Jennessa is a distinctive girls' name in United States, ranking #6625 in 2000 with 16 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 166.7%. In 2000, approximately 1 in every 113,498 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.