Cognomen Hickam (Hickam 
) , worldwide, is quite a rare family name. The family name Hickam is habitual in the United States, where it is a rare surname, Canada, where it is a very rare surname, and France, where it is an extremely rare surname. Much less frequently, Hickam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hickam | Canada, France, United States, United Kingdom, Morocco |
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horace meek hickam US Army Air Corps officer (1885-1934), US (b. 1885) |
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homer hickam American author, Vietnam veteran, and NASA engineer, US (b. 1943) |
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| richard hickam (b. 1944) |
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| david h hickam researcher (ORCID 0000-0002-6589-7176) |
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| horace m. hickam group commander of the United States Army |
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| sarah hickam researcher |
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