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Surname Callaghan (Callaghan , Калаган , Калахан ) , all around the world, is a common family name. The surname Callaghan is characteristic of Ireland, where it is quite a common surname, Fiji, and Australia (explore the name in all countries). Not in comparison with a country's population, the name is most common in the United Kingdom, the United States, and Ireland. Much less frequently, Callaghan is the forename as well as the last name.
VARIANT | COUNTRY |
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Callaghan | Australia, Canada, Ireland, United Kingdom, United States |
Калаган | Kazakhstan, Ukraine |
Калахан | Kazakhstan, Russia, Ukraine |
Каллаган | Russia, Ukraine |
O'Callaghan, and Цаллагхан