Around the globe, Heierman (Heierman 
) is an extremely rare unknown gender first name. Much more frequently, Heierman is the last name as well as the forename.
Ed, Doris, Linda, James, Jason, Jodie, Jerri, Nancy, Edwin, Emily, Marcus, Meertje, Sheila, Amanda, Carwin, Parris, Philip, Robert, Daniel, Donald, Gustav, Gerald, Donna, David, Roger, Kevin, Amy, Jim, Tim, Mary, Mike, Sean, Alec, Karl, Keri, Lars, Jarrod, Jana, Mikki, Shawn, Sunny, Susan, Stacy, Scott, Carry, Carol, Bette, Kathy, John, and Tamara