For background on how the map was made (and its flaws), see the relevant blog entry.
|Egan||v numerous: Connacht, Midlands, N Munster. Ir. Mac Aodhagáin, mod. Mac Aogáin. Some were a brehon family attached to O'Connor of Offaly. Also as Keegan. The name is a diminutive of Aodh, fire. IF,MIF & SGG.|
|MacKeegan||Quite numerous: Derry-Antrim. Ir. Mac Aodhagáin, from dimin. of Aodh, "fire". Known as a brehon (lawyer) family attached to various septs. See Keegan. SGG.|