Surname Leffel (Leffel 
) , all over the world, is quite a rare cognomen. The cognomen Leffel is habitual in the United States, where it is a rare surname, Israel, and New Zealand. Not in comparison with a country's population, it is the most numerous in the United States, Brazil, and Israel. Much less frequently, Leffel is the forename as well as the last name.
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james leffel American inventor and industrialist, US (b. 1806) |
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| mike leffel college basketball player (1968–1970) Dayton |
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| benjamin leffel researcher, ORCID id # 0000-0002-2789-0977 |
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| timothy leffel researcher |
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| gregory p. leffel |
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