Walsh, which is pronounced "Welsh" in Connaught , is a semi-translation of the Irish surname Breathnach, meaning ‘Welsh’ or ‘Breton’, also sometimes anglicised as ‘Brannagh’. This alludes to the Cambro-Gaelic origin of the Walsh families. The name came into use to describe the Welsh people who came to Ireland during the Cambro-Norman invasions beginning in 1169 A.D.
Unlike most of the Anglo-Norman and Cambro-Norman families such as the Burkes, the Fitzgeralds etc, who can trace their ancestry to a small number of known individuals, the Walshes have many different origins, since the name arose independently in many different places in Ireland.
John Walsh @ 1780 Mayo
Patrick Walsh @ 1803 - 1883 Derrycoosh, Mayo
John Walsh @1837 - 1920 Derrycoosh, Mayo
Mary Walsh 1869 Derrycoosh Mayo - 1956 St. Paul, MN