diff --git a/sdks/python/apache_beam/io/gcp/bigquery.py b/sdks/python/apache_beam/io/gcp/bigquery.py
index d3dae0f..0deed87 100644
--- a/sdks/python/apache_beam/io/gcp/bigquery.py
+++ b/sdks/python/apache_beam/io/gcp/bigquery.py
@@ -2084,5 +2084,5 @@
 
     return (
         sources_to_read
-        | SDFBoundedSourceReader()
+        | SDFBoundedSourceReader(data_to_display=self.display_data())
         | _PassThroughThenCleanup(beam.pvalue.AsIter(cleanup_locations)))
diff --git a/sdks/python/apache_beam/pipeline_test.py b/sdks/python/apache_beam/pipeline_test.py
index 285825c..119be47 100644
--- a/sdks/python/apache_beam/pipeline_test.py
+++ b/sdks/python/apache_beam/pipeline_test.py
@@ -987,6 +987,7 @@
         parent_dd = super(MyParentTransform, self).display_data()
         parent_dd['p_dd_string'] = DisplayDataItem(
             'p_dd_string_value', label='p_dd_string_label')
+        parent_dd['p_dd_string_2'] = DisplayDataItem('p_dd_string_value_2')
         parent_dd['p_dd_bool'] = DisplayDataItem(True, label='p_dd_bool_label')
         parent_dd['p_dd_int'] = DisplayDataItem(1, label='p_dd_int_label')
         return parent_dd
@@ -1000,6 +1001,7 @@
         parent_dd = super(MyPTransform, self).display_data()
         parent_dd['dd_string'] = DisplayDataItem(
             'dd_string_value', label='dd_string_label')
+        parent_dd['dd_string_2'] = DisplayDataItem('dd_string_value_2')
         parent_dd['dd_bool'] = DisplayDataItem(False, label='dd_bool_label')
         parent_dd['dd_int'] = DisplayDataItem(1.1, label='dd_int_label')
         return parent_dd
@@ -1026,6 +1028,11 @@
             beam_runner_api_pb2.DisplayData(
                 urn=common_urns.StandardDisplayData.DisplayData.LABELLED.urn,
                 payload=beam_runner_api_pb2.LabelledPayload(
+                    label='p_dd_string_2',
+                    string_value='p_dd_string_value_2').SerializeToString()),
+            beam_runner_api_pb2.DisplayData(
+                urn=common_urns.StandardDisplayData.DisplayData.LABELLED.urn,
+                payload=beam_runner_api_pb2.LabelledPayload(
                     label='p_dd_bool_label',
                     bool_value=True).SerializeToString()),
             beam_runner_api_pb2.DisplayData(
@@ -1041,6 +1048,11 @@
             beam_runner_api_pb2.DisplayData(
                 urn=common_urns.StandardDisplayData.DisplayData.LABELLED.urn,
                 payload=beam_runner_api_pb2.LabelledPayload(
+                    label='dd_string_2',
+                    string_value='dd_string_value_2').SerializeToString()),
+            beam_runner_api_pb2.DisplayData(
+                urn=common_urns.StandardDisplayData.DisplayData.LABELLED.urn,
+                payload=beam_runner_api_pb2.LabelledPayload(
                     label='dd_bool_label',
                     bool_value=False).SerializeToString()),
             beam_runner_api_pb2.DisplayData(
diff --git a/sdks/python/apache_beam/transforms/display.py b/sdks/python/apache_beam/transforms/display.py
index 2d3c618..449e45a 100644
--- a/sdks/python/apache_beam/transforms/display.py
+++ b/sdks/python/apache_beam/transforms/display.py
@@ -137,9 +137,15 @@
       except ValueError:
         # Skip if the display data is invalid.
         return None
-      if 'value' not in display_data_dict or 'label' not in display_data_dict:
-        return None
-      label = display_data_dict['label']
+
+      # We use 'label' or 'key' properties to populate the 'label' attribute of
+      # 'LabelledPayload'. 'label' is a better choice since it's expected to be
+      # more human readable but some transforms, sources, etc. may not set a
+      # 'label' property when configuring DisplayData.
+      label = (
+          display_data_dict['label']
+          if 'label' in display_data_dict else display_data_dict['key'])
+
       value = display_data_dict['value']
       if isinstance(value, str):
         return beam_runner_api_pb2.LabelledPayload(