All over the world, Sicsu (Sicsu 
) is an extremely rare unknown gender first name. Much more prevalently, Sicsu is the last name as well as the forename.
Mr, Jean, Jeú, Elba, Elza, Eder, Edna, Eric, Enzo, Eude, Eber, Isac, Igor, Ione, Osni, Obed, Maria, Marta, Magna, Mauro, Misac, Sarah, Joã, Joao, Jose, Luan, Ms, Ana, Lea, Lia, Jeu, Eli, Eti, Ivo, Ian, Mery, Samir, Sara, Anna, Rosa, Rene, Rita, Ruth, Rute, Ryck, Davi, Lais, Luiz, Alda, and Saulo