Jocellyn is a distinctive girls' name in United States, ranking #13052 in 2003 with 7 recorded births. This places Jocellyn in the bottom 29% 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 12 births ranking #9821. In 2003, approximately 1 in every 261,007 girls born was named Jocellyn. FALLING Recent data shows the name is currently falling.