Adelyn is a moderately popular girls' name in United States, ranking #355 in 2025 with 851 recorded births. The name reached its all-time peak in 2015 with 1,680 births ranking #196. Since 1996, the popularity has increased by 4,378.9%. In 2025, approximately 1 in every 1,889 girls born was named Adelyn. FALLING Recent data shows the name is currently falling.
Adelyn is a modern spelling variant in the Adeline family and carries the same noble meaning. It feels gentle, current, and highly recognisable.
The name rose as part of the larger trend towards updated vintage names with -lyn endings. Its success depends on a familiar sound and an easy modern look.