Izabelle is a variant spelling of Isabelle, the French form of Isabel, which developed in medieval Spain from Elizabeth and means "my God is an oath" or "God is abundance". The z-spelling is common in Poland and Hungary and was taken up in the United States when Isabella led the girls' charts. Izabelle ranked number 1856 in 2000, entered the top 1000 in 2007 and peaked at number 957 in 2008, and stands at number 2555 in 2025.