|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.|
Parishes where Kilgannon and a second surname are found together
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