Adalyn is a moderately popular girls' name in United States, ranking #142 in 2021 with 1,921 recorded births. The name reached its all-time peak in 2015 with 2,456 births ranking #132. Since 1996, the popularity has increased by 15,908.3%. In 2021, approximately 1 in every 854 girls born was named Adalyn. FALLING Recent data shows the name is currently falling.