Last name Sibley (Sibley 
, סיבלי ) , in the entire world, is a common cognomen. The family name Sibley is characteristic of Isle of Man, where it is quite a common surname, Israel, and the United Kingdom, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Israel. Much less frequently, Sibley is the forename as well as the last name.
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| Sibley | United Kingdom, Israel, Australia, United States, Canada |
| סיבלי | Israel |
| john sibley Gunsmith. 1685 free of Gunmakers co., proof piece 1687. (b. 1685) |
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solomon sibley American judge (1769-1846), US (b. 1769) |
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george c. sibley American explorer and politician, US (b. 1782) |
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mark h. sibley American politician, US (b. 1796) |
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mary easton sibley American educator, US (b. 1800) |
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john langdon sibley Harvard librarian, US (b. 1804) |
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hiram sibley American industrialist, entrepreneur, and philanthropist; co-founder and President of Western Union (1807-1888), US (b. 1807) |
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| john sibley American surgeon, US (b. 1757) |
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henry hastings sibley first governor of Minnesota (1811-1891), US (b. 1811) |
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| jonas sibley American politician (1762-1834), US (b. 1762) |
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henry hopkins sibley Confederate Army general, US (b. 1816) |
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simon harrison sibley politician in Massachusetts, US (1816-1879), US (b. 1816) |
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warren sibley politician in Massachusetts, US (1819-1891), US (b. 1819) |
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madame sibley Phrenologist and mesmerist, AU (b. 1830) |
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| joseph sibley (b ?Halifax, NS, ?1790; d St Andrew’s [now Wittenburg], NS, Feb 1, 1862). Canadian furniture-maker (b. 1790) |
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