For background on how the map was made (and its flaws), see the relevant blog entry.
Crawford | Very numerous: mainly Ulster: Fermanagh, Derry, Antrim & Monaghan. Also present in Sligo-Leitrim, S Leinster & N Munster. Ir. Mac Crábhagáin, de Cráfort, Mac Raith. In Ulster, it is mainly of Scottish origin, though Mac Crábhagáin relates to S Ulster. An Sloinnteoir Gaeilge gives Mac Raith, making it a synonym of MacGrath, which would account for the distribution in the south. This name is widespread in England. |
DEDs where Crawford and a second surname are found together
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