Last name origin & meaning:
Irish: Anglicized form of Gaelic Ó Manacháin
‘descendant of Manachán’, a personal name representing a
diminutive of manach ‘monk’. See also Monk. The Gaelic
name is sometimes interpreted as if it were Ó Muineacháin
‘descendant of the little shrubbery’, and is sometimes translated as
Thornton. Compare the place name Monaghan.
Comments for Monahan