Addy, Addie, Adie
Addy, Addie, Adie—MAC ADAIDH.—The other Anglicised forms of this name are McAdie, McCadie, Eddy, and Eddie. A sept of the McAdies were descended from the Clan Ferguson (Mac Fearghuis) in Perthshire. See Ferguson.
Alphabetical Index of Anglicised Surnames in Ireland
See also Woulfe’s Irish Names and Surnames
… and O'Hart's Irish Pedigrees