diff --git a/protos/google/protobuf/csharp_options.proto b/protos/google/protobuf/csharp_options.proto
index 29c7e8ad..41deafa3 100644
--- a/protos/google/protobuf/csharp_options.proto
+++ b/protos/google/protobuf/csharp_options.proto
@@ -22,9 +22,8 @@ extend FieldOptions {
 
 message CSharpFieldOptions {
   // Provides the ability to override the name of the property
-  // generated for this field. This does not currently work with
-  // messages optimised for reflection, and is only applied to the
-  // actual property rather than associated methods. (Careful
-  // consideration needed here...)
+  // generated for this field. This is applied to all properties
+  // and methods to do with this field, including HasFoo, FooCount,
+  // FooList etc.
   optional string property_name = 1;
 }
diff --git a/src/ProtoGen/EnumFieldGenerator.cs b/src/ProtoGen/EnumFieldGenerator.cs
index 4a628d97..14c96dac 100644
--- a/src/ProtoGen/EnumFieldGenerator.cs
+++ b/src/ProtoGen/EnumFieldGenerator.cs
@@ -10,10 +10,10 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateMembers(TextGenerator writer) {
-      writer.WriteLine("private bool has{0};", CapitalizedName);
+      writer.WriteLine("private bool has{0};", PropertyName);
       writer.WriteLine("private {0} {1}_ = {2};", TypeName, Name, DefaultValue);
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return {0}_; }}", Name);
@@ -21,27 +21,27 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateBuilderMembers(TextGenerator writer) {
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine(" get {{ return result.Has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine(" get {{ return result.Has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}; }}", PropertyName);
-      writer.WriteLine("  set {{ Set{0}(value); }}", CapitalizedName);
+      writer.WriteLine("  set {{ Set{0}(value); }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}({1} value) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("public Builder Set{0}({1} value) {{", PropertyName, TypeName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  result.{0}_ = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
-      writer.WriteLine("  result.has{0} = false;", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
+      writer.WriteLine("  result.has{0} = false;", PropertyName);
       writer.WriteLine("  result.{0}_ = {1};", Name, DefaultValue);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
     }
 
     public void GenerateMergingCode(TextGenerator writer) {
-      writer.WriteLine("if (other.Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (other.Has{0}) {{", PropertyName);
       writer.WriteLine("  {0} = other.{0};", PropertyName);
       writer.WriteLine("}");
     }
@@ -61,13 +61,13 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  output.WriteEnum({0}, (int) {1});", Number, PropertyName);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.ComputeEnumSize({0}, (int) {1});", Number, PropertyName);
       writer.WriteLine("}");    
     }
diff --git a/src/ProtoGen/FieldGeneratorBase.cs b/src/ProtoGen/FieldGeneratorBase.cs
index d20745a4..f59da644 100644
--- a/src/ProtoGen/FieldGeneratorBase.cs
+++ b/src/ProtoGen/FieldGeneratorBase.cs
@@ -79,10 +79,6 @@ namespace Google.ProtocolBuffers.ProtoGen {
       }
     }
 
-    protected string CapitalizedName {
-      get { return NameHelpers.UnderscoresToPascalCase(GetFieldName(Descriptor)); }
-    }
-
     protected string Name {
       get { return NameHelpers.UnderscoresToCamelCase(GetFieldName(Descriptor)); }
     }
diff --git a/src/ProtoGen/MessageFieldGenerator.cs b/src/ProtoGen/MessageFieldGenerator.cs
index e90c953b..7b5b66e8 100644
--- a/src/ProtoGen/MessageFieldGenerator.cs
+++ b/src/ProtoGen/MessageFieldGenerator.cs
@@ -8,54 +8,54 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateMembers(TextGenerator writer) {
-      writer.WriteLine("private bool has{0};", CapitalizedName);
+      writer.WriteLine("private bool has{0};", PropertyName);
       writer.WriteLine("private {0} {1}_ = {2};", TypeName, Name, DefaultValue);
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return has{0}; }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public {0} {1} {{", TypeName, CapitalizedName);
+      writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return {0}_; }}", Name);
       writer.WriteLine("}");
     }
     
     public void GenerateBuilderMembers(TextGenerator writer) {
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine(" get {{ return result.Has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine(" get {{ return result.Has{0}; }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public {0} {1} {{", TypeName, CapitalizedName);
-      writer.WriteLine("  get {{ return result.{0}; }}", CapitalizedName);
-      writer.WriteLine("  set {{ Set{0}(value); }}", CapitalizedName);
+      writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
+      writer.WriteLine("  get {{ return result.{0}; }}", PropertyName);
+      writer.WriteLine("  set {{ Set{0}(value); }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}({1} value) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("public Builder Set{0}({1} value) {{", PropertyName, TypeName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  result.{0}_ = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}({1}.Builder builderForValue) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("public Builder Set{0}({1}.Builder builderForValue) {{", PropertyName, TypeName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  result.{0}_ = builderForValue.Build();", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Merge{0}({1} value) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  if (result.Has{0} &&", CapitalizedName);
+      writer.WriteLine("public Builder Merge{0}({1} value) {{", PropertyName, TypeName);
+      writer.WriteLine("  if (result.Has{0} &&", PropertyName);
       writer.WriteLine("      result.{0}_ != {1}) {{", Name, DefaultValue);
       writer.WriteLine("      result.{0}_ = {1}.CreateBuilder(result.{0}_).MergeFrom(value).BuildPartial();", Name, TypeName);
       writer.WriteLine("  } else {");
       writer.WriteLine("    result.{0}_ = value;", Name);
       writer.WriteLine("  }");
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
-      writer.WriteLine("  result.has{0} = false;", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
+      writer.WriteLine("  result.has{0} = false;", PropertyName);
       writer.WriteLine("  result.{0}_ = {1};", Name, DefaultValue);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
     }
 
     public void GenerateMergingCode(TextGenerator writer) {
-      writer.WriteLine("if (other.Has{0}) {{", CapitalizedName);
-      writer.WriteLine("  Merge{0}(other.{0});", CapitalizedName);
+      writer.WriteLine("if (other.Has{0}) {{", PropertyName);
+      writer.WriteLine("  Merge{0}(other.{0});", PropertyName);
       writer.WriteLine("}");
     }
 
@@ -65,27 +65,27 @@ namespace Google.ProtocolBuffers.ProtoGen {
 
     public void GenerateParsingCode(TextGenerator writer) {
       writer.WriteLine("{0}.Builder subBuilder = {0}.CreateBuilder();", TypeName);
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
-      writer.WriteLine("  subBuilder.MergeFrom({0});", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
+      writer.WriteLine("  subBuilder.MergeFrom({0});", PropertyName);
       writer.WriteLine("}");
       if (Descriptor.FieldType == FieldType.Group) {
         writer.WriteLine("input.ReadGroup({0}, subBuilder, extensionRegistry);", Number);
       } else {
         writer.WriteLine("input.ReadMessage(subBuilder, extensionRegistry);");
       }
-      writer.WriteLine("{0} = subBuilder.BuildPartial();", CapitalizedName);
+      writer.WriteLine("{0} = subBuilder.BuildPartial();", PropertyName);
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
-      writer.WriteLine("  output.Write{0}({1}, {2});", MessageOrGroup, Number, CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
+      writer.WriteLine("  output.Write{0}({1}, {2});", MessageOrGroup, Number, PropertyName);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.Compute{0}Size({1}, {2});",
-          MessageOrGroup, Number, CapitalizedName);
+          MessageOrGroup, Number, PropertyName);
       writer.WriteLine("}");
     }
   }
diff --git a/src/ProtoGen/MessageGenerator.cs b/src/ProtoGen/MessageGenerator.cs
index f877ac6d..1e10ce6c 100644
--- a/src/ProtoGen/MessageGenerator.cs
+++ b/src/ProtoGen/MessageGenerator.cs
@@ -51,7 +51,7 @@ namespace Google.ProtocolBuffers.ProtoGen {
           FullClassName, identifier);
       writer.Print("        new string[] { ");
       foreach (FieldDescriptor field in Descriptor.Fields) {
-        writer.Write("\"{0}\", ", NameHelpers.UnderscoresToPascalCase(GetFieldName(field)));
+        writer.Write("\"{0}\", ", field.CSharpOptions.PropertyName);
       }
       writer.WriteLine("});");
 
@@ -415,7 +415,7 @@ namespace Google.ProtocolBuffers.ProtoGen {
       // "has" fields into a single bitfield.
       foreach (FieldDescriptor field in Descriptor.Fields) {
         if (field.IsRequired) {
-          writer.WriteLine("if (!has{0}) return false;", NameHelpers.UnderscoresToPascalCase(field.Name));
+          writer.WriteLine("if (!has{0}) return false;", field.CSharpOptions.PropertyName);
         }
       }
   
diff --git a/src/ProtoGen/PrimitiveFieldGenerator.cs b/src/ProtoGen/PrimitiveFieldGenerator.cs
index 8292297d..dc733c0b 100644
--- a/src/ProtoGen/PrimitiveFieldGenerator.cs
+++ b/src/ProtoGen/PrimitiveFieldGenerator.cs
@@ -10,10 +10,10 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateMembers(TextGenerator writer) {
-      writer.WriteLine("private bool has{0};", CapitalizedName);
+      writer.WriteLine("private bool has{0};", PropertyName);
       writer.WriteLine("private {0} {1}_ = {2};", TypeName, Name, DefaultValue);
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return {0}_; }}", Name);
@@ -21,27 +21,27 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateBuilderMembers(TextGenerator writer) {
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return result.Has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return result.Has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}; }}", PropertyName);
-      writer.WriteLine("  set {{ Set{0}(value); }}", CapitalizedName);
+      writer.WriteLine("  set {{ Set{0}(value); }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}({1} value) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("public Builder Set{0}({1} value) {{", PropertyName, TypeName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  result.{0}_ = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
-      writer.WriteLine("  result.has{0} = false;", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
+      writer.WriteLine("  result.has{0} = false;", PropertyName);
       writer.WriteLine("  result.{0}_ = {1};", Name, DefaultValue);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
     }
 
     public void GenerateMergingCode(TextGenerator writer) {
-      writer.WriteLine("if (other.Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (other.Has{0}) {{", PropertyName);
       writer.WriteLine("  {0} = other.{0};", PropertyName);
       writer.WriteLine("}");
     }
@@ -55,13 +55,13 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  output.Write{0}({1}, {2});", CapitalizedTypeName, Number, PropertyName);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.Compute{0}Size({1}, {2});",
           CapitalizedTypeName, Number, PropertyName);
       writer.WriteLine("}");
diff --git a/src/ProtoGen/RepeatedEnumFieldGenerator.cs b/src/ProtoGen/RepeatedEnumFieldGenerator.cs
index efc6466f..58d0141c 100644
--- a/src/ProtoGen/RepeatedEnumFieldGenerator.cs
+++ b/src/ProtoGen/RepeatedEnumFieldGenerator.cs
@@ -12,44 +12,44 @@ namespace Google.ProtocolBuffers.ProtoGen {
 
     public void GenerateMembers(TextGenerator writer) {
       writer.WriteLine("private pbc::PopsicleList<{0}> {1}_ = new pbc::PopsicleList<{0}>();", TypeName, Name);
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return pbc::Lists.AsReadOnly({0}_); }}", Name);
       writer.WriteLine("}");
 
       // TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
       writer.WriteLine("  get {{ return {0}_.Count; }}", Name);
       writer.WriteLine("}");
 
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
       writer.WriteLine("  return {0}_[index];", Name);
       writer.WriteLine("}");
     }
 
     public void GenerateBuilderMembers(TextGenerator writer) {
       // Note:  We can return the original list here, because we make it unmodifiable when we build
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}_; }}", Name);
       writer.WriteLine("}");
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
-      writer.WriteLine("  get {{ return result.{0}Count; }}", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
+      writer.WriteLine("  get {{ return result.{0}Count; }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
-      writer.WriteLine("  return result.Get{0}(index);", CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
+      writer.WriteLine("  return result.Get{0}(index);", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_[index] = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Add{0}({1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Add{0}({1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_.Add(value);", Name, TypeName);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", PropertyName, TypeName);
       writer.WriteLine("  base.AddRange(values, result.{0}_);", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
       writer.WriteLine("  result.{0}_.Clear();", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
@@ -71,18 +71,18 @@ namespace Google.ProtocolBuffers.ProtoGen {
       writer.WriteLine("if (!global::System.Enum.IsDefined(typeof({0}), rawValue)) {{", TypeName);
       writer.WriteLine("  unknownFields.MergeVarintField({0}, (ulong) rawValue);", Number);
       writer.WriteLine("} else {");
-      writer.WriteLine("  Add{0}(({1}) rawValue);", CapitalizedName, TypeName);
+      writer.WriteLine("  Add{0}(({1}) rawValue);", PropertyName, TypeName);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  output.WriteEnum({0}, (int) element);", Number);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.ComputeEnumSize({0}, (int) element);", Number);
       writer.WriteLine("}");
     }
diff --git a/src/ProtoGen/RepeatedMessageFieldGenerator.cs b/src/ProtoGen/RepeatedMessageFieldGenerator.cs
index ba110796..c7741ae5 100644
--- a/src/ProtoGen/RepeatedMessageFieldGenerator.cs
+++ b/src/ProtoGen/RepeatedMessageFieldGenerator.cs
@@ -12,54 +12,54 @@ namespace Google.ProtocolBuffers.ProtoGen {
     
     public void GenerateMembers(TextGenerator writer) {
       writer.WriteLine("private pbc::PopsicleList<{0}> {1}_ = new pbc::PopsicleList<{0}>();", TypeName, Name);
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return {0}_; }}", Name);
       writer.WriteLine("}");
 
       // TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
       writer.WriteLine("  get {{ return {0}_.Count; }}", Name);
       writer.WriteLine("}");
 
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
       writer.WriteLine("  return {0}_[index];", Name);
       writer.WriteLine("}");
     }    
 
     public void GenerateBuilderMembers(TextGenerator writer) {
       // Note:  We can return the original list here, because we make it unmodifiable when we build
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}_; }}", Name);
       writer.WriteLine("}");
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
-      writer.WriteLine("  get {{ return result.{0}Count; }}", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
+      writer.WriteLine("  get {{ return result.{0}Count; }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
-      writer.WriteLine("  return result.Get{0}(index);", CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
+      writer.WriteLine("  return result.Get{0}(index);", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_[index] = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
       // Extra overload for builder (just on messages)
-      writer.WriteLine("public Builder Set{0}(int index, {1}.Builder builderForValue) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Set{0}(int index, {1}.Builder builderForValue) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_[index] = builderForValue.Build();", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Add{0}({1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Add{0}({1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_.Add(value);", Name, TypeName);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
       // Extra overload for builder (just on messages)
-      writer.WriteLine("public Builder Add{0}({1}.Builder builderForValue) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Add{0}({1}.Builder builderForValue) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_.Add(builderForValue.Build());", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", PropertyName, TypeName);
       writer.WriteLine("  base.AddRange(values, result.{0}_);", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
       writer.WriteLine("  result.{0}_.Clear();", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
@@ -82,17 +82,17 @@ namespace Google.ProtocolBuffers.ProtoGen {
       } else {
         writer.WriteLine("input.ReadMessage(subBuilder, extensionRegistry);");
       }
-      writer.WriteLine("Add{0}(subBuilder.BuildPartial());", CapitalizedName);
+      writer.WriteLine("Add{0}(subBuilder.BuildPartial());", PropertyName);
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  output.Write{0}({1}, element);", MessageOrGroup, Number);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.Compute{0}Size({1}, element);", MessageOrGroup, Number);
       writer.WriteLine("}");
     }
diff --git a/src/ProtoGen/RepeatedPrimitiveFieldGenerator.cs b/src/ProtoGen/RepeatedPrimitiveFieldGenerator.cs
index 62e0ebbc..4e079dc3 100644
--- a/src/ProtoGen/RepeatedPrimitiveFieldGenerator.cs
+++ b/src/ProtoGen/RepeatedPrimitiveFieldGenerator.cs
@@ -12,44 +12,44 @@ namespace Google.ProtocolBuffers.ProtoGen {
 
     public void GenerateMembers(TextGenerator writer) {
       writer.WriteLine("private pbc::PopsicleList<{0}> {1}_ = new pbc::PopsicleList<{0}>();", TypeName, Name);
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return pbc::Lists.AsReadOnly({0}_); }}", Name);
       writer.WriteLine("}");
 
       // TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
       writer.WriteLine("  get {{ return {0}_.Count; }}", Name);
       writer.WriteLine("}");
 
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
       writer.WriteLine("  return {0}_[index];", Name);
       writer.WriteLine("}");
     }
 
     public void GenerateBuilderMembers(TextGenerator writer) {
       // Note:  We can return the original list here, because we make it unmodifiable when we build
-      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, CapitalizedName);
+      writer.WriteLine("public scg::IList<{0}> {1}List {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}_; }}", Name);
       writer.WriteLine("}");
-      writer.WriteLine("public int {0}Count {{", CapitalizedName);
-      writer.WriteLine("  get {{ return result.{0}Count; }}", CapitalizedName);
+      writer.WriteLine("public int {0}Count {{", PropertyName);
+      writer.WriteLine("  get {{ return result.{0}Count; }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, CapitalizedName);
-      writer.WriteLine("  return result.Get{0}(index);", CapitalizedName);
+      writer.WriteLine("public {0} Get{1}(int index) {{", TypeName, PropertyName);
+      writer.WriteLine("  return result.Get{0}(index);", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Set{0}(int index, {1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_[index] = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Add{0}({1} value) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder Add{0}({1} value) {{", PropertyName, TypeName);
       writer.WriteLine("  result.{0}_.Add(value);", Name, TypeName);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", CapitalizedName, TypeName);
+      writer.WriteLine("public Builder AddRange{0}(scg::IEnumerable<{1}> values) {{", PropertyName, TypeName);
       writer.WriteLine("  base.AddRange(values, result.{0}_);", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
       writer.WriteLine("  result.{0}_.Clear();", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
@@ -66,17 +66,17 @@ namespace Google.ProtocolBuffers.ProtoGen {
     }
 
     public void GenerateParsingCode(TextGenerator writer) {
-      writer.WriteLine("Add{0}(input.Read{1}());", CapitalizedName, CapitalizedTypeName);
+      writer.WriteLine("Add{0}(input.Read{1}());", PropertyName, CapitalizedTypeName);
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  output.Write{0}({1}, element);", CapitalizedTypeName, Number);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, CapitalizedName);
+      writer.WriteLine("foreach ({0} element in {1}List) {{", TypeName, PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.Compute{0}Size({1}, element);", CapitalizedTypeName, Number);
       writer.WriteLine("}");
     }
diff --git a/src/ProtocolBuffers/DescriptorProtos/DescriptorProtoFile.cs b/src/ProtocolBuffers/DescriptorProtos/DescriptorProtoFile.cs
index 4e3c6572..dcd10b8e 100644
--- a/src/ProtocolBuffers/DescriptorProtos/DescriptorProtoFile.cs
+++ b/src/ProtocolBuffers/DescriptorProtos/DescriptorProtoFile.cs
@@ -185,7 +185,7 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
         = internal__static_google_protobuf_UninterpretedOption__Descriptor.NestedTypes[0];
     internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.DescriptorProtos.UninterpretedOption.Types.NamePart, global::Google.ProtocolBuffers.DescriptorProtos.UninterpretedOption.Types.NamePart.Builder> internal__static_google_protobuf_UninterpretedOption_NamePart__FieldAccessorTable
         = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.DescriptorProtos.UninterpretedOption.Types.NamePart, global::Google.ProtocolBuffers.DescriptorProtos.UninterpretedOption.Types.NamePart.Builder>(internal__static_google_protobuf_UninterpretedOption_NamePart__Descriptor,
-            new string[] { "NamePart", "IsExtension", });
+            new string[] { "NamePart_", "IsExtension", });
     #endregion
   }
   #region Messages
@@ -5517,10 +5517,10 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
           get { return global::Google.ProtocolBuffers.DescriptorProtos.DescriptorProtoFile.internal__static_google_protobuf_UninterpretedOption_NamePart__FieldAccessorTable; }
         }
         
-        private bool hasNamePart;
+        private bool hasNamePart_;
         private string namePart_ = "";
-        public bool HasNamePart {
-          get { return hasNamePart; }
+        public bool HasNamePart_ {
+          get { return hasNamePart_; }
         }
         public string NamePart_ {
           get { return namePart_; }
@@ -5537,14 +5537,14 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
         
         public override bool IsInitialized {
           get {
-            if (!hasNamePart) return false;
+            if (!hasNamePart_) return false;
             if (!hasIsExtension) return false;
             return true;
           }
         }
         
         public override void WriteTo(pb::CodedOutputStream output) {
-          if (HasNamePart) {
+          if (HasNamePart_) {
             output.WriteString(1, NamePart_);
           }
           if (HasIsExtension) {
@@ -5560,7 +5560,7 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
             if (size != -1) return size;
             
             size = 0;
-            if (HasNamePart) {
+            if (HasNamePart_) {
               size += pb::CodedOutputStream.ComputeStringSize(1, NamePart_);
             }
             if (HasIsExtension) {
@@ -5648,7 +5648,7 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
           
           public override Builder MergeFrom(NamePart other) {
             if (other == NamePart.DefaultInstance) return this;
-            if (other.HasNamePart) {
+            if (other.HasNamePart_) {
               NamePart_ = other.NamePart_;
             }
             if (other.HasIsExtension) {
@@ -5691,20 +5691,20 @@ namespace Google.ProtocolBuffers.DescriptorProtos {
           }
           
           
-          public bool HasNamePart {
-            get { return result.HasNamePart; }
+          public bool HasNamePart_ {
+            get { return result.HasNamePart_; }
           }
           public string NamePart_ {
             get { return result.NamePart_; }
-            set { SetNamePart(value); }
+            set { SetNamePart_(value); }
           }
-          public Builder SetNamePart(string value) {
-            result.hasNamePart = true;
+          public Builder SetNamePart_(string value) {
+            result.hasNamePart_ = true;
             result.namePart_ = value;
             return this;
           }
-          public Builder ClearNamePart() {
-            result.hasNamePart = false;
+          public Builder ClearNamePart_() {
+            result.hasNamePart_ = false;
             result.namePart_ = "";
             return this;
           }
diff --git a/src/ProtocolBuffers/FieldAccess/FieldAccessorTable.cs b/src/ProtocolBuffers/FieldAccess/FieldAccessorTable.cs
index 37405e60..3de0ff79 100644
--- a/src/ProtocolBuffers/FieldAccess/FieldAccessorTable.cs
+++ b/src/ProtocolBuffers/FieldAccess/FieldAccessorTable.cs
@@ -54,6 +54,11 @@ namespace Google.ProtocolBuffers.FieldAccess {
    /// <summary>
     /// Constructs a FieldAccessorTable for a particular message class.
     /// Only one FieldAccessorTable should be constructed per class.
+    /// The property names should all actually correspond with the field descriptor's
+    /// CSharpOptions.PropertyName property, but bootstrapping issues currently
+    /// prevent us from using that. This may be addressed at a future time, in which case
+    /// we can keep this constructor for backwards compatibility, just ignoring the parameter.
+    /// TODO(jonskeet): Make it so.
     /// </summary>
     /// <param name="descriptor">The type's descriptor</param>
     /// <param name="propertyNames">The Pascal-case names of all the field-based properties in the message.</param>
diff --git a/src/ProtocolBuffers/FieldAccess/SinglePrimitiveAccessor.cs b/src/ProtocolBuffers/FieldAccess/SinglePrimitiveAccessor.cs
index 369a33d3..8b3153a1 100644
--- a/src/ProtocolBuffers/FieldAccess/SinglePrimitiveAccessor.cs
+++ b/src/ProtocolBuffers/FieldAccess/SinglePrimitiveAccessor.cs
@@ -55,11 +55,9 @@ namespace Google.ProtocolBuffers.FieldAccess {
     }
 
     internal SinglePrimitiveAccessor(string name) {
-
-      string propertyName = name == typeof(TMessage).Name ? name + "_" : name;
-      PropertyInfo messageProperty = typeof(TMessage).GetProperty(propertyName);
-      PropertyInfo builderProperty = typeof(TBuilder).GetProperty(name); // FIXME!
-      if (builderProperty == null) builderProperty = typeof(TBuilder).GetProperty(propertyName); // FIXME!
+      PropertyInfo messageProperty = typeof(TMessage).GetProperty(name);
+      PropertyInfo builderProperty = typeof(TBuilder).GetProperty(name);
+      if (builderProperty == null) builderProperty = typeof(TBuilder).GetProperty(name);
       PropertyInfo hasProperty = typeof(TMessage).GetProperty("Has" + name);
       MethodInfo clearMethod = typeof(TBuilder).GetMethod("Clear" + name, Type.EmptyTypes);
       if (messageProperty == null || builderProperty == null || hasProperty == null || clearMethod == null) {