What does Ysabelle mean?
Ysabelle \ys(a)-belle, ysab(el)-le\ as a name for girls is of French origin. Ysabelle is a form of Ysabel (French): variant of Elizabeth (Hebrew) "God is my oath". Scarcely used as a name for newborns.
Ysabelle is an unusual given name for women. Ysabelle is also an unusual surname for both adults and children. (2000 U.S. Census)
Charted below is the birth name popularity of Ysabelle for girls. Ysabelle has not made it into the Top 1000 thus far. (2014 Birth Statistics)