Jennessa is a distinctive girls' name in United States, ranking #5512 in 2005 with 23 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 283.3%. In 2005, approximately 1 in every 80,335 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.