Boys' name · peaked in 2003
Aidan name popularity since 1925
121,158 babies born in the US from 1925 to 2025 were named Aidan (2.3% girls, 97.7% boys). Half of them were born in 2006 or earlier, so the typical Aidan is about 20 years old in 2026. Aidan peaked in 2003 as the #39 name for boys, and it ranked #326 in 2025.
Key facts
- US babies since 1925
- 121,158
- Named Aidan, 1925–2025
- In 2025
- #326
- for boys in 2025 (1,043 babies)
- Girls / boys
- 97.7% boys
- 2,727 girls · 118,431 boys
- Most popular in
- New Hampshire
- 2.14× its national share
Peak year is the year Aidan made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Aidan births per year, 1925–2025
2003 was the biggest year for Aidan both by count and as a share of all babies.
- Fastest rise: Between 1990 and 1995, Aidan became 7.8× more common, from 1 in 15,300 baby boys to 1 in 1,960.
- Steepest fall: Between 2008 and 2013, its share of baby boys fell by 63%, from 1 in 265 to 1 in 707.
Shaded on the chart. Both compare Aidan's share of all US boys five years apart, counting only years with at least 100 babies named Aidan.
Decade by decade
Babies named Aidan in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 5 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 0 | 21 | Under 5 |
| 1960s | 0 | 71 | #3,248 |
| 1970s | 13 | 172 | #2,205 |
| 1980s | 130 | 465 | #1,304 |
| 1990s | 612 | 8,783 | #282 |
| 2000s | 1,613 | 76,513 | #43 |
| 2010s | 287 | 25,446 | #185 |
| 2020–25 | 72 | 6,955 | #326 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000. "Under 5" means fewer than 5 boys got the name.
Generation fingerprint
78.5% of babies named Aidan from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Aidan is most popular
The index compares Aidan'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 Aidan.
| State | Index | Babies |
|---|---|---|
| New Hampshire | 2.14× | 807 |
| Nevada | 2.06× | 883 |
| Rhode Island | 1.87× | 796 |
| Alaska | 1.74× | 310 |
| Massachusetts | 1.68× | 4,783 |
Other spellings
Spellings that sound like Aidan and were given to at least 1,000 boys from 1925 to 2025, with the year each one was most popular.
| Spelling | Boys | Peak year |
|---|---|---|
| Aidan (this page) | 118,431 | 2003 |
| Aiden | 257,765 | 2011 |
| Aydan | 6,134 | 2008 |
| Aidyn | 4,240 | 2011 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Aidan's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Aidan.
Names from the same era
Other common names that peaked within two years of Aidan (2003).
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