Addelyn is a distinctive girls' name in United States, ranking #1432 in 2012 with 159 recorded births. This places Addelyn in the top 7% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 214 births ranking #1175. In 2012, approximately 1 in every 11,074 girls born was named Addelyn. STABLE Recent data shows the name is currently stable.