Family name Bortle (Bortle 
) , throughout the world, is a rare surname. The cognomen Bortle is characteristic of the United States, where it is a rare surname, Canada, where it is an extremely rare surname, and France.
| VARIANT | COUNTRY |
|---|---|
| Bortle | Canada, France, United States |
| john e. bortle American amateur astronomer |
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| frank e. bortle Ph.D. Iowa State University 1949 |
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Ed, Alma, Andy, Anna, Adam, Chad, Cade, Beth, Kate, Kaye, Kent, Kirk, Kyle, Rena, Ryan, Dana, Dave, Dale, Doug, Gary, Lisa, Lois, Alan, Alex, Sean, Suzi, Sam, Aly, Ann, Amy, Ada, Bud, Pat, Ray, Ron, Roy, Lynn, Deb, Don, Lee, Jay, Joe, Joy, Jeb, Jim, Flo, Mary, Mark, Dan, and Jack