Last name Menchaca (Menchaca 
) , all around the world, is a common cognomen. The cognomen Menchaca is characteristic of Latin America and the Caribbean, particularly Panama, where it is quite a common surname, Uruguay, and Mexico. Not in comparison with a country's population, it is commonest in Mexico, the United States, and Argentina. Much less frequently, Menchaca is the forename as well as the last name.
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| Menchaca | Mexico, Panama, United States, Argentina, Bolivia |
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fernando vazquez de menchaca Spanish jurist (1512–1569), ES (b. 1512) |
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| fernando gonzález de menchaca ES (b. 1718) |
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manuel vivanco menchaca Spanish politician, ES (b. 1834) |
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manuel menchaca Argentinian politician, AR (b. 1876) |
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jose francisco urrejola menchaca Chilean ambassador, politician and lawyer (1877-1946), CL (b. 1877) |
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| ángel menchaca Paraguayan–Argentine music theorist (b. 1855) |
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| enrique vivanco menchaca Spanish politician, ES (b. 1900) |
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| jenaro vivanco menchaca politician, ES (b. 1900) |
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| emilio vivanco menchaca politician, ES (b. 1900) |
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| lola menchaca ES (b. 1900) |
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penélope menchaca Mexican TV host, US (b. 1968) |
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| ernesto aramburu menchaca Peruvian architect (1920-2010), PE (b. 1920) |
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| antonio menchaca careaga Spanish novelist and poet (1921–2002), ES (b. 1921) |
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| dick menchaca American boxer, US (b. 1922) |
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marc menchaca American actor, US (b. 1975) |
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