Hardiman, Harmon - Anglicised Surnames in Ireland

Padraig Mac Giolla-Domhnaigh
1923

Hardiman, Harmon—These two names are the anglicised forms of O'h-Argadáin; the first in the districts surrounding Galway City, and the second, Harmon, in that county and those adjoining.

Alphabetical Index of Anglicised Surnames in Ireland

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