Family name Lightbourn (Lightbourn 
) , in the entire world, is a rare cognomen. The cognomen Lightbourn is habitual in Bahamas, where it is quite a common surname, Bermuda, where it is quite a rare surname, and Jamaica, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Bahamas, and Mexico.
| VARIANT | COUNTRY |
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| Lightbourn | Jamaica, Spain, United States, Mexico, Bahamas |
| godfrey lightbourn Bahamian sailor (1930-2013), BS (b. 1930) |
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| kellie lightbourn American model and television host, US (b. 1974) |
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| luis lightbourn researcher (ORCID 0000-0001-8437-2909) |
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| casey o lightbourn researcher |
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| lillian lightbourn |
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| dylan lightbourn Bahamian footballer, BS (b. 1996) |
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Ed, Gary, Greg, Luis, Jane, Jose, John, Joan, Joel, Jean, Dawn, Tara, Edna, Ivar, Walt, Ward, Maria, Marva, Maida, Sandy, Sarah, Elsa, Dana, Deta, Ryan, Sal, Sam, Amy, Pau, Dee, Tim, Ena, Ira, Mary, Mark, Mike, Sara, Alex, Anne, Asha, Avis, Kent, Kiki, Paul, Rose, Rita, Samoy, and Shane