diff --git a/indra/newview/app_settings/settings_ascent.xml b/indra/newview/app_settings/settings_ascent.xml
index 5d49b854c..41207d047 100644
--- a/indra/newview/app_settings/settings_ascent.xml
+++ b/indra/newview/app_settings/settings_ascent.xml
@@ -47,6 +47,17 @@
 		  <key>Value</key>
 		  <integer>1</integer>
 		</map>
+		<key>IMNameSystem</key>
+		<map>
+		  <key>Comment</key>
+		  <string>For names in chat tabs. 0 = Old Style, 1 = Display Names and Username, 2 = Displayname only, 3 = Old Style (Display Name)</string>
+		  <key>Persist</key>
+		  <integer>1</integer>
+		  <key>Type</key>
+		  <string>S32</string>
+		  <key>Value</key>
+		  <integer>0</integer>
+		</map>
 		<key>LandManagementNameSystem</key>
 		<map>
 		  <key>Comment</key>
diff --git a/indra/newview/ascentprefschat.cpp b/indra/newview/ascentprefschat.cpp
index 8862d1604..c604a3260 100644
--- a/indra/newview/ascentprefschat.cpp
+++ b/indra/newview/ascentprefschat.cpp
@@ -265,6 +265,7 @@ void LLPrefsAscentChat::refreshValues()
 	mLegacyEndScroll                = gSavedSettings.getBOOL("LiruLegacyScrollToEnd");
 	mItalicizeActions               = gSavedSettings.getBOOL("LiruItalicizeActions");
 	mLegacyLogLaunch                = gSavedSettings.getBOOL("LiruLegacyLogLaunch");
+	mChatTabNames                   = gSavedSettings.getS32("IMNameSystem");
 	mFriendNames                    = gSavedSettings.getS32("FriendNameSystem");
 	mGroupMembersNames              = gSavedSettings.getS32("GroupMembersNameSystem");
 	mLandManagementNames            = gSavedSettings.getS32("LandManagementNameSystem");
@@ -348,6 +349,8 @@ void LLPrefsAscentChat::refresh()
     }
 
 	//Chat UI -----------------------------------------------------------------------------
+	if (combo = getChild<LLComboBox>("chat_tabs_namesystem_combobox"))
+		combo->setCurrentByIndex(mChatTabNames);
 	if (combo = getChild<LLComboBox>("friends_namesystem_combobox"))
 		combo->setCurrentByIndex(mFriendNames);
 	if (combo = getChild<LLComboBox>("group_members_namesystem_combobox"))
@@ -501,6 +504,7 @@ void LLPrefsAscentChat::cancel()
 	gSavedSettings.setBOOL("LiruLegacyScrollToEnd",                mLegacyEndScroll);
 	gSavedSettings.setBOOL("LiruItalicizeActions",                 mItalicizeActions);
 	gSavedSettings.setBOOL("LiruLegacyLogLaunch",                  mLegacyLogLaunch);
+	gSavedSettings.setS32("IMNameSystem",                          mChatTabNames);
 	gSavedSettings.setS32("FriendNameSystem",                      mFriendNames);
 	gSavedSettings.setS32("GroupMembersNameSystem",                mGroupMembersNames);
 	gSavedSettings.setS32("LandManagementNameSystem",              mLandManagementNames);
diff --git a/indra/newview/ascentprefschat.h b/indra/newview/ascentprefschat.h
index c04a2d297..709635d4f 100644
--- a/indra/newview/ascentprefschat.h
+++ b/indra/newview/ascentprefschat.h
@@ -87,6 +87,7 @@ private:
 	bool mLegacyEndScroll;
 	bool mItalicizeActions;
 	bool mLegacyLogLaunch;
+	S32 mChatTabNames;
 	S32 mFriendNames;
 	S32 mGroupMembersNames;
 	S32 mLandManagementNames;
diff --git a/indra/newview/llimpanel.cpp b/indra/newview/llimpanel.cpp
index da0f11280..ccc13b61c 100644
--- a/indra/newview/llimpanel.cpp
+++ b/indra/newview/llimpanel.cpp
@@ -404,7 +404,17 @@ void LLFloaterIMPanel::onAvatarNameLookup(const LLAvatarName& avatar_name)
 	std::string title;
 	LLAvatarNameCache::getPNSName(avatar_name, title);
 	setTitle(title);
-	// Singu Note: We could set tab name here, too now.
+	const S32& ns(gSavedSettings.getS32("IMNameSystem"));
+	LLAvatarNameCache::getPNSName(avatar_name, title, ns);
+	if (!ns || ns == 3) // Remove Resident, if applicable.
+	{
+		size_t pos(title.find(" Resident"));
+		if (pos != std::string::npos && !gSavedSettings.getBOOL("LiruShowLastNameResident"))
+			title.erase(pos, 9);
+	}
+	setShortTitle(title);
+	if (LLMultiFloater* mf = dynamic_cast<LLMultiFloater*>(getParent()))
+		mf->updateFloaterTitle(this);
 }
 
 LLFloaterIMPanel::~LLFloaterIMPanel()
diff --git a/indra/newview/skins/default/xui/en-us/panel_preferences_ascent_chat.xml b/indra/newview/skins/default/xui/en-us/panel_preferences_ascent_chat.xml
index 024f4d5e7..8199d3d8d 100644
--- a/indra/newview/skins/default/xui/en-us/panel_preferences_ascent_chat.xml
+++ b/indra/newview/skins/default/xui/en-us/panel_preferences_ascent_chat.xml
@@ -56,6 +56,13 @@
       <check_box bottom_delta="-20" follows="left|top" control_name="ShowLocalChatFloaterBar" label="Show chat bar in torn-off local chat floater" name="show_local_chat_floater_bar"/>
       <check_box bottom_delta="-20" control_name="ContactsUseHorizontalButtons" follows="top" height="16" label="Use horizontal buttons for contacts floater (Needs restart)" tool_tip="When enabled, the buttons on the Friends and Groups panels will be at the bottom, horizontally arranged, instead of vertically arranged on the right." name="horiz_butt"/>
       <text bottom_delta="-14" left="16" follows="top" name="namesystems_text_box">Format for names in lists of/for:</text>
+      <text bottom_delta="-18" left="20" follows="top" name="chat_tabs_namesystem_text_box">Chat Tabs:</text>
+      <combo_box bottom_delta="-5" left_delta="140" follows="top" height="18" control_name="IMNameSystem" name="chat_tabs_namesystem_combobox" width="130">
+        <combo_item name="Old Names" value="0">Old Names</combo_item>
+        <combo_item name="Display Names (with Username)" value="1">Display Names (w/Username)</combo_item>
+        <combo_item name="Display Names only" value="2">Display Names only</combo_item>
+        <combo_item name="Old Names (with Display Names)" value="3">Old Names (w/Display)</combo_item>
+      </combo_box>
       <text bottom_delta="-18" left="20" follows="top" name="friends_namesystem_text_box">Friends:</text>
       <combo_box bottom_delta="-5" left_delta="140" follows="top" height="18" control_name="FriendNameSystem" name="friends_namesystem_combobox" width="130">
         <combo_item name="Old Names" value="0">Old Names</combo_item>