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There are approximately 10,815 people named Costello in the UK. That makes it the 977th most common surname overall. Out of every million people in the UK, approximately 171 are named Costello.

Region of origin

British Isles

Country of origin

Ireland

Language of origin

Gaelic

Religion of origin

Christian

Classification

Celtic


Related and similar surnames

Costelloe
Castello
Castiello
Castelloe
Castellow
Castelo
Castell
Castellon
Castelow
Castel
Castella
Castelli
Castells
Costellow
Casteallo
Casteillo
Castellou
Casstello
Castelllo
Casteelo
Castallo
Castelou
Castealo
Casteloe
Casteilo
Casstelo
Castelloes
Castielo
Castellowe
Castelos
Castaillo
Cahstell
Caistell

The Costello surname in historical dictionaries

Patronymica Britannica (1860)

COSTELLO. Among the many ANorm. settlers in Ireland, temp. Henry II., was Hostilio de Angulo. His descendants were called Mac-Ostello (son of Hostilio) which by still further corruption became Costello.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.

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