Jennefer is a distinctive girls' name in United States, ranking #5524 in 1999 with 19 recorded births. The name reached its all-time peak in 1997 with 25 births ranking #4278. Since 1996, the popularity has decreased by 20.8%. In 1999, approximately 1 in every 93,357 girls born was named Jennefer. FALLING Recent data shows the name is currently falling.