Family name Deltour (Deltour 
) , all around the world, is quite a rare surname. The last name Deltour is habitual in Belgium, where it is quite a common surname, France, where it is quite a rare surname, and Argentina, where it is a rare surname. In absolute terms, it is commonest in France, Belgium, and the United States. Very seldom, Deltour is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Deltour | Belgium, Spain, France, United States, Argentina |
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carlos deltour French rower (1864-1920), FR (b. 1864) |
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| félix deltour French writer and latinist, FR (b. 1822) |
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yvonne deltour FR (b. 1894) |
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| jean-baptiste deltour FR (b. 1854) |
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| hubert deltour Belgian cyclist (1911-1993), BE (b. 1911) |
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| lucie deltour BE (b. 1912) |
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sam deltour musher |
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antoine deltour French economist, FR (b. 1985) |
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| louis deltour BE (b. 1927) |
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| jean-pierre deltour French politician, FR (b. 1938) |
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| france deltour French politician, FR (b. 1939) |
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| alain deltour French politician, FR (b. 1948) |
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| mark deltour (b. 1938) |
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| sylvaine deltour French canoeist, FR (b. 1953) |
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| isabelle deltour researcher |
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