Jennica is a distinctive girls' name in United States, ranking #2837 in 2002 with 53 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has increased by 15.2%. In 2002, approximately 1 in every 33,902 girls born was named Jennica. FALLING Recent data shows the name is currently falling.