Delainy is a distinctive girls' name in United States, ranking #10616 in 2010 with 10 recorded births. The name reached its all-time peak in 2006 with 15 births ranking #7978. Since 1996, the popularity has increased by 66.7%. In 2010, approximately 1 in every 177,733 girls born was named Delainy. STABLE Recent data shows the name is currently stable.