For background on how the map was made (and its flaws), see the relevant blog entry.
|De Bhailis||Very rare: Galway. Ir. Lang. See Wallace.|
|Wallace||Very numerous: all areas, particularly E Ulster. Ir. de Bhailís. Le Waleis was the Norman term for British Celts, both Welsh and Strathclyde Britons. The name is mainly Scottish, hence the strong presence in Ulster. In the south, they may be Cambro-Normans and synonymous with Walsh. See Wallis. SI & DBS.|
|Wallis||Quite numerous: Kilfinnane (Limerick), South East, Derry etc. As Wallace, q.v.|