Jennica is a distinctive girls' name in United States, ranking #4376 in 2013 with 33 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has decreased by 28.3%. In 2013, approximately 1 in every 53,164 girls born was named Jennica. FALLING Recent data shows the name is currently falling.