The name reached its all-time peak in 2004 with 9 births ranking #7773. FALLING Recent data shows the name is currently falling.
Isabelle is a polished French form in the Elizabeth family with the meaning pledged to God. It feels elegant, feminine, and very refined.
The name has broad European use and remains especially admired for its balance of classic depth and stylish softness. It often appeals to parents who want something close to Isabella but a little more restrained.