Surname Colgrove (Colgrove 
) , worldwide, is quite a rare cognomen. The cognomen Colgrove is characteristic of the United States, where it is a rare surname, Australia, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
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| Colgrove | Brazil, Australia, United Kingdom, Canada, United States |
| philip t. colgrove American politician, US (b. 1858) |
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| james keith colgrove (b. 1962) |
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| nicole colgrove researcher |
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| robert c colgrove researcher |
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| nicholas colgrove researcher |
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| yvonne m colgrove researcher |
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