Cognomen Gargan (Gargan 
, Гарган 
) , in the entire world, is quite a rare surname. The last name Gargan is habitual in Ireland, where it is quite a common surname, the United Kingdom, where it is a rare surname, and Australia. In absolute terms, this name is the most popular in the United States, Ireland, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Gargan | Canada, Australia, United States, United Kingdom, Ireland |
| Гарган | Russia, Ukraine |
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xavier gargan French inventor (1816-1886), FR (b. 1816) |
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thomas john gargan politician in Massachusetts, US (1844-1908), US (b. 1844) |
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francis gargan politician in Massachusetts, US (1847-1900), US (b. 1847) |
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| denis gargan Irish priest (b. 1819) |
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| charles-joseph de gargan (1831-1920), FR (b. 1831) |
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howard gargan American football player and coach (1886-1945), US (b. 1886) |
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frank gargan American player and football coach (1888-1960), US (b. 1888) |
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edward gargan American actor (1902-1964), US (b. 1902) |
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william gargan American actor (1905-1979), US (b. 1905) |
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| matt gargan Irish hurler, IE (b. 1877) |
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| jack gargan Irish hurler, IE (b. 1918) |
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| edward t. gargan American historian, US (b. 1922) |
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| john gargan English association football player (1928-2007), GB (b. 1928) |
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| joseph gargan American lawyer, US (b. 1930) |
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| jack gargan American politician, US (b. 1930) |
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