diff --git a/Octokit.Tests.Integration/CommitsClientTests.cs b/Octokit.Tests.Integration/CommitsClientTests.cs
index 5e8c3ea8..9e89a608 100644
--- a/Octokit.Tests.Integration/CommitsClientTests.cs
+++ b/Octokit.Tests.Integration/CommitsClientTests.cs
@@ -29,8 +29,8 @@ namespace Octokit.Tests.Integration
         {
             string owner = this._repository.Owner.Login;
 
-            var author = new UserAction { Name = "author", Email = "test-author@example.com", Date = DateTime.UtcNow };
-            var commiter = new UserAction { Name = "commiter", Email = "test-commiter@example.com", Date = DateTime.Today };
+            var author = new Signature { Name = "author", Email = "test-author@example.com", Date = DateTime.UtcNow };
+            var commiter = new Signature { Name = "commiter", Email = "test-commiter@example.com", Date = DateTime.Today };
 
             var newCommit = new NewCommit("test-commit", "[Change this to tree sha]", Enumerable.Empty<string>())
             {
diff --git a/Octokit.Tests/Clients/TagsClientTests.cs b/Octokit.Tests/Clients/TagsClientTests.cs
index 2c6c3cff..bd6ec212 100644
--- a/Octokit.Tests/Clients/TagsClientTests.cs
+++ b/Octokit.Tests/Clients/TagsClientTests.cs
@@ -83,7 +83,7 @@ public class TagsClientTests
                 Tag = "tag-name",
                 Object = "tag-object",
                 Type = TaggedType.Tree,
-                Tagger = new UserAction
+                Tagger = new Signature
                 {
                     Name = "tagger-name",
                     Email = "tagger-email",
diff --git a/Octokit.Tests/Models/CommitTests.cs b/Octokit.Tests/Models/CommitTests.cs
index 48309389..5feb2cc9 100644
--- a/Octokit.Tests/Models/CommitTests.cs
+++ b/Octokit.Tests/Models/CommitTests.cs
@@ -14,14 +14,14 @@ public class CommitTests
             var parent1 = new GitReference { Sha = "parent1-reference", Url = "parent1-url" };
             var parent2 = new GitReference { Sha = "parent2-reference", Url = "parent2-url" };
 
-            var author = new UserAction
+            var author = new Signature
             {
                 Name = "author-name", 
                 Email = "author-email", 
                 Date = new DateTime(2013, 10, 15, 13, 40, 14, DateTimeKind.Utc)
             };
             
-            var committer = new UserAction { 
+            var committer = new Signature { 
                 Name = "committer-name", 
                 Email = "committer-email",
                 Date = new DateTime(2013, 06, 29, 10, 12, 50, DateTimeKind.Utc)
diff --git a/Octokit.Tests/SimpleJsonSerializerTests.cs b/Octokit.Tests/SimpleJsonSerializerTests.cs
index e8aa392d..0a69254c 100644
--- a/Octokit.Tests/SimpleJsonSerializerTests.cs
+++ b/Octokit.Tests/SimpleJsonSerializerTests.cs
@@ -79,6 +79,18 @@ namespace Octokit.Tests
                 Assert.True(sample.IsSomething);
                 Assert.True(sample.Private);
             }
+
+            [Fact]
+            public void DeserializesInheritedProperties()
+            {
+                const string json = "{\"sha\":\"commit-sha\",\"url\":\"commit-url\",\"message\":\"commit-message\"}";
+
+                var result = new SimpleJsonSerializer().Deserialize<Commit>(json);
+
+                Assert.Equal("commit-sha", result.Sha);
+                Assert.Equal("commit-url", result.Url);
+                Assert.Equal("commit-message", result.Message);
+            }
         }
 
         public class Sample
diff --git a/Octokit/Models/Request/NewCommit.cs b/Octokit/Models/Request/NewCommit.cs
index 8d7ffbdf..86bc74db 100644
--- a/Octokit/Models/Request/NewCommit.cs
+++ b/Octokit/Models/Request/NewCommit.cs
@@ -15,7 +15,7 @@ namespace Octokit
         public string Tree { get; set; }
         public IEnumerable<string> Parents { get; set; }
 
-        public UserAction Author { get; set; }
-        public UserAction Committer { get; set; }
+        public Signature Author { get; set; }
+        public Signature Committer { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Octokit/Models/Request/NewTag.cs b/Octokit/Models/Request/NewTag.cs
index 519372d6..a9e42cb4 100644
--- a/Octokit/Models/Request/NewTag.cs
+++ b/Octokit/Models/Request/NewTag.cs
@@ -10,6 +10,6 @@ namespace Octokit
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1721:PropertyNamesShouldNotMatchGetMethods", 
             Justification = "Property name as defined by web api")]
         public TaggedType Type { get; set; }
-        public UserAction Tagger { get; set; }        
+        public Signature Tagger { get; set; }        
     }
 }
\ No newline at end of file
diff --git a/Octokit/Models/Response/Commit.cs b/Octokit/Models/Response/Commit.cs
index bcaacf44..76b1e0d2 100644
--- a/Octokit/Models/Response/Commit.cs
+++ b/Octokit/Models/Response/Commit.cs
@@ -5,8 +5,8 @@ namespace Octokit
     public class Commit : GitReference
     {
         public string Message { get; set; }
-        public UserAction Author { get; set; }
-        public UserAction Committer { get; set; }
+        public Signature Author { get; set; }
+        public Signature Committer { get; set; }
         public GitReference Tree { get; set; }
         public IEnumerable<GitReference> Parents { get; set; }
     }
diff --git a/Octokit/Models/Response/GitTag.cs b/Octokit/Models/Response/GitTag.cs
index 6fb70c10..04f85e11 100644
--- a/Octokit/Models/Response/GitTag.cs
+++ b/Octokit/Models/Response/GitTag.cs
@@ -4,7 +4,7 @@
     {
         public string Tag { get; set; }
         public string Message { get; set; }
-        public UserAction Tagger { get; set; }
+        public Signature Tagger { get; set; }
         public TagObject Object { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Octokit/Models/Response/Tagger.cs b/Octokit/Models/Response/Signature.cs
similarity index 86%
rename from Octokit/Models/Response/Tagger.cs
rename to Octokit/Models/Response/Signature.cs
index a009300b..cb71b996 100644
--- a/Octokit/Models/Response/Tagger.cs
+++ b/Octokit/Models/Response/Signature.cs
@@ -2,7 +2,7 @@
 
 namespace Octokit
 {
-    public class UserAction
+    public class Signature
     {
         public string Name { get; set; }
         public string Email { get; set; }
diff --git a/Octokit/Octokit-Mono.csproj b/Octokit/Octokit-Mono.csproj
index 60c33eb8..5473ddd6 100644
--- a/Octokit/Octokit-Mono.csproj
+++ b/Octokit/Octokit-Mono.csproj
@@ -92,7 +92,7 @@
     <Compile Include="Models\Response\PullRequest.cs" />
     <Compile Include="Models\Request\RepositoryIssueRequest.cs" />
     <Compile Include="Models\Request\MilestoneRequest.cs" />
-    <Compile Include="Models\Response\Tagger.cs" />
+    <Compile Include="Models\Response\Signature.cs" />
     <Compile Include="Models\Response\TagObject.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Exceptions\TwoFactorChallengeFailedException.cs" />
diff --git a/Octokit/Octokit-MonoAndroid.csproj b/Octokit/Octokit-MonoAndroid.csproj
index e55f0681..556fe0dd 100644
--- a/Octokit/Octokit-MonoAndroid.csproj
+++ b/Octokit/Octokit-MonoAndroid.csproj
@@ -103,7 +103,6 @@
     <Compile Include="Models\Response\PullRequest.cs" />
     <Compile Include="Models\Request\RepositoryIssueRequest.cs" />
     <Compile Include="Models\Request\MilestoneRequest.cs" />
-    <Compile Include="Models\Response\Tagger.cs" />
     <Compile Include="Models\Response\TagObject.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Exceptions\TwoFactorChallengeFailedException.cs" />
@@ -196,6 +195,7 @@
     <Compile Include="Models\Response\ReleaseAssetUpload.cs" />
     <Compile Include="Models\Request\ReleaseUpdate.cs" />
     <Compile Include="Models\Response\Repository.cs" />
+    <Compile Include="Models\Response\Signature.cs" />
     <Compile Include="Models\Response\SshKey.cs" />
     <Compile Include="Models\Response\SshKeyInfo.cs" />
     <Compile Include="Models\Request\SshKeyUpdate.cs" />
diff --git a/Octokit/Octokit-Monotouch.csproj b/Octokit/Octokit-Monotouch.csproj
index f2c78eb8..43a8e561 100644
--- a/Octokit/Octokit-Monotouch.csproj
+++ b/Octokit/Octokit-Monotouch.csproj
@@ -98,7 +98,6 @@
     <Compile Include="Models\Response\PullRequest.cs" />
     <Compile Include="Models\Request\RepositoryIssueRequest.cs" />
     <Compile Include="Models\Request\MilestoneRequest.cs" />
-    <Compile Include="Models\Response\Tagger.cs" />
     <Compile Include="Models\Response\TagObject.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Exceptions\TwoFactorChallengeFailedException.cs" />
@@ -191,6 +190,7 @@
     <Compile Include="Models\Response\ReleaseAssetUpload.cs" />
     <Compile Include="Models\Request\ReleaseUpdate.cs" />
     <Compile Include="Models\Response\Repository.cs" />
+    <Compile Include="Models\Response\Signature.cs" />
     <Compile Include="Models\Response\SshKey.cs" />
     <Compile Include="Models\Response\SshKeyInfo.cs" />
     <Compile Include="Models\Request\SshKeyUpdate.cs" />
diff --git a/Octokit/Octokit-netcore45.csproj b/Octokit/Octokit-netcore45.csproj
index 3d374758..24a83d44 100644
--- a/Octokit/Octokit-netcore45.csproj
+++ b/Octokit/Octokit-netcore45.csproj
@@ -185,9 +185,9 @@
     <Compile Include="Models\Response\ReleaseAsset.cs" />
     <Compile Include="Models\Response\ReleaseAssetUpload.cs" />
     <Compile Include="Models\Response\Repository.cs" />
+    <Compile Include="Models\Response\Signature.cs" />
     <Compile Include="Models\Response\SshKey.cs" />
     <Compile Include="Models\Response\SshKeyInfo.cs" />
-    <Compile Include="Models\Response\Tagger.cs" />
     <Compile Include="Models\Response\TagObject.cs" />
     <Compile Include="Models\Response\User.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
diff --git a/Octokit/Octokit.csproj b/Octokit/Octokit.csproj
index c08c0c54..da8d975e 100644
--- a/Octokit/Octokit.csproj
+++ b/Octokit/Octokit.csproj
@@ -104,7 +104,7 @@
     <Compile Include="Models\Request\RepositoryIssueRequest.cs" />
     <Compile Include="Models\Request\MilestoneRequest.cs" />
     <Compile Include="Models\Response\GitTag.cs" />
-    <Compile Include="Models\Response\Tagger.cs" />
+    <Compile Include="Models\Response\Signature.cs" />
     <Compile Include="Models\Response\TagObject.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Exceptions\TwoFactorChallengeFailedException.cs" />
diff --git a/Octokit/SimpleJson.cs b/Octokit/SimpleJson.cs
index fdb57d48..7588a721 100644
--- a/Octokit/SimpleJson.cs
+++ b/Octokit/SimpleJson.cs
@@ -1723,12 +1723,41 @@ namespace Octokit
             public static IEnumerable<PropertyInfo> GetProperties(Type type)
             {
 #if SIMPLE_JSON_TYPEINFO
-                return type.GetTypeInfo().DeclaredProperties;
+                var typeInfo = type.GetTypeInfo();
+                var properties = typeInfo.DeclaredProperties;
+                if(typeInfo.BaseType == null)
+                {
+                    return properties;
+                }
+
+                var result = new List<PropertyInfo>();
+                foreach (var property in properties)
+                {
+                    result.Add(property);
+                }
+
+                var baseProperties = GetProperties(typeInfo.BaseType);
+                foreach (var property in baseProperties)
+                {
+                    result.Add(property);
+                }
+
+                return result;
 #else
                 return type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
 #endif
             }
 
+            public static IList<PropertyInfo> Build(IEnumerable<PropertyInfo> properties)
+            {
+                var propertyList = new List<PropertyInfo>();
+                foreach (var property in properties)
+                {
+                    propertyList.Add(property);
+                }
+                return propertyList;
+            } 
+
             public static IEnumerable<FieldInfo> GetFields(Type type)
             {
 #if SIMPLE_JSON_TYPEINFO