Dilynn is a distinctive girls' name in United States, ranking #3740 in 2011 with 41 recorded births. This places Dilynn in the top 19% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 41 births ranking #3740. In 2011, approximately 1 in every 42,898 girls born was named Dilynn. FALLING Recent data shows the name is currently falling.