Jennica is a distinctive girls' name in United States, ranking #3359 in 2004 with 45 recorded births. This places Jennica in the top 18% 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 2004, approximately 1 in every 40,803 girls born was named Jennica. FALLING Recent data shows the name is currently falling.