Delainy is a distinctive girls' name in United States, ranking #7978 in 2006 with 15 recorded births. The name reached its all-time peak in 2006 with 15 births ranking #7978. Since 1996, the popularity has increased by 150.0%. In 2006, approximately 1 in every 126,738 girls born was named Delainy. STABLE Recent data shows the name is currently stable.