127,508births recorded
12Countries
2Variants
1962Peak · United States
#226Belgium 2025
Jeff is a boy name family recorded 127,508 times in 12 countries since 1880. It ranks highest today in Belgium (#226 in 2025). Its all-time peak was in the United States in 1962, at 234.1 births per 100,000. Elsewhere it is mostly given as Jef (Belgium).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Jeff
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Jeff | English | 120,502 | 🇺🇸 United States | #3314 | 1962 | ▼ 46 % |
| Jeff | English | 1,590 | 🇫🇷 France | #4561 | 1992 | ▼ 58 % |
| Jeff | English | 978 | 🇨🇦 Québec | – | 1988 | – |
| Jeff | English | 714 | 🇧🇪 Belgium | #974 | 2012 | ▼ 67 % |
| Jeff | English | 428 | 🇨🇦 Ontario | – | 1977 | – |
| Jeff | English | 121 | 🏴 England & Wales | – | 2010 | – |
| Jef | French | 2,635 | 🇧🇪 Belgium | #226 | 2001 | ▼ 29 % |
| Jef | French | 129 | 🇺🇸 United States | – | 1963 | – |
| Jef | French | 115 | 🇫🇷 France | – | 1990 | – |
How we grouped these names
- Jeff ↔ Jef — spelling variant
Questions about Jeff
How popular is the name Jeff?
In 2025 it ranked #226 in Belgium. Official registers record 127,508 births across 12 countries.
What is Jeff in other languages?
Jef (French).
When was Jeff most popular?
It peaked in the United States in 1962, at 234.1 births per 100,000.
Is Jeff a boy or a girl name?
In official birth registers, Jeff is a boy name.