Jennalyn is a distinctive girls' name in United States, ranking #8667 in 2015 with 13 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 30.0%. In 2015, approximately 1 in every 137,281 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.