In the world, Kerf (Kerf 
) is an extremely rare epicene first name. Much more frequently, Kerf is the last name as well as the forename.
Mr, Gino, Lili, Josh, Eric, Erik, Fred, Inge, Manon, Sandy, Samer, Siham, Serge, Chloe, Candy, Cathy, Kelly, Peter, Darin, David, Geert, Larry, Gary, Lukas, Dave, Abdo, Ms, Al, De, Sam, Pol, Raf, Rob, G M, Leo, Lea, Luc, Jos, Tom, Marc, Mary, Manu, Mike, Said, Simo, Anna, Anne, Paul, and Jauna