Jennica is a distinctive girls' name in United States, ranking #2687 in 2003 with 59 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has increased by 28.3%. In 2003, approximately 1 in every 30,967 girls born was named Jennica. FALLING Recent data shows the name is currently falling.