Surname Cosgrove (Cosgrove 
, קוסגרוב 
) , in the entire world, is a common last name. The family name Cosgrove is characteristic of Jersey, where it is quite a common surname, Ireland, and Australia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
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| Cosgrove | Canada, Australia, United States, United Kingdom, Ireland |
| קוסגרוב | Israel |
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henry cosgrove Second bishop of the Roman Catholic Diocese of Davenport, Iowa, USA., US (b. 1834) |
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john cosgrove American politician (1839-1925), US (b. 1839) |
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samuel g. cosgrove American politician (1847-1909), US (b. 1847) |
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| thomas cosgrove Medal of Honor recipient, IE (b. 1829) |
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| thomas cosgrove (b. 1821) |
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robert cosgrove Australian politician, AU (b. 1884) |
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william cosgrove recipient of the Victoria Cross, IE (b. 1888) |
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| william cosgrove golfer (1855-), GB (b. 1855) |
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| ned cosgrove golfer (1858-), GB (b. 1858) |
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| james cosgrove South Carolina politician, US (b. 1861) |
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| john cosgrove Australian actor, AU (b. 1867) |
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| cormic cosgrove American soccer player (1869-1930), US (b. 1869) |
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| mabel cosgrove wodehouse pearse Irish writer (b. 1872) |
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| cornelius cosgrove American archaeologist, US (b. 1875) |
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| gertrude cosgrove Australian community worker, AU (b. 1882) |
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