Keegan households in mid-nineteenth century Ireland

Householders by county in Griffith's (1847-64), as on the map

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Surname Dictionary

Keegan Very numerous: Leinster & Connacht with moderate numbers in Ulster. See also Egan. The Irish is Mac Aodhagáin (dimin. of Aodh, fire). Ó Caogáin in spoken language.
Mac Aodhagáin rare: scattered. Ir. Lang. See Egan.
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.
Ó Caogáin Keegan: líonmhar: Laighin & Connachta. Is truailliú é seo ar Mac Aodhagáin, q.v.


  • Keegan in 1659.
  • Keegan births mapped 1864-1913
  • Keegan 1901 census map
  • Keegan 1911 census map
  • Keegan Roman Catholic baptisms

Parishes where Keegan and a second surname are found together


Variants in Griffith's
& total households

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Click on a name to see it on the map.

Non-Griffith's Variants

Click here for all variant sources.

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