Hanna, Hannay - Anglicised Surnames in Ireland

Padraig Mac Giolla-Domhnaigh
1923

Hanna, Hannay—This name is of Galloway origin and is one of the "O" septs found in that part of Scotland, from which country they have spread into the most of the Ulster counties. The name is written A' Hannay in old Records, and is in Gaelic O' h-Annaidh.

Alphabetical Index of Anglicised Surnames in Ireland

See also Woulfe’s Irish Names and Surnames
and O'Hart's Irish Pedigrees