Family name Iron (Ain 
, Iron 
, Aen ) , in the world, is a common surname. The last name Iron is habitual in South-eastern Asia, particularly Brunei, where it is quite a common surname, Malaysia, and Singapore, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and Pakistan. Likewise, Iron is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ain, Aen | India, Malaysia, Indonesia, Pakistan, Myanmar |
| Iron | India, Malaysia, Indonesia, Myanmar, Brazil |
| Железный | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
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henry v of iron Silesian duke (b. 1319) |
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iron shell Native American chief (b. 1816) |
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| iron jacket Native American leader, US (b. 1790) |
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iron tail Chief of the Lakota (b. 1842) |
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iron white man chief of the Oglala Sioux Nation of Pine Ridge, South Dakota and performer with the Buffalo Bill Wild West show (b. 1860) |
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| iron nation Lakota chief (b. 1815) |
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iron mountain baby American child, US (b. 1902) |
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iron eyes cody American actor, US (b. 1904) |
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| iron foot jack Australian nightclub owner (b. 1886) |
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| cat iron African American blues singer and guitarist, US (b. 1896) |
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| iron solomon American rapper, US (b. 1901) |
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| daniel iron Canadian film producer, CA (b. 1901) |
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| the duke of iron Trinidadian calypsonian, TT (b. 1906) |
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brandon iron Canadian pornographic actor & director, CA (b. 1968) |
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iron & wine American musician, US (b. 1974) |
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