Surname Filloy (Filloy 
) , across the world, is a rare cognomen. The last name Filloy is habitual in Uruguay, where it is a rare surname, Costa Rica, and Spain. Measured by absolute frequency, it is the most numerous in Spain, Argentina, and Mexico. Very seldom, Filloy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Filloy | Costa Rica, Spain, Mexico, United States, Argentina |
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juan filloy Argentinian writer, AR (b. 1894) |
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ariel filloy Argentinian basketball player, AR (b. 1987) |
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| leo filloy Argentine pianist, AR (b. 1950) |
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| germán filloy Argentinian basketball player, AR (b. 1957) |
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| maría del carmen liñares filloy basque politician, ES |
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| eugenio filloy Ph.D. The University of Chicago 1970 |
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| alejandro filloy researcher |
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| demián filloy Argentinian basketball player, AR (b. 1982) |
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