Jennica is a distinctive girls' name in United States, ranking #4833 in 2014 with 29 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 37.0%. In 2014, approximately 1 in every 61,584 girls born was named Jennica. FALLING Recent data shows the name is currently falling.