Type Surname (from given name)
Usage Irish
Meaning & History
Anglicized form of Irish Mac Diarmada meaning "son of Diarmaid". The McDermotts were nobility in the Kingdom of Connaught, a province in Ireland.
Related Names
RootDomhnall (given name)
VariantsDermott, MacDermott, Mac Diarmada, Mac Domhnaill, Ó Domhnaill