Jennica is a distinctive girls' name in United States, ranking #2372 in 1997 with 56 recorded births. The name reached its all-time peak in 2003 with 59 births ranking #2687. Since 1996, the popularity has increased by 21.7%. In 1997, approximately 1 in every 31,083 girls born was named Jennica. FALLING Recent data shows the name is currently falling.