|Higgans||rare: Down, Dublin. See Higgins. Also possibly English, cognate with Hicks, q.v.|
|Higgins||Very numerous: all areas especially Connacht and Ulster. Ir. Ó h-Uiginn, uiging, a viking or sea-rover. A branch of the Southern Uí Néill, they moved to Connacht; a literary family noted for their poetic ability, they were later prominent in S America. IF & SGG.|
|O h-Uiginn||rare: Dublin etc. Ir.Lang. See Higgins.|
|O'Higgins||fairly numerous: Galway-Mayo, N Leinster etc. Ir. Ó h-Uiginn, ? Viking. They were a sept of the Southern Uí Néill in W Meath, they were displaced to Sligo but flourished as a literary family. The name was notable in Spain and S America. IF.|
Parishes where Higgins and a second surname are found together
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