Cognomen Claybourn (Claybourn 
) , around the globe, is a rare last name. The last name Claybourn is habitual in the United Kingdom, where it is a rare surname, the United States, where it is a very rare surname, and New Zealand. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Canada. Very seldom, Claybourn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Claybourn | United Kingdom, Australia, United States, Canada, New Zealand |
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john geronald claybourn US (b. 1886) |
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| ephraim s. claybourn US (b. 1851) |
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joshua claybourn American attorney, author, and historian, US (b. 1981) |
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brian claybourn American football punter and placekicker, US (b. 1981) |
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| thomas m. claybourn researcher ORCID ID = 0000-0002-1216-1886 |
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Mr, Beth, Kaye, Keri, Paul, Ryan, Doug, Gary, Gina, Lane, Cody, Lona, John, Joan, Jody, Jeff, Tera, Tina, Edna, Irma, Mitch, Luke, Cole, Carl, Abby, Ms, Jo, Max, Ann, Ami, Amy, Ash, Bob, Ken, Guy, Jon, Jim, Ian, Mary, Mark, Matt, Sean, Skye, Alex, Alan, Anne, Shana, and Shawn