Family name Híjar (Híjar 
) , globally, is a very rare cognomen. The last name Híjar is habitual in Peru, where it is a very rare surname, Spain, and Mexico.
| VARIANT | COUNTRY |
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| Híjar | Canada, Spain, Mexico, United States, Peru |
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baltasar escrivá de híjar Spanish military personnel, ES (b. 1673) |
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| jaime francisco sarmiento de silva y fernández de híjar Spanish aristocrat (1625-1700), ES (b. 1625) |
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| agustín de silva y bernuy fernández de híjar ES (b. 1826) |
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| martha híjar researcher |
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| humberto híjar researcher |
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| margaret of híjar mistress of king Alfonso V of Aragon |
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| gabriel de híjar |
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