Surname Gallaugher (Gallaugher 
) , in all the world, is a rare last name. The surname Gallaugher is characteristic of Malta, where it is quite a rare surname, Canada, where it is a rare surname, and New Zealand. In absolute terms, it is commonest in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Gallaugher | United Kingdom, Malta, Australia, United States, Canada |
| michael patrick brian gallaugher Ph.D. McMaster University 2020 |
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