Cognomen Eyzaguirre (Eyzaguirre 
) , all around the world, is quite a common surname. The cognomen Eyzaguirre is characteristic of Seychelles, where it is quite a common surname, Bolivia, where it is quite a rare surname, and Peru. In absolute terms, the name is most common in Latin America and the Caribbean, particularly Peru, Bolivia, and Chile. Very seldom, Eyzaguirre is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Eyzaguirre | Chile, Bolivia, United States, Peru, Argentina |
Eizagirre, Eizaguirre, Izagirre, and Izaguirre
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agustin eyzaguirre President of Chile (1768-1837), CL (b. 1768) |
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jose ignacio eyzaguirre portales Chilean priest (1817-1875), CL (b. 1817) |
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sebastián eyzaguirre Chilean journalist, CL (b. 1901) |
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jaime eyzaguirre Chilean historian, CL (b. 1908) |
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luis eyzaguirre Chilean footballer, CL (b. 1939) |
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luis javier gonzales posada eyzaguirre Peruvian politician, PE (b. 1945) |
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nicolas eyzaguirre Chilean politician, CL (b. 1953) |
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| ramon munita eyzaguirre CL (b. 1901) |
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| josé maría eyzaguirre echeverría CL (b. 1911) |
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| carlos eyzaguirre Chilean surgeon and scientist, CL (b. 1923) |
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| roberto eyzaguirre American musician, US (b. 1923) |
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felipe riesco eyzaguirre CL (b. 1982) |
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| samuel fernández eyzaguirre CL (b. 1963) |
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| joaquín eyzaguirre |
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