Family name Oosterhoff (Oosterhoff 
) , around the globe, is quite a rare last name. The cognomen Oosterhoff is characteristic of Netherlands, where it is quite a rare surname, Canada, where it is a rare surname, and Australia. In absolute terms, it is the most numerous in Netherlands, Canada, and the United States.
| VARIANT | COUNTRY |
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| Oosterhoff | Switzerland, Australia, United States, Canada, Netherlands |
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pieter oosterhoff Dutch astronomer, NL (b. 1904) |
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luitzen johannes oosterhoff Dutch physicist, NL (b. 1907) |
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jan oosterhoff Dutch politician (1930-2010), NL (b. 1930) |
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| horace van gybland oosterhoff Dutch politician (1887-1937), NL (b. 1887) |
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| n.f.l. oosterhoff (b. 1878) |
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| atze oosterhoff Dutch politician, NL (b. 1906) |
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| tonnis oosterhoff Dutch Righteous Among the Nations, NL (b. 1909) |
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| hendrika oosterhoff Dutch Righteous Among the Nations, NL (b. 1911) |
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| berend jakob oosterhoff Dutch theologian, NL (b. 1915) |
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| jacobus oosterhoff Ph.D. Universiteit Leiden 1969, NL (b. 1933) |
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| jacob oosterhoff (b. 1924) |
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sam oosterhoff Canadian politician, CA (b. 1997) |
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| chris oosterhoff NL (b. 1942) |
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| menno oosterhoff NL (b. 1955) |
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| dinja oosterhoff researcher |
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