Delainy is a distinctive girls' name in United States, ranking #15492 in 2025 with 5 recorded births. The name reached its all-time peak in 2006 with 15 births ranking #7978. Since 1996, the popularity has decreased by 16.7%. In 2025, approximately 1 in every 321,453 girls born was named Delainy. STABLE Recent data shows the name is currently stable.