In the entire world, Gerch (Gerch 
) is an extremely rare unknown gender first name. More prevalently, Gerch is the last name as well as the forename.
Ann, Diane, Gerry, Larry, Linda, Loren, Lucas, Jamie, Jutta, Thilo, David, Nancy, Heiko, Irina, Obren, Shelly, Steven, Andrew, Angela, Claire, Kelsey, Emily, Debra, Rsccd, Peggy, Deb, Jas, Tom, Tim, Alex, Andy, Anja, Rita, Drew, Joan, Todd, Nick, Emma, Hans, Irma, Maria, Marie, Achim, Caryn, Brett, Bruce, Dieter, and Lilian