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Cognomen Mac Alasdair (Mcallister
, Mac Alasdair
) , across the world, is a common family name. The last name Mac Alasdair is habitual in Marshall Islands, where it is a common surname, Guernsey, where it is quite a common surname, and Isle of Man (explore the name in all countries). Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Mcallister | Canada, Australia, United States, United Kingdom, Ireland |
| Mac Alasdair | Australia |