Jennica is a distinctive girls' name in United States, ranking #2482 in 1999 with 58 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has increased by 26.1%. In 1999, approximately 1 in every 30,582 girls born was named Jennica. FALLING Recent data shows the name is currently falling.