Nellie is a moderately popular girls' name in England & Wales, ranking #101 in 2021 with 506 recorded births. The name reached its all-time peak in 2023 with 509 births ranking #97. Since 1996, the popularity has increased by 7,128.6%. In 2021, approximately 1 in every 542 girls born was named Nellie. STABLE Recent data shows the name is currently stable.