Nnenna is a distinctive girls' name in United States, ranking #6641 in 1996 with 14 recorded births. This places Nnenna in the top 42% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 14 births ranking #6641. In 1996, approximately 1 in every 125,212 girls born was named Nnenna. FALLING Recent data shows the name is currently falling.