Keogan | Quite numerous: Meath-Cavan etc. Ir. Mac Eochagáin (SI); Ó Ceogáin (SGA) so that it may sometimes be a variant Cogan. Woulfe says it is a variant of Mag Eochagáin, i.e. Geoghegan, q.v. |
Keoghan | Quite numerous: Waterford-Kilkenny, Midlands. Ir. Mac Eochagáin, dimin. of Eochaidh. Cognate with Keogan and Keohane. |
Keohan | rare: Waterford. Ir. Mac Eocháin, see Keohane. |
Keohane | numerous: mainly Cork. Ir. Mac Eocháin, dimin. of Eocha, a variant of Eochaidh, but in spoken language Ó Ceocháin. SI & SGG. |
Ó Ceocháin | Keohane: líonmhar: Corcaigh thiar: claochlú ar Mac Eocháin, q.v. |
DEDs where Keoughan and a second surname are found together
This list shows total 1901 Keoughan households by county.
Click on the county to see detail.
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