diff --git a/stdlib/2.7/StringIO.pyi b/stdlib/2.7/StringIO.pyi
index 3c90129bd..17fe7a10b 100644
--- a/stdlib/2.7/StringIO.pyi
+++ b/stdlib/2.7/StringIO.pyi
@@ -6,6 +6,7 @@ class StringIO(IO[AnyStr], Generic[AnyStr]):
     closed = ... # type: bool
     softspace = ... # type: int
     len = ... # type: int
+    name = ... # type: str
     def __init__(self, buf: AnyStr = ...) -> None: ...
     def __iter__(self) -> Iterator[AnyStr]: ...
     def next(self) -> AnyStr: ...
diff --git a/stdlib/2.7/io.pyi b/stdlib/2.7/io.pyi
index 376346333..add0bfbda 100644
--- a/stdlib/2.7/io.pyi
+++ b/stdlib/2.7/io.pyi
@@ -49,6 +49,7 @@ class StringIO(TextIO):
     def __init__(self, initial_value: unicode = ...,
                  newline: unicode = ...) -> None: ...
     # TODO see comments in BinaryIO for missing functionality
+    name = ... # type: str
     def close(self) -> None: ...
     def closed(self) -> bool: ...
     def fileno(self) -> int: ...
diff --git a/stdlib/3/io.pyi b/stdlib/3/io.pyi
index de2c7a46e..b9c9833d7 100644
--- a/stdlib/3/io.pyi
+++ b/stdlib/3/io.pyi
@@ -246,6 +246,7 @@ class TextIOWrapper(TextIO):
 class StringIO(TextIOWrapper):
     def __init__(self, initial_value: str = ...,
                  newline: Optional[str] = ...) -> None: ...
+    name = ... # type: str
     def getvalue(self) -> str: ...
 
 class IncrementalNewlineDecoder(codecs.IncrementalDecoder): ...