In the world, Aquilin (Aquilin 
) is a very rare epicene first name. The forename Aquilin is habitual in Germany, where it is a very rare masculine name, and India, where it is an extremely rare dominantly feminine, but seldom boy's name. Likewise, Aquilin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Aquilin | Philippines, Tanzania, France, India, Germany |
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aquilin d'évreux Frankish bishop and hermit, FR (b. 620) |
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| aquilin julius caesar historian (1720-1792), AT (b. 1720) |
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| aquilin schad Austrian engraver (b. 1815) |
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| aquilin arents de beerteghem BE (b. 1849) |
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aquilin janssens de bisthoven Belgian curator, BE (b. 1915) |
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