Around the globe, Deffes (Deffes 
) is an extremely rare unknown gender first name. Much more frequently, Deffes is the last name as well as the forename.
Mr, Susan, Alain, Ariel, April, Bryan, Karen, Pedro, Ralph, Retha, Debra, David, Donna, Doris, Louis, James, Jamie, Jason, Jonas, Jules, Tammy, Tonya, Misti, Megan, Melü, Merle, Ray, Luc, Ida, Zoe, Adam, Paul, Rose, Rita, Ryan, Leah, Terry, Lisa, John, Joan, Jody, Jean, Juan, Tara, Edna, Yves, Maria, Mauro, Jose, and Nikki