Hardy, Hardie
Hardy, Hardie—These two names are the anglicised forms of M'Hardy, a sept of both the clan McIntosh and clan Farquharson. The name is found in N.E. Ulster, and its Gaelic form is Mac Chardaigh. The name has no common origin with an Irish sept of the name of Hardy, which is the anglicised form of Mac Giolla-deacair.
Alphabetical Index of Anglicised Surnames in Ireland
See also Woulfe’s Irish Names and Surnames
… and O'Hart's Irish Pedigrees