Girls' name · peaked in 2014
Ainsley name popularity since 1925
20,896 babies born in the US from 1925 to 2025 were named Ainsley (98.0% girls, 2.0% boys). Half of them were born in 2012 or earlier, so the typical Ainsley is about 14 years old in 2026. Ainsley peaked in 2014 as the #337 name for girls, and it ranked #483 in 2025.
Key facts
- US babies since 1925
- 20,896
- Named Ainsley, 1925–2025
- In 2025
- #483
- for girls in 2025 (621 babies)
- Girls / boys
- 98.0% girls
- 20,470 girls · 426 boys
- Most popular in
- Colorado
- 2.05× its national share
Peak year is the year Ainsley 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.
Ainsley births per year, 1925–2025
2014 was the biggest year for Ainsley both by count and as a share of all babies.
- Fastest rise: Between 1999 and 2004, Ainsley became 6.8× more common, from 1 in 16,300 baby girls to 1 in 2,400.
- Steepest fall: Between 2019 and 2024, its share of baby girls fell by 37%, from 1 in 2,570 to 1 in 4,060.
Shaded on the chart. Both compare Ainsley's share of all US girls five years apart, counting only years with at least 100 babies named Ainsley.
Decade by decade
Babies named Ainsley in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 0 | 10 | Under 5 |
| 1960s | 17 | 11 | #6,546 |
| 1970s | 99 | 39 | #5,164 |
| 1980s | 355 | 69 | #3,085 |
| 1990s | 814 | 48 | #1,920 |
| 2000s | 6,367 | 97 | #440 |
| 2010s | 8,961 | 105 | #338 |
| 2020–25 | 3,857 | 47 | #483 |
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
48.9% of babies named Ainsley from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Ainsley is most popular
The index compares Ainsley'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 Ainsley.
| State | Index | Babies |
|---|---|---|
| Colorado | 2.05× | 480 |
| Kansas | 1.90× | 369 |
| Louisiana | 1.90× | 650 |
| Utah | 1.86× | 302 |
| Virginia | 1.86× | 797 |
Other spellings
Spellings that sound like Ainsley 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 |
|---|---|---|
| Ainsley (this page) | 20,470 | 2014 |
| Ainslee | 1,583 | 2017 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Ainsley's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Ainsley.
Names from the same era
Other common names that peaked within two years of Ainsley (2014).
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