Boys' name · peaked in 1962
Jeff name popularity since 1925
116,049 babies born in the US from 1925 to 2025 were named Jeff. Half of them were born in 1962 or earlier, so the typical Jeff is about 64 years old in 2026. Jeff peaked in 1962 as the #44 name for boys, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 116,049
- Named Jeff, 1925–2025
- In 2025
- Not top 1,000
- #3,342 for boys in 2025
- Girls / boys
- 99.8% boys
- 263 girls · 115,786 boys
- Most popular in
- Iowa
- 2.12× its national share
Peak year is the year Jeff 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.
Jeff births per year, 1925–2025
The biggest year by count was 1961. Measured as a share of all babies, Jeff peaked in 1962.
- Fastest rise: Between 1954 and 1959, Jeff became 7.6× more common, from 1 in 2,090 baby boys to 1 in 276.
- Steepest fall: Between 1970 and 1975, its share of baby boys fell by 64%, from 1 in 645 to 1 in 1,770.
Shaded on the chart. Both compare Jeff's share of all US boys five years apart, counting only years with at least 100 babies named Jeff.
Decade by decade
Babies named Jeff 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 | 10 | 891 | – |
| 1930s | 5 | 1,522 | #484 |
| 1940s | 0 | 5,909 | #249 |
| 1950s | 39 | 24,920 | #182 |
| 1960s | 147 | 62,072 | #62 |
| 1970s | 35 | 12,249 | #234 |
| 1980s | 27 | 3,787 | #441 |
| 1990s | 0 | 1,890 | #881 |
| 2000s | 0 | 1,518 | #1,219 |
| 2010s | 0 | 770 | #2,004 |
| 2020–25 | 0 | 258 | #3,342 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
61.0% of babies named Jeff from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Jeff is most popular
The index compares Jeff'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 Jeff.
| State | Index | Babies |
|---|---|---|
| Iowa | 2.12× | 3,061 |
| Oregon | 1.97× | 2,105 |
| Washington | 1.93× | 3,670 |
| Montana | 1.80× | 600 |
| Utah | 1.80× | 1,745 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Jeff's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Jeff.
Names from the same era
Other common names that peaked within two years of Jeff (1962).
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