Jennessa is a distinctive girls' name in United States, ranking #5682 in 2001 with 20 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 233.3%. In 2001, approximately 1 in every 90,028 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.