UK name, mostly boys
Kei
A unisex name of Japanese origin meaning "blessing" or "respect".
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Kei is mostly registered for boys in the UK records. People looking for Kei popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #5119, with 3 babies registered with the name. Its strongest year in the published records was 2006, with 8 births.
This profile covers 68 England and Wales registrations across 18 recorded years from 1996 to 2024. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 38% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 67 living people in the UK are called Kei. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.
Key insights
- • Kei ranked #5119 for boys in England and Wales in 2024, with 3 registrations.
- • The name peaked in 2006, when 8 boys were registered as Kei.
- • About 67 living people in the UK are estimated to have Kei as a first name, after adjusting past birth registrations with ONS life tables.
- • Across the England and Wales records shown here, 95.8% of Kei registrations are for boys.
Latest rank (E&W)
#5119
2024
Births in 2024
3
Latest year
Peak year
2006
8 births
Estimated living
67
2026
Gender
Boy and girl registrations for Kei
In England and Wales birth records, Kei has been registered for both boys and girls. Across the years shown here, 95.8% of registrations are for boys and 4.2% are for girls.
These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.
Kei registered for boys
- Ranked #5,119 in 2024
- 3 boys registered in 2024
- Peak: 2006 (8 births)
Kei registered for girls
- Ranked #3,900 in 1999
- 3 girls registered in 1999
- Peak: 1999 (3 births)
Meaning
What does Kei mean?
The name Kei has its origins in Japanese culture, tracing back to the Heian period (794-1185 CE). It is derived from the Japanese word "kei," which means "respectful" or "reverent." The name was initially given to individuals who displayed a deep sense of respect and reverence, particularly within the Buddhist tradition.
During the Heian period, the name Kei appeared in several historical records and literary works. One notable example is the "Genji Monogatari," a masterpiece of Japanese literature written by Murasaki Shikibu in the early 11th century. In this work, a character named Kei is mentioned, indicating the name's usage during that time.
The earliest recorded individual with the name Kei is Kei no Tsunenori, a prominent Japanese poet and nobleman who lived from 1170 to 1259. He was a member of the influential Fujiwara clan and served as a court official during the Kamakura period. Kei no Tsunenori's poetry was highly regarded, and his works were included in several imperial anthologies.
Another notable figure in history with the name Kei was Kei Tuan, a Chinese philosopher and educator who lived from 497 to 569 CE during the Northern and Southern Dynasties period. He is known for his influential work, "The Classic of Family Reverence," which emphasized the importance of filial piety and respect for elders.
In the realm of Buddhist history, Kei Shun, a Japanese Zen monk and calligrapher, left a significant mark. Born in 1428 and living until 1505, Kei Shun was renowned for his mastery of the art of calligraphy and his contributions to the Rinzai school of Zen Buddhism.
Kei Nishikori, a Japanese professional tennis player born in 1989, is a contemporary figure who carries the name Kei. He has achieved notable success on the ATP Tour, reaching a career-high ranking of No. 4 in the world and winning multiple titles.
Lastly, Kei Kumai, a Japanese actor and singer born in 1976, has made a name for himself in the entertainment industry. He is best known for his roles in various television dramas and films, as well as his successful music career spanning several albums and singles.
Sourced from namecensus.com.
Popularity
Kei over time
The chart below compares boys and girls registered as Kei in England and Wales, from 1996 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Kei, the clearest high point is 2006. The latest England and Wales figure is 3 births in 2024, compared with 8 at the peak.
Babies born per year
Decades
Kei by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kei was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #4405 | 11 | 3 |
| 2010s | #4300 | 18 | 5 |
| 2000s | #3550 | 27 | 7 |
| 1990s | #2460 | 12 | 3 |
Related
Names similar to Kei
- Kieran 30,429
- Kyle 28,463
- Kai 24,432
- Kian 17,666
- Kayden 8,305
- Kevin 7,927
- Kane 7,149
- Kaiden 5,762
- Kieron 4,547
- Kacper 4,366
- Kye 4,012
- Kit 3,529
FAQ
Kei: questions and answers
How popular is the name Kei in the UK right now?
In 2024, Kei was ranked #5119 for boys in England and Wales, with 3 births registered.
When was Kei most popular?
The peak year on record was 2006, with 8 babies registered as Kei in England and Wales.
What is the meaning and origin of Kei?
A unisex name of Japanese origin meaning "blessing" or "respect".
How many people are called Kei in the UK?
A total of 68 babies have been registered as Kei across the 18 years of ONS England & Wales records shown here.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.