For background on how the map was made (and its flaws), see the relevant blog entry.
|Stewart||Very numerous: all areas, least in Munster, most in Ulster. Ir. Stíobhard. A notable Scottish name, also Stuart.|
|Stuart||numerous: all areas, mainly Ulster. Ir. Stíobhard. A French version of Stewart used by Mary, Queen of Scots, who was brought up in France. Subsequently the royal house of Scotland and England. See Stewart.|