Boys' name · peaked in 1992
Dillon name popularity since 1925
66,037 babies born in the US from 1925 to 2025 were named Dillon (1.6% girls, 98.4% boys). Half of them were born in 1998 or earlier, so the typical Dillon is about 28 years old in 2026. Dillon peaked in 1992 as the #73 name for boys, and it ranked #930 in 2025.
Key facts
- US babies since 1925
- 66,037
- Named Dillon, 1925–2025
- In 2025
- #930
- for boys in 2025 (253 babies)
- Girls / boys
- 98.4% boys
- 1,045 girls · 64,992 boys
- Most popular in
- Colorado
- 2.36× its national share
Peak year is the year Dillon 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.
Dillon births per year, 1925–2025
1992 was the biggest year for Dillon both by count and as a share of all babies.
- Fastest rise: Between 1987 and 1992, Dillon became 6.8× more common, from 1 in 2,670 baby boys to 1 in 395.
- Steepest fall: Between 2014 and 2019, its share of baby boys fell by 43%, from 1 in 2,440 to 1 in 4,260.
Shaded on the chart. Both compare Dillon's share of all US boys five years apart, counting only years with at least 100 babies named Dillon.
Decade by decade
Babies named Dillon 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 | 75 | – |
| 1930s | 0 | 123 | #2,160 |
| 1940s | 0 | 92 | #2,613 |
| 1950s | 0 | 76 | #3,033 |
| 1960s | 0 | 79 | #2,840 |
| 1970s | 0 | 483 | #1,243 |
| 1980s | 35 | 4,501 | #436 |
| 1990s | 178 | 32,661 | #122 |
| 2000s | 190 | 17,708 | #203 |
| 2010s | 326 | 7,170 | #448 |
| 2020–25 | 316 | 2,024 | #930 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
44.3% of babies named Dillon from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Dillon is most popular
The index compares Dillon'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 Dillon.
| State | Index | Babies |
|---|---|---|
| Colorado | 2.36× | 1,860 |
| Nevada | 2.36× | 538 |
| Idaho | 2.33× | 592 |
| Montana | 2.11× | 395 |
| Oklahoma | 2.00× | 1,667 |
Other spellings
Spellings that sound like Dillon 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 |
|---|---|---|
| Dillon (this page) | 64,992 | 1992 |
| Dillan | 6,994 | 1992 |
| Dillion | 3,655 | 1992 |
| Dyllon | 1,267 | 1992 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Dillon's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Dillon.
Names from the same era
Other common names that peaked within two years of Dillon (1992).
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