BishopEnglish Means simply "bishop", ultimately from Greek ἐπίσκοπος (episkopos) meaning "overseer". It probably originally referred to a person who served a bishop.
SullivanIrish Anglicized form of the Irish name Ó Súileabháin meaning "descendant of Súileabhán". The name Súileabhán means "dark eye".
WalkerEnglish Occupational name for a person who walked on damp raw cloth in order to thicken it. It is derived from Middle English walkere, Old English wealcan meaning "to move".