Across the world, Giessing (Giessing 
) is an extremely rare unknown gender first name. Much more prevalently, Giessing is the last name as well as the forename.
Mr, Sille, Simon, Andre, Chris, Carla, Cathy, Barto, Brian, Karen, Karli, Kaley, Kevin, Klaus, Polly, David, Doris, Grant, Laura, Leora, Linda, Lynne, Shana, Janet, Molly, Will, Ms, Bo, Ken, Don, Mark, Skip, Anne, Aage, Cara, Kodi, Phil, Ruan, Gary, Gail, Greg, Leah, Lisa, Jeff, Eric, Erla, Izak, Zach, and Johan