Jennalyn is a distinctive girls' name in United States, ranking #5630 in 2011 with 24 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 140.0%. In 2011, approximately 1 in every 73,284 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.