For background on how the map was made (and its flaws), see the relevant blog entry.
|Davitt||Quite numerous: Mayo and scattered. Ir. Mac Daibhéid. A variant of MacDevitt; also a branch of the Burkes of Connacht. It is MacDaid in Donegal, the home of this sept.MIF & SGG|
|Devitt||fairly numerous: Clare-Tipperary etc. Mac Daibhéid. This Irish name relates mainly to a sept of Donegal; in the south, Devitt may be of Anglo-Norman origin. MIF.|
|MacDevitte||numerous: Donegal-Derry-Tyrone etc. Ir. Mac Daibhéid. See Mac Daid.|