Boys' name · peaked in 1991
Stefan name popularity since 1925
21,063 babies born in the US from 1925 to 2025 were named Stefan. Half of them were born in 1992 or earlier, so the typical Stefan is about 34 years old in 2026. Stefan peaked in 1991 as the #339 name for boys, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 21,063
- Named Stefan, 1925–2025
- In 2025
- Not top 1,000
- #1,023 for boys in 2025
- Girls / boys
- 99.8% boys
- 42 girls · 21,021 boys
- Most popular in
- Florida
- 1.88× its national share
Peak year is the year Stefan 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.
Stefan births per year, 1925–2025
1991 was the biggest year for Stefan both by count and as a share of all babies.
- Fastest rise: Between 1983 and 1988, Stefan became 2.2× more common, from 1 in 7,000 baby boys to 1 in 3,150.
- Steepest fall: Between 1997 and 2002, its share of baby boys fell by 45%, from 1 in 3,750 to 1 in 6,860.
Shaded on the chart. Both compare Stefan's share of all US boys five years apart, counting only years with at least 100 babies named Stefan.
Decade by decade
Babies named Stefan 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 | 44 | – |
| 1930s | 0 | 78 | #2,689 |
| 1940s | 0 | 262 | #1,488 |
| 1950s | 0 | 651 | #1,001 |
| 1960s | 0 | 1,642 | #616 |
| 1970s | 5 | 2,387 | #543 |
| 1980s | 31 | 4,016 | #414 |
| 1990s | 6 | 5,399 | #429 |
| 2000s | 0 | 2,520 | #800 |
| 2010s | 0 | 2,590 | #800 |
| 2020–25 | 0 | 1,432 | #1,023 |
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 Stefan from 1925 to 2025 were born in the Millennial years (1981–1996). The full split by generation:
Where Stefan is most popular
The index compares Stefan'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 Stefan.
| State | Index | Babies |
|---|---|---|
| Florida | 1.88× | 1,184 |
| New York | 1.74× | 2,294 |
| Colorado | 1.70× | 364 |
| Washington | 1.69× | 492 |
| New Jersey | 1.61× | 769 |
Other spellings
Spellings that sound like Stefan 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 |
|---|---|---|
| Stefan (this page) | 21,021 | 1991 |
| Stefon | 1,715 | 1995 |
| Steffan | 1,405 | 1994 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Stefan's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Stefan.
Names from the same era
Other common names that peaked within two years of Stefan (1991).
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