Irish and Manx
"the son of Giolla Dhomhnaigh"

Looney Origin and Meaning

The name Looney is a girl's name meaning "the son of Giolla Dhomhnaigh".

The Gaelic name Giolla Dhomhnagh ("servant of Donagh") turned into the patronymic Mac Giolla Dhomhnagh, which was whispered down the alley until it became MacGillowney, and eventually Looney. Although it's similar in sound to popular Luna, this isn't an Irish surname that's likely to get much use.