In the entire world, Casro (Casro 
) is an extremely rare masculine first name. Much more prevalently, Casro is the last name as well as the forename.
Ana, Camilo, Jarvis, Joseph, Nicole, Eloise, Victor, Maryory, Septian, Carmen, Anselmo, Casiana, Balbino, Kenneth, Rosenda, Giovana, Liliana, Eufemia, Sebastiao, Aurelio, Carlos, Adrian, Sergio, Ero, Mary, Anna, Anne, Aiko, Raul, Luis, Jose, Juan, Olga, Yuyu, Maria, Mario, David, Diana, Laura, Edson, Vidal, Manuel, Angélica, and Miguel Angel