In the entire world, Willkens (Willkens 
) is an extremely rare boy's forename. More prevalently, Willkens is the last name as well as the forename.
Ms, Robert, Ronald, Daniel, Dagmar, George, Joseph, Jessie, Thomas, Walter, Marilyn, Marjory, Matthew, Mattews, Michael, Shirley, Candace, Cameron, Barbara, Rebecca, Lillian, Mathilde, Rachel, Barbie, Michal, Josef, Dan, Tom, Mary, Matt, Sean, Anne, Kurt, John, Yuri, Megan, Cornelia, Sally, Craig, Becky, Kathy, Patti, Paige, Renee, David, Diane, Garen, Laura, Covey, and Benjamin