Last name Gilfillan (Gilfillan 
) , all over the world, is quite a rare surname. The cognomen Gilfillan is habitual in the United Kingdom, where it is quite a rare surname, Australia, and New Zealand, where it is a rare surname. In absolute terms, it is the most numerous in the United States, the United Kingdom, and South Africa. Much less frequently, Gilfillan is the forename as well as the last name.
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| Gilfillan | United Kingdom, Australia, South Africa, Canada, United States |
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john alexander gilfillan British painter (1793-1864), NZ (b. 1793) |
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robert gilfillan British poet and songwriter (1798-1850) (b. 1798) |
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| samuel gilfillan Scottish United Secession minister (b. 1762) |
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george gilfillan Scottish writer (1813-1878), GB (b. 1813) |
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james gilfillan American lawyer and judge, GB (b. 1829) |
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calvin willard gilfillan American politician (1832-1901), US (b. 1832) |
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john gilfillan American politician (1835-1924), US (b. 1835) |
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james gilfillan Treasurer of the United States, US (b. 1836) |
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| william frederick anderson gilfillan (1796-1855) (b. 1796) |
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| james gilfillan Scottish minister of the United Presbyterian church (b. 1797) |
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| john anderson gilfillan New Zealand politician (1821-1875), NZ (b. 1821) |
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| robert gilfillan (1823-1909) merchant and auditor (b. 1823) |
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| charles duncan gilfillan American politician, US (b. 1831) |
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| john murray gilfillan (1832-1903) (b. 1832) |
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| joseph gilfillan Irish missionary (b. 1838) |
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