Published U.S. birth records include this spelling as early as 1978. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Arwyn through the years
Babies since 1880
721
50 boys · 671 girls
Most popular year
2025
55 babies
2025
55
#3,399 for girls · #7,722 for boys
2021–25 vs 2016–20
+49%
Rising
Boys Girls
Arwyn in U.S. Social Security birth records, 1978–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
By the numbers
In 2025, this name appeared in 45 U.S. birth records for girls, ranking No. 3,399 among girls’ names. Average annual use for girls was 31.9% higher in 2021–2025 than in 2016–2020. It also appeared in 10 birth records for boys in 2025. Published U.S. population figures for this spelling include 514 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.