What does Isabelle mean?
Isabelle \i-sa-belle, isab(el)-le\ as a girls' name. Isabelle's name origin is Hebrew, and the meaning of the name Isabelle is "God is my oath". Isabelle is a variation of Elizabeth (Hebrew). Isabelle is also a derivative of Isabel (Hebrew).
Isabelle has 16 more related variations via Elizabeth, Isabel: Babette, Belle▼, Chabeli, Esabeau, Isabeau, Isabela, Isabelita, Isabella, Isbel, Ishbel, Isobella, Izabella, Sabella, Sabelle, Ysabeau and Ysabella.
Isabelle is a very prominent first name for females (#611 out of 4276, Top 14%) and also a very prominent last name for both adults and children (#23300 out of 150436, Top 15%). (2000 U.S. Census)
Shown below is the baby name popularity of Isabelle for girls. Isabelle reached its apex rank of #79 in the U.S. in 2007, and is at #96 currently. (2014 Birth Statistics)
Below is a graphed comparison of the popularity of Isabelle and related names. Isabella (#4 last year), Elizabeth (#14), Isabel (#144), Izabella (#200), Isabela (#717), Izabelle, Isabell, Belle and Isobel are the popular variation forms of Isabelle (#96 last year) ranked in the Top 1000. These girl names were at the height of their popularity in the year 2006 (usage of 0.533%) and are somewhat less popular today (usage 0.4825%, down 9.5%), with the versions Isabell and Belle becoming less stylish. The most trendy birth names in this compilation are Isabelle (#96), Isabella (#4), Isabel (#144), Izabella (#200) and Isabela (#717), with Isabel, Isabella and Isabelle going through a rekindling in usage. (2014 Birth Statistics)