Jennica is a distinctive girls' name in United States, ranking #4617 in 2011 with 31 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 32.6%. In 2011, approximately 1 in every 56,736 girls born was named Jennica. FALLING Recent data shows the name is currently falling.