Isabela is the Portuguese and Spanish spelling of Isabella, the medieval Spanish and Italian form of Elizabeth, which goes back to the Hebrew Elisheva and means "my God is an oath" or "God is abundance". The single l makes it the form used in Brazil and in much of Latin America. In the United States Isabela has been in the top 1000 since 2000, peaked at number 442 in 2004 and ranks 664 in 2025.