For background on how the map was made (and its flaws), see the relevant blog entry.
|Whalen||Very rare: Tipperary. As Whelan.|
|Whealen||Very rare: Dublin. See Whelan.|
|Whelan||Very numerous: all areas, especially South east and Munster. Ir. Ó Faoláin, faol, wolf. A sept of the Decies, Waterford; Ó Faoláin was the first chief to fall resisting the Invasion in 1169. See also Phelan. IF.|