Girls' name · peaked in 2015
Adalyn name popularity since 1925
30,944 babies born in the US from 1925 to 2025 were named Adalyn. Half of them were born in 2017 or earlier, so the typical Adalyn is about 9 years old in 2026. Adalyn peaked in 2015 as the #132 name for girls, and it ranked #260 in 2025.
Key facts
- US babies since 1925
- 30,944
- Named Adalyn, 1925–2025
- In 2025
- #260
- for girls in 2025 (1,192 babies)
- Girls / boys
- 100.0% girls
- 30,944 girls · 0 boys
- Most popular in
- Utah
- 1.95× its national share
Peak year is the year Adalyn made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Adalyn births per year, 1925–2025
2015 was the biggest year for Adalyn both by count and as a share of all babies.
- Fastest rise: Between 2005 and 2010, Adalyn became 12× more common, from 1 in 16,400 baby girls to 1 in 1,400.
- Steepest fall: Between 2020 and 2025, its share of baby girls fell by 38%, from 1 in 836 to 1 in 1,350.
Shaded on the chart. Both compare Adalyn's share of all US girls five years apart, counting only years with at least 100 babies named Adalyn.
Decade by decade
Babies named Adalyn in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Rank |
|---|---|---|
| 1925–29 | 8 | – |
| 1930s | 5 | Under 5 |
| 1940s | 0 | Under 5 |
| 1950s | 0 | Under 5 |
| 1960s | 0 | Under 5 |
| 1970s | 0 | Under 5 |
| 1980s | 7 | Under 5 |
| 1990s | 85 | #7,520 |
| 2000s | 2,333 | #1,741 |
| 2010s | 18,846 | #132 |
| 2020–25 | 9,660 | #260 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
78.1% of babies named Adalyn from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Adalyn is most popular
The index compares Adalyn's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Adalyn.
| State | Index | Babies |
|---|---|---|
| Utah | 1.95× | 508 |
| Kentucky | 1.56× | 799 |
| North Carolina | 1.55× | 1,339 |
| Tennessee | 1.52× | 977 |
| Arizona | 1.49× | 590 |
Other spellings
Spellings that sound like Adalyn and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Adalyn (this page) | 30,944 | 2015 |
| Adalynn | 34,210 | 2018 |
| Adelyn | 23,378 | 2016 |
| Addalyn | 3,086 | 2016 |
| Adilyn | 2,417 | 2016 |
| Addalynn | 2,316 | 2016 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Adalyn's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Adalyn.
Names from the same era
Other common names that peaked within two years of Adalyn (2015).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data