Surname Finnigan (Finnigan 
) , across the world, is quite a common last name. The last name Finnigan is habitual in New Zealand, where it is quite a rare surname, Australia, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the United Kingdom, the United States, and Australia. Much less frequently, Finnigan is the forename as well as the last name.
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| Finnigan | United Kingdom, Australia, United States, Canada, New Zealand |
| annette finnigan American suffragist and philanthropist, US (b. 1837) |
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| michael e. finnigan American lawyer and politician from New York, US (b. 1842) |
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frank finnigan Canadian ice hockey player, CA (b. 1903) |
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| teresa cecily finnigan (1873-1965) (b. 1873) |
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robert e. finnigan American electrical engineer, US (b. 1927) |
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| george joseph finnigan Bishop of Helena, Montana, US (b. 1885) |
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richard f. finnigan politician in Massachusetts, US, US (b. 1936) |
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| herbert finnigan English rugby league footballer, GB (b. 1889) |
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mike finnigan American keyboard player and vocalist, US (b. 1945) |
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| alfred finnigan British legion d'honneur recipient (b. 1896) |
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| charles finnigan British dentist, GB (b. 1901) |
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| dick finnigan British association football player (born 1904), GB (b. 1904) |
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pat finnigan Canadian politician, CA (b. 1955) |
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| edward l. finnigan American-football player (1911-1968), US (b. 1911) |
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| willie finnigan Scottish footballer (1912-2006), GB (b. 1912) |
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