Surname Grimason (Grimason 
) , worldwide, is a rare cognomen. The cognomen Grimason is characteristic of the United Kingdom, where it is a rare surname, Ireland, and New Zealand. In absolute terms, the name is most common in the United Kingdom, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Grimason | United Kingdom, Australia, Ireland, United States, Canada |
| alistair grimason clergyman. Dean of Tuam (b. 1957) |
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| brownie grimason second wife of Robert Carnegie, 13th Earl of Northesk |
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| john scott grimason Peerage person ID=663244 |
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