Jaydalyn is a distinctive girls' name in United States, ranking #13611 in 2005 with 7 recorded births. This places Jaydalyn in the bottom 29% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 11 births ranking #10065. In 2005, approximately 1 in every 263,957 girls born was named Jaydalyn. FALLING Recent data shows the name is currently falling.