Jennica is a distinctive girls' name in United States, ranking #3929 in 2000 with 32 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 30.4%. In 2000, approximately 1 in every 56,749 girls born was named Jennica. FALLING Recent data shows the name is currently falling.