Addalyn is a distinctive girls' name in United States, ranking #2194 in 2025 with 84 recorded births. This places Addalyn in the top 13% 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 259 births ranking #1030. In 2025, approximately 1 in every 19,134 girls born was named Addalyn. FALLING Recent data shows the name is currently falling.