diff --git a/client/coral-embed-stream/src/CommentStream.js b/client/coral-embed-stream/src/CommentStream.js
index da5e25ff4..dae78f69d 100644
--- a/client/coral-embed-stream/src/CommentStream.js
+++ b/client/coral-embed-stream/src/CommentStream.js
@@ -11,6 +11,7 @@ import Content from '../../coral-plugin-commentcontent/CommentContent'
 import PubDate from '../../coral-plugin-pubdate/PubDate'
 import Count from '../../coral-plugin-comment-count/CommentCount'
 import Flag from '../../coral-plugin-flags/FlagButton'
+import AuthorName from '../../coral-plugin-author-name/AuthorName'
 import {ReplyBox, ReplyButton} from '../../coral-plugin-replies'
 import Pym from 'pym.js'
 
@@ -117,6 +118,7 @@ class CommentStream extends Component {
                 const comment = this.props.items[commentId]
                 return <div className="comment">
                   <hr aria-hidden={true}/>
+                  <AuthorName name={comment.username}/>
                   <PubDate created_at={comment.created_at}/>
                   <Content content={comment.body}/>
                   <div className="commentActions">
@@ -143,6 +145,7 @@ class CommentStream extends Component {
                       let reply = this.props.items[replyId]
                       return <div className="reply">
                         <hr aria-hidden={true}/>
+                        <AuthorName name={reply.username}/>
                         <PubDate created_at={reply.created_at}/>
                         <Content content={reply.body}/>
                         <div className="replyActions">
diff --git a/client/coral-embed-stream/style/default.css b/client/coral-embed-stream/style/default.css
index 4421bfaed..6458ae749 100644
--- a/client/coral-embed-stream/style/default.css
+++ b/client/coral-embed-stream/style/default.css
@@ -90,6 +90,10 @@ hr {
   margin-bottom: 10px;
 }
 
+.coral-plugin-author-name-text {
+  font-weight: bold;
+}
+
 
 /* Reply styles */
 
diff --git a/client/coral-plugin-author-name/AuthorName.js b/client/coral-plugin-author-name/AuthorName.js
new file mode 100644
index 000000000..cb465db37
--- /dev/null
+++ b/client/coral-plugin-author-name/AuthorName.js
@@ -0,0 +1,9 @@
+import React from 'react'
+const name = 'coral-plugin-author-name'
+
+const AuthorName = ({name}) =>
+<div className={name + '-text'}>
+  {name}
+</div>
+
+export default AuthorName