Nnenna is a distinctive girls' name in United States, ranking #13805 in 2004 with 7 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6641. Since 1996, the popularity has decreased by 50.0%. In 2004, approximately 1 in every 262,303 girls born was named Nnenna. FALLING Recent data shows the name is currently falling.