For background on how the map was made (and its flaws), see the relevant blog entry.
| Kee | fairly numerous: W Ulster. Ir. Mac Aoidh, from first name Aodh (fire). One of many synonyms. See Mac Kee. MIF. |
| Keyes | numerous: South East, Limerick, Ulster. Ir. Mac Aoidh (SGA). Woulfe gives Mac an Chaoich, caoch, blind and a Cavan name. The name exists in England with diverse origins. DBS. |
| Keys | numerous: Ulster, particularly Derry-Donegal, Galway etc. Ir. Mac Aoidh. Also as MacKee, q.v. |
| Mac Aodha | Mac Kay, Mac Coy: an-líonmhar, C. Uladh: MacKay in Aontraim go sonrach. MacCoy le fáil i gC. Mumhain - Iarthar Luimnigh go sonrach. Clann ghallóglach a tháinig ó Albain le Muintir Mhic Dhónaill, agus gur bhog cuid acu ó dheas sa 16 céad.Tá comhchiallaigh Eason agus Hewson ag gabháil leo, leis. IF, SI & SGG. |
| Mac Aoidh | rare: scattered. Ir. Lang. See Mac Coy. |
| MacAodha | rare: scattered. Ir. Lang. See Hayes & Hughes. |
| MacCay | fairly numerous. Derry, Ulster generally. Ir. Mac Aodha. First name Aodh = fire. Also a Scottish name of many settlers in Ulster. SGG & SS. |
| MacKay | Very numerous: Ulster, especially Antrim; Dublin etc. Ir. Mac Aodha, from first name Aodh, "fire". Mainly a Scottish name. IF. |
| MacKee | Very numerous: Ulster generally, especially Down. Ir. Mac Aoidh, from first name Aodh meaning "fire". Various synonyms: Mac Kay, Mac Coy, Mac Hugh. |
| Mackey | numerous: all areas, especially Ulster, South East, Tipperary-Limerick. Ir. Ó Macdha (manly), a sept of Tipperary. In Ulster, it usually stands for Mac Aoidh, i.e. Mac Kee and Mac Kay, q.v. MIF. |
| Mackie | Quite numerous: Down-Armagh etc. Ir. Mac Aoidh. See Mac Kee. |
DEDs where McKeay and a second surname are found together
This list shows total 1901 McKeay households by county.
Click on the county to see detail.
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