Nelsy is a distinctive girls' name in United States, ranking #9721 in 2004 with 11 recorded births. The name reached its all-time peak in 2001 with 13 births ranking #8065. Since 1996, the popularity has increased by 120.0%. In 2004, approximately 1 in every 166,920 girls born was named Nelsy. FALLING Recent data shows the name is currently falling.