UK boy's name
Kio
An invented name of uncertain meaning or origin.
For 2026, the newest official UK baby-name figures on this page are from 2011. That release is the current official benchmark rather than a forecast.
Kio is a boy's name in the UK records. People looking for Kio popularity in 2026 should use the latest official release, which is 2011 in this profile. In that release it ranked #4647, with 3 babies registered with the name. Its strongest year in the published records was 2009, with 3 births.
This profile covers 6 England and Wales registrations across 2 recorded years from 2009 to 2011. 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 6 living people in the UK are called Kio. 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 2012 or 2026.
Key insights
- • Kio ranked #4647 for boys in England and Wales in 2011, with 3 registrations.
- • The name peaked in 2009, when 3 boys were registered as Kio.
- • About 6 living people in the UK are estimated to have Kio as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4647
2011
Births in 2011
3
Latest year
Peak year
2009
3 births
Estimated living
6
2026
Meaning
What does Kio mean?
The name Kio has its origins in the Japanese language and culture. It is believed to have derived from the Japanese word "kio," which means "reed" or "bamboo." This connection to nature and organic materials has contributed to the name's enduring appeal and symbolism.
Historically, the name Kio can be traced back to ancient Japanese texts and records, although its exact origins are not entirely clear. Some scholars suggest that the name may have been used as early as the 8th century during the Nara period in Japan, when the country's cultural and artistic traditions were deeply influenced by Chinese philosophy and aesthetics.
One of the earliest recorded examples of the name Kio comes from the 12th century, when a renowned Japanese poet and calligrapher named Kio Yoshida lived and worked. Yoshida was celebrated for his elegant and evocative waka poetry, which was widely admired during the Heian period of Japanese history.
In the 16th century, another notable figure named Kio Tsunenori emerged as a prominent samurai and military strategist. Tsunenori was known for his unwavering loyalty and his skill on the battlefield, serving under the powerful Tokugawa shogunate during the Sengoku period of civil war.
Moving forward in time, the name Kio gained further recognition in the 19th century with the birth of Kio Nagatsuka, a renowned Japanese scholar and educator. Nagatsuka was instrumental in modernizing Japan's educational system and introducing Western principles of teaching and learning.
In the 20th century, the name Kio was carried by Kio Kusaka, a celebrated Japanese artist known for his intricate and visually striking woodblock prints. Kusaka's works were highly sought after and exhibited internationally, helping to spread awareness of traditional Japanese art forms beyond the country's borders.
While the name Kio has its roots in Japanese culture, it has also been adopted and used in other parts of the world, particularly in regions with strong cultural ties to Japan or where Japanese names have gained popularity. However, its historical significance and connections to Japanese art, literature, and military traditions remain deeply intertwined with its cultural identity.
Sourced from namecensus.com.
Popularity
Kio over time
The chart below shows babies named Kio registered in England and Wales in the years where the name appears in the published records, from 2009 to 2011. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Kio, the clearest high point is 2009. The latest England and Wales figure is 3 births in 2011, compared with 3 at the peak.
Babies born per year
Decades
Kio by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kio 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 | #4647 | 3 | 1 |
| 2000s | #4527 | 3 | 1 |
Related
Names similar to Kio
- 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
Kio: questions and answers
How popular is the name Kio in the UK right now?
In 2011, Kio was ranked #4647 for boys in England and Wales, with 3 births registered.
When was Kio most popular?
The peak year on record was 2009, with 3 babies registered as Kio in England and Wales.
What is the meaning and origin of Kio?
An invented name of uncertain meaning or origin.
How many people are called Kio in the UK?
A total of 6 babies have been registered as Kio across the 2 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.