UK boy's name
Koi
A Japanese word meaning "love" or "affection".
For 2026, the newest official UK baby-name figures on this page are from 2016. That release is the current official benchmark rather than a forecast.
Koi is a boy's name in the UK records. People looking for Koi popularity in 2026 should use the latest official release, which is 2016 in this profile. In that release it ranked #4810, with 3 babies registered with the name. Its strongest year in the published records was 2016, with 3 births.
This profile covers 3 England and Wales registrations across 1 recorded years from 2016 to 2016. 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.
Koi is at its recorded peak in the England and Wales series.
We estimate that about 3 living people in the UK are called Koi. 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 2017 or 2026.
Key insights
- • Koi ranked #4810 for boys in England and Wales in 2016, with 3 registrations.
- • The name peaked in 2016, when 3 boys were registered as Koi.
- • About 3 living people in the UK are estimated to have Koi as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4810
2016
Births in 2016
3
Latest year
Peak year
2016
3 births
Estimated living
3
2026
Meaning
What does Koi mean?
The name Koi is rooted in Japanese culture and has a rich historical lineage. Its origins can be traced back to the Japanese word "koi," which means "love" or "affection." This name gained prominence during the Edo period (1603-1868) in Japan, where it was often associated with the vibrant and symbolic koi fish.
In Japanese mythology, the koi fish is revered for its perseverance, as it is believed to have the ability to swim upstream against strong currents. This symbolic representation of strength and determination made the name Koi a popular choice for parents seeking to instill these qualities in their children.
One of the earliest recorded instances of the name Koi can be found in the historical chronicles of the Tokugawa Shogunate, where a renowned samurai warrior named Koi Masahiro (1587-1665) was celebrated for his bravery and loyalty on the battlefield. His name became synonymous with honor and courage, further cementing the name's significance in Japanese culture.
Throughout the centuries, several notable figures have borne the name Koi. One such individual was Koi Nagatsune (1601-1676), a skilled calligrapher and poet who left a lasting impact on the literary and artistic spheres of his time. His works are still studied and admired by scholars and art enthusiasts alike.
In the realm of Japanese theater, Koi Hisao (1712-1784) was a renowned Kabuki actor who captivated audiences with his exceptional talent and charismatic performances. His name became synonymous with the art of storytelling and the preservation of traditional Japanese culture.
During the Meiji era (1868-1912), Koi Yukiko (1835-1902) emerged as a pioneering educator and advocate for women's rights. Her tireless efforts in promoting education for girls and empowering women left an indelible mark on Japanese society.
Another notable figure bearing the name Koi was Koi Toshiyuki (1892-1968), a renowned architect who blended traditional Japanese design elements with modern architectural styles. His innovative creations, such as the Tokyo National Museum, remain iconic landmarks in Japan.
While the name Koi has its roots in Japanese culture, it has transcended borders and gained recognition worldwide. Its deep-rooted symbolism and historical significance continue to resonate with individuals seeking to connect with the values of perseverance, love, and cultural heritage.
Sourced from namecensus.com.
Decades
Koi by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Koi 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 |
|---|---|---|---|
| 2010s | #4810 | 3 | 1 |
Related
Names similar to Koi
- 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
Koi: questions and answers
How popular is the name Koi in the UK right now?
In 2016, Koi was ranked #4810 for boys in England and Wales, with 3 births registered.
When was Koi most popular?
The peak year on record was 2016, with 3 babies registered as Koi in England and Wales.
What is the meaning and origin of Koi?
A Japanese word meaning "love" or "affection".
How many people are called Koi in the UK?
A total of 3 babies have been registered as Koi across the 1 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.