Jennefer is a distinctive girls' name in United States, ranking #8745 in 2003 with 12 recorded births. The name reached its all-time peak in 1997 with 25 births ranking #4278. Since 1996, the popularity has decreased by 50.0%. In 2003, approximately 1 in every 152,254 girls born was named Jennefer. FALLING Recent data shows the name is currently falling.