Padraig Mac Giolla-Domhnaigh

Tosh—This name is a shortened anglicised form of McIntosh (Mac An Taoisigh, the Son of the Thane). It is found in the most of Scotland and in North-East Ulster.

Alphabetical Index of Anglicised Surnames in Ireland

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