Cognomen Gerdmann (Gerdmann 
) , across the world, is a very rare last name. The surname Gerdmann is habitual in the United States, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gerdmann | Germany, United States |
Ab, Joseph, Harold, Stephen, Anthony, Chrissy, Cambria, Barbara, Jessica, Jeffery, Timothy, Natalie, Mitchell, Chalonne, Claudyne, Kathleen, Patricia, Jennifer, Swanee, Elizabeth, Stacya, Wendy, Tim, Alex, Chad, Keli, Reed, Ryan, Lisa, Luke, Lynn, Susan, Stacy, Scott, Amber, Chris, Bryce, Elton, Ethan, Sandra, and Christopher