Delainy is a distinctive girls' name in United States, ranking #14745 in 1998 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 1998, approximately 1 in every 353,378 girls born was named Delainy. STABLE Recent data shows the name is currently stable.