Save Gender Masculine Usage Spanish (Rare, Archaic), Medieval Spanish, Filipino Pronounced Pron. ee-sah-BEH-lo(Spanish) [key] Other Forms FormsIsabelo, Isabello, Ysabello, Bello, Belo, Elisabeto, etc. (Variants), Isabel, Isabela, Isabella, etc. (Feminine) Meaning & History Masculine form of Ysabel.