Jennessa is a distinctive girls' name in United States, ranking #5764 in 1999 with 18 recorded births. This places Jennessa in the top 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 200.0%. In 1999, approximately 1 in every 98,543 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.