Globally, Karns (Karns ) is an extremely rare masculine first name. Much more frequently, Karns is the last name as well as the forename.
Kearns
Mr, Rod, Ron, Roy, Rex, Rin, Deb, Ray, Dee, Don, Guy, Les, Lee, Lyn, Jan, Dan, Pam, Pat, Kim, Al, De, Tj, Ed, Mom, Meg, Sam, Sue, Ann, Amy, Ben, Bev, Bob, Kay, Ken, Jay, and Jon
) is an extremely rare masculine first name. Much more frequently, Karns is the last name as well as the forename.