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Cognomen Gallacher (Gallacher
, Галлахер
) , in the world, is quite a common surname. The surname Gallacher is characteristic of Guernsey, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and New Zealand. In absolute terms, it is commonest in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Gallacher | Canada, New Zealand, Australia, United States, United Kingdom |
| Галлахер | Russia, Ukraine |