Girls' name · peaked in 2018
Hadley name popularity since 1925
48,446 babies born in the US from 1925 to 2025 were named Hadley (96.2% girls, 3.8% boys). Half of them were born in 2016 or earlier, so the typical Hadley is about 10 years old in 2026. Hadley peaked in 2018 as the #104 name for girls, and it ranked #121 in 2025.
Key facts
- US babies since 1925
- 48,446
- Named Hadley, 1925–2025
- In 2025
- #121
- for girls in 2025 (2,254 babies)
- Girls / boys
- 96.2% girls
- 46,595 girls · 1,851 boys
- Most popular in
- Utah
- 3.12× its national share
Peak year is the year Hadley 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.
Hadley births per year, 1925–2025
The biggest year by count was 2014. Measured as a share of all babies, Hadley peaked in 2018.
- Fastest rise: Between 2008 and 2013, Hadley became 4× more common, from 1 in 2,460 baby girls to 1 in 620.
Shaded on the chart. This compares Hadley's share of all US girls five years apart, counting only years with at least 100 babies named Hadley.
Decade by decade
Babies named Hadley 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 | 99 | – |
| 1930s | 0 | 134 | Under 5 |
| 1940s | 0 | 123 | Under 5 |
| 1950s | 0 | 103 | Under 5 |
| 1960s | 43 | 88 | #6,057 |
| 1970s | 192 | 72 | #3,194 |
| 1980s | 342 | 125 | #3,651 |
| 1990s | 1,199 | 194 | #1,523 |
| 2000s | 4,941 | 381 | #625 |
| 2010s | 25,483 | 388 | #103 |
| 2020–25 | 14,395 | 144 | #121 |
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
71.5% of babies named Hadley from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Hadley is most popular
The index compares Hadley'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 Hadley.
| State | Index | Babies |
|---|---|---|
| Utah | 3.12× | 1,212 |
| Idaho | 2.87× | 521 |
| North Dakota | 2.81× | 404 |
| Montana | 2.62× | 350 |
| South Dakota | 2.41× | 351 |
Other spellings
Spellings that sound like Hadley 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 |
|---|---|---|
| Hadley (this page) | 46,595 | 2018 |
| Hadlee | 5,234 | 2021 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Hadley's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Hadley.
Names from the same era
Other common names that peaked within two years of Hadley (2018).
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