Jennessa is a distinctive girls' name in United States, ranking #6525 in 2002 with 17 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 183.3%. In 2002, approximately 1 in every 105,695 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.