Delsy is a distinctive girls' name in United States, ranking #17472 in 2011 with 5 recorded births. This places Delsy in the bottom 11% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 11 births ranking #10083. In 2011, approximately 1 in every 351,761 girls born was named Delsy. STABLE Recent data shows the name is currently stable.