Costello is a boy’s name of Irish origin. Meaning in Irish: Surname. The name has 8 letters.
Related names
Corry
GirlEnglish Irish
Variant of Cory meaning variously: From the round hill; seething pool; or ravine. Variant of Cory meaning variously: from the round hill; seething pool; ravine.
Cory
UnisexEnglish Irish Scottish
From the round hill; seething pool; ravine. Seething pool.
Cosgrave
BoyIrish
Triumphant.
Cosgrove
BoyIrish
Triumphant.
Coughlan
BoyIrish
Hooded.
Covey
BoyIrish
Hound of the plains.
Cowan
BoyGaelic Irish
Dwells by the hillside hollow. Valley in a hill; twin.
Cowen
BoyIrish
Twin.