Jennica is a distinctive girls' name in United States, ranking #2940 in 2001 with 49 recorded births. This places Jennica in the top 16% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 59 births ranking #2687. In 2001, approximately 1 in every 36,746 girls born was named Jennica. FALLING Recent data shows the name is currently falling.