In the entire world, Hoertz (Hoertz 
) is an extremely rare unknown gender first name. Much more prevalently, Hoertz is the last name as well as the forename.
Mr, Brian, Karen, Kelly, Kelli, Ronda, David, Donna, Gayle, Glenn, Larry, Linda, Lidia, Lydia, James, Joerg, Terry, Emily, Frank, Wanda, Marcus, Margie, Audra, Amber, Angie, Alice, Rob, Roy, Jon, Mary, Sara, Kory, Keri, Kyle, Paul, Rosa, Sabine, Dale, Lana, Lisa, Lori, Lucy, John, Nick, Erik, Maria, Susie, Scott, Gene, and Alfred