Click on the red marker on the map below for a link to the full 1901 census entry.
Very numerous: Galway-Mayo especially, also Munster and S Leinster. Ir. Ó Fathaigh. Woulfe gives derivation fothadh, foundation. It is certainly not faiche, lawn, from which arises the pseudo-translation Greene. They were a sept of Uí Maine (Galway) and were also in Tipperary. IF & SGG.
Quite numerous: Mayo etc. Ir. Mac a' Bheatha, beatha, life. See Mac Veagh. SI.
rare: Drogheda (Louth). See Mac Veagh.
rare: Belfast. Ir. ? Mac an Bheatha. See Mac Veigh.