Family name Decatur (Decatur 
) , all over the world, is a rare cognomen. The surname Decatur is habitual in the United States, where it is a rare surname, Israel, where it is a very rare surname, and Georgia. Measured by absolute frequency, the name is most common in the United States, Canada, and Israel. Very seldom, Decatur is the forename as well as the last name.
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| Decatur | Israel, Canada, Spain, Georgia, United States |
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stephen decatur, sr. US Navy officer, US (b. 1752) |
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susan wheeler decatur wife of Stephen Decatur (b. 1776) |
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stephen decatur United States Navy officer, US (b. 1779) |
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| stephen decatur American pioneer, US (b. 1813) |
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art decatur American baseball player, US (b. 1894) |
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| william jefferson decatur born 1874.10.16; architect (b. 1874) |
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decatur "bucky" trotter American politician (1932-2004), US (b. 1932) |
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| sean m. decatur American chemist; academic (born 1968) (b. 1968) |
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| christina l decatur researcher (ORCID 0000-0001-9125-1718) |
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| doug decatur American baseball writer |
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| scott evan decatur Ph.D. Harvard University 1995 |
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