Family name Gunsalus (Gunsalus 
) , in the entire world, is a rare last name. The last name Gunsalus is habitual in the United States, where it is a very rare surname, Canada, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Gunsalus | Brazil, Canada, United States |
| i. c. gunsalus American biochemist, US (b. 1912) |
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| kearney gunsalus researcher |
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| robert p gunsalus researcher |
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| c. k. gunsalus researcher |
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| kristin c gunsalus researcher |
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Ann, Dale, Dawn, Doug, Gary, Gail, Gene, Gina, Luis, Jack, Ryan, Jake, Jess, Jean, Judy, Teri, Tina, Timo, Neil, Eric, Earl, John, Wade, Russ, Reed, Kim, Dan, Don, Lee, Tom, Tim, Mary, Mark, Seth, Rick, Anna, Bert, Beth, Boyd, Bill, Kari, Paul, Phil, Rose, Ross, Cody, and Maria