Jennalyn is a distinctive girls' name in United States, ranking #5928 in 2001 with 19 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 90.0%. In 2001, approximately 1 in every 94,766 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.