Is Mcdade Irish or Scottish?

The Scottish and Irish surname McDade is of patronymic origin being an anglicized form of the Gaelic surname Mac Daibheid, meaning “son of David.” The McDade's are said to have descended from David O'Doherty, a chief of Cinel Conaill, who was killed in 1208, and grew to be numerous in Inishowen.

Is McDade an Irish name?

Irish: Anglicized form of Gaelic Mac Daibhéid (see McDevitt).

Is Mcclanahan Irish or Scottish?

Mcclanahan Name Meaning

Scottish and Irish: Anglicized form of Gaelic Mac Gille Onchon 'son of the servant of (Saint) Onchú', an Old Irish personal name perhaps meaning 'mighty hound'.