Last name: COSTELLO

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All you have to know about the last name COSTELLO

Last name frequency

COSTELLO : This last name is indexed 82,719 times on Geneanet!

Origin of last name

COSTELLO : 1: Irish: shortened Anglicized form of Gaelic Mac Oisdealbhaigh ‘son of Oisdealbhach’ a personal name composed of the elements os ‘deer fawn’ + dealbhach ‘in the form of resembling’.2: Americanized form of Italian Castello and also of some other surnames beginning with Cast- for example Castelluccio.3: Americanized form of Croatian Kostelac and Slovenian or Croatian Kostelec or Kostevc.

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