Family name Willmarth (Willmarth 
) , around the globe, is a rare last name. The surname Willmarth is habitual in the United States, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Canada. Much less frequently, Willmarth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Willmarth | Philippines, United States, Canada, Brazil, Venezuela |
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o. barlow willmarth American businessman (b. 1882) |
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| harriet m. willmarth American botanical collector, US (b. 1843) |
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| phil willmarth American magician (b. 1935) |
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| kirk b willmarth researcher |
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| nicole willmarth researcher (ORCID 0000-0002-6454-8396) |
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| william w. willmarth physicist and aeronautical engineer |
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Sue, Reba, Rick, Ryan, Dara, Dave, Dale, Dawn, Doug, Greg, Gina, Lara, Levi, Lexi, Lila, Lisa, Lynn, Lyle, Jack, John, Joel, Jean, Rory, Jeff, Paul, Beau, Ann, Amy, Bob, Ken, Pat, Ray, Don, Gay, Mary, Mark, Mina, Mike, Seth, Star, Alex, Anne, Adam, Chad, Caro, Cris, Beth, Kirk, and Judy