Around the world, Mankiw (Mankiw 
) is an extremely rare unknown gender given name. Much more prevalently, Mankiw is the last name as well as the forename.
Eva, Hector, Yesica, Conrado, Claudia, Bernice, Benigno, Kenneth, Nelida, Deborah, Gabriel, Gregory, Horacio, William, Nicholas, Margarita, Catherine, Dorothy, Priscilla, Debbie, Silvia, Mark, Sean, Alex, John, Juan, June, Olga, Rosing, Mauro, Diego, Lucas, Julia, Juana, Tatao, Matias, Morris, Peter, and Annie Jane