Deklyn is a distinctive girls' name in United States, ranking #6259 in 2014 with 20 recorded births. This places Deklyn in the top 33% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 20 births ranking #6259. In 2014, approximately 1 in every 89,297 girls born was named Deklyn. FALLING Recent data shows the name is currently falling.