1,419births recorded
5Countries
3Variants
2014Peak · Switzerland
#5809France 2025
Kei is a boy name family recorded 1,419 times in 5 countries since 1920. It ranks highest today in France (#5809 in 2025). Its all-time peak was in Switzerland in 2014, at 7.4 births per 100,000. Elsewhere it is mostly given as Qi (England & Wales, Argentina).
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 Kei
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Kei | English | 837 | 🇺🇸 United States | #6143 | 2015 | ▼ 61 % |
| Kei | English | 55 | 🇫🇷 France | #5809 | 2021 | ▲ 27 % |
| Kei | English | 18 | 🏴 England & Wales | – | 2006 | – |
| Kei | English | 5 | 🇨🇭 Switzerland | – | 2014 | – |
| Khi | English | 391 | 🇺🇸 United States | #8243 | 2015 | ▼ 73 % |
| Qi | Spanish | 43 | 🇦🇷 Argentina | – | 1963 | – |
| Qi | Spanish | 38 | 🇺🇸 United States | – | 2002 | – |
| Qi | Spanish | 27 | 🏴 England & Wales | – | 2005 | – |
| Qi | Spanish | 5 | 🇫🇷 France | – | 2014 | – |
Questions about Kei
How popular is the name Kei?
In 2025 it ranked #5809 in France. Official registers record 1,419 births across 5 countries.
What is Kei in other languages?
Khi (English); Qi (Spanish).
When was Kei most popular?
It peaked in Switzerland in 2014, at 7.4 births per 100,000.
Is Kei a boy or a girl name?
In official birth registers, Kei is a boy name.