Surname Croghan (Croghan 
) , around the world, is quite a rare family name. The surname Croghan is characteristic of Ireland, where it is quite a rare surname, the United States, where it is a rare surname, and Australia. Not in comparison with a country's population, the name is most common in the United States, Ireland, and the United Kingdom.
| VARIANT | COUNTRY |
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| Croghan | Canada, Australia, United States, United Kingdom, Ireland |
| george croghan Colonial American merchant, IE (b. 1718) |
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george croghan U.S. Army officer who fought in the War of 1812, US (b. 1791) |
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| william croghan (b. 1752) |
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| john croghan American doctor (1790-1849) (b. 1790) |
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| mary elizabeth croghan (1826-1903) (b. 1826) |
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| maurice croghan Canadian ice hockey defenceman, CA (b. 1914) |
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| mark croghan athletics competitor, US (b. 1968) |
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| emma-kate croghan Australian film director, AU (b. 1972) |
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| margaret croghan Peerage person ID=651284 |
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| carry w croghan researcher |
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| charles croghan Peerage person ID=651285 |
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| serena eliza croghan (1795-1884) |
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| ivana t croghan researcher (ORCID 0000-0003-3464-3525) |
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| william croghan, jr. Peerage person ID=566452 |
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| stefanie m croghan researcher (ORCID 0000-0003-4524-3682) |
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