For background on how the map was made (and its flaws), see the relevant blog entry.
|Kilgannon||Quite numerous: Sligo-Mayo-Galway. Ir. Mac Giolla Ghannain. Who Gannan was is not clear.|
|Mac Giolla Ghannain||Kilgannon: líon beag: Sligeach-Maigh Eo-Gaillimh. Ní fios cérbh é Gannan - ainm pearsanta atá imithe as amharc. SI.|
DEDs where Kilgannon and a second surname are found together