Jef vs Jeffrey
Side-by-side comparison of Jef and Jeffrey — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.
Which name is more popular?
| Metric | Jef | Jeffrey |
| Current Rank | Unranked | #521 |
| Total Births (all years) | 129 | 979,601 |
| Peak Year | 1963 | 1962 |
| Peak Year Births | 15 | 33,537 |
| Peak Decade | 1960ss | 1960ss |
| Gender | Boy | Boy |
| First Recorded Year | 1953 | 1885 |
Births by Decade
| Decade | Jef | Jeffrey |
| 1880ss | — | 5 |
| 1910ss | — | 147 |
| 1920ss | — | 263 |
| 1930ss | — | 903 |
| 1940ss | — | 34,340 |
| 1950ss | 31 | 184,668 |
| 1960ss | 71 | 302,029 |
| 1970ss | 27 | 202,850 |
| 1980ss | — | 144,789 |
| 1990ss | — | 66,987 |
| 2000ss | — | 25,918 |
| 2010ss | — | 12,746 |
| 2020ss | — | 3,956 |
Recent Annual Births (2014–present)
| Year | Jef | Jeffrey |
| 2014 | — | 1,380 |
| 2015 | — | 1,261 |
| 2016 | — | 1,173 |
| 2017 | — | 1,056 |
| 2018 | — | 1,016 |
| 2019 | — | 881 |
| 2020 | — | 794 |
| 2021 | — | 727 |
| 2022 | — | 681 |
| 2023 | — | 622 |
| 2024 | — | 588 |
| 2025 | — | 544 |