Jennica is a distinctive girls' name in United States, ranking #5920 in 2015 with 22 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 52.2%. In 2015, approximately 1 in every 81,121 girls born was named Jennica. FALLING Recent data shows the name is currently falling.