Jeilyn is a distinctive girls' name in United States, ranking #6919 in 2008 with 19 recorded births. This places Jeilyn in the top 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 24 births ranking #5540. In 2008, approximately 1 in every 99,511 girls born was named Jeilyn. STABLE Recent data shows the name is currently stable.