Boys' name · peaked in 2010
Cullen name popularity since 1925
16,222 babies born in the US from 1925 to 2025 were named Cullen (0.7% girls, 99.3% boys). Half of them were born in 2005 or earlier, so the typical Cullen is about 21 years old in 2026. Cullen peaked in 2010 as the #413 name for boys, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 16,222
- Named Cullen, 1925–2025
- In 2025
- Not top 1,000
- #1,108 for boys in 2025
- Girls / boys
- 99.3% boys
- 112 girls · 16,110 boys
- Most popular in
- Louisiana
- 3.74× its national share
Peak year is the year Cullen 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.
Cullen births per year, 1925–2025
2010 was the biggest year for Cullen both by count and as a share of all babies.
- Fastest rise: Between 1990 and 1995, Cullen became 2.6× more common, from 1 in 12,400 baby boys to 1 in 4,760.
- Steepest fall: Between 2019 and 2024, its share of baby boys fell by 52%, from 1 in 4,370 to 1 in 9,120.
Shaded on the chart. Both compare Cullen's share of all US boys five years apart, counting only years with at least 100 babies named Cullen.
Decade by decade
Babies named Cullen 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 | 152 | – |
| 1930s | 0 | 226 | #1,275 |
| 1940s | 0 | 231 | #1,546 |
| 1950s | 0 | 250 | #1,464 |
| 1960s | 0 | 323 | #1,731 |
| 1970s | 10 | 647 | #1,102 |
| 1980s | 20 | 1,183 | #908 |
| 1990s | 27 | 3,219 | #509 |
| 2000s | 11 | 3,240 | #728 |
| 2010s | 38 | 5,067 | #570 |
| 2020–25 | 6 | 1,572 | #1,108 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
37.8% of babies named Cullen from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Cullen is most popular
The index compares Cullen'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 Cullen.
| State | Index | Babies |
|---|---|---|
| Louisiana | 3.74× | 842 |
| Minnesota | 3.21× | 734 |
| Virginia | 1.94× | 548 |
| Wisconsin | 1.88× | 463 |
| Texas | 1.67× | 1,638 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Cullen's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Cullen.
Names from the same era
Other common names that peaked within two years of Cullen (2010).
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