Addilyn is a distinctive girls' name in United States, ranking #2016 in 2007 with 101 recorded births. This places Addilyn in the top 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 1,040 births ranking #312. In 2007, approximately 1 in every 19,034 girls born was named Addilyn. FALLING Recent data shows the name is currently falling.