Surname Margáin (Margáin 
) , around the world, is a very rare last name. The last name Margáin is habitual in Mexico, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Margáin | United States, Mexico |
| leopoldo blázquez margáin Mexican ambassador (1880-1950), MX (b. 1880) |
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| adriana margáin (b. 1952) |
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