In the entire world, Gaiss (Gaiss 
) is an extremely rare male given name. Much more frequently, Gaiss is the last name as well as the forename.
Mr, Jamie, Heinz, Martin, Shelby, Alfred, Austin, Laurie, Joseph, Joella, Tobias, Nicole, Michael, Stephen, Allison, Charles, Colleen, Bethany, Kaitlin, Kendall, Dolores, Herbert, Geoff, Donna, Diana, David, Al, Mary, Mark, Mike, Anne, Kait, Ryan, Gage, Jodi, June, Samantha, Tara, Hank, Maria, Sarah, Allie, Alyce, Betty, Brian, Bryzz, Randy, Ralph, Evan, and Randolph