Isabelly is a distinctive girls' name in United States, ranking #7869 in 2007 with 16 recorded births. This places Isabelly in the top 38% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 16 births ranking #7869. In 2007, approximately 1 in every 120,153 girls born was named Isabelly. FALLING Recent data shows the name is currently falling.