Jennica is a distinctive girls' name in United States, ranking #3614 in 2005 with 41 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 10.9%. In 2005, approximately 1 in every 45,066 girls born was named Jennica. FALLING Recent data shows the name is currently falling.