Globally, Debenham (Hām 
, Debenham 
) is a rare masculine first name. The given name Debenham is characteristic of Northern Africa, particularly Algeria, where it is a rare male name, Morocco, and Tunisia. More prevalently, Debenham is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Hām | Algeria, Tunisia, Morocco |
| Debenham | Canada, New Zealand, Australia, United States, United Kingdom |
Debenham is also a name for the fictitious and mythical characters: .
| sir piers kendrick debenham, 2nd bt. (1904-1964) (b. 1904) |
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| sir gilbert ridley debenham, 3rd bt. (1906-2001) (b. 1906) |
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| archibald ian scott debenham (1916-2006) (b. 1916) |
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| sir thomas adam debenham, 4th bt. (born 1971) (b. 1971) |
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| brock j debenham researcher ORCID ID = 0000-0003-1091-3658 |
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| sir gilbert debenham Peerage person ID=531211 |
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| sir gilbert debenham, of topcroft Abt 1405 - 10 May 1481 |
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| archibald scott debenham Peerage person ID=223927 |
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| bosworth ridley oriole acres debenham (born 1982) (b. 1982) |
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| branwell george kenrick acres debenham (born 1985) (b. 1985) |
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| phoenix sony oliver debenham (born 2010) |
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