UK boy's name
Kaiyo
A Japanese unisex name meaning "ocean" or "sea".
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.
Kaiyo is a boy's name in the UK records. People looking for Kaiyo 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 2024, with 3 births.
This profile covers 3 England and Wales registrations across 1 recorded years from 2024 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.
Kaiyo is at its recorded peak in the England and Wales series.
We estimate that about 3 living people in the UK are called Kaiyo. 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
- • Kaiyo ranked #5119 for boys in England and Wales in 2024, with 3 registrations.
- • The name peaked in 2024, when 3 boys were registered as Kaiyo.
- • About 3 living people in the UK are estimated to have Kaiyo as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#5119
2024
Births in 2024
3
Latest year
Peak year
2024
3 births
Estimated living
3
2026
Meaning
What does Kaiyo mean?
The name Kaiyo is of Japanese origin, derived from the words "kai" meaning "ocean" and "yo" meaning "generation" or "world." It is a relatively modern name, first appearing in the late 20th century, reflecting the growing interest in nature-inspired names in Japanese culture.
One of the earliest known individuals with the name Kaiyo was Kaiyo Hashimoto, a Japanese singer and actress born in 1988. She rose to prominence in the early 2000s as a member of the popular girl group Morning Musume and later pursued a successful solo career.
Another notable Kaiyo is Kaiyo Miyake, a Japanese professional surfer born in 1991. She has competed in various international surfing competitions and has been recognized for her skill and dedication to the sport.
In the field of literature, Kaiyo Kuronuma is a Japanese author and poet born in 1965. Her works often explore themes of nature, spirituality, and the human condition, reflecting the meaning of her name.
Kaiyo Takahashi, born in 1978, is a prominent Japanese architect known for her innovative and sustainable designs. Her work has been recognized with several awards and has been featured in various architectural publications.
Lastly, Kaiyo Suzuki, born in 1951, is a Japanese environmentalist and activist who has dedicated her life to protecting the oceans and marine ecosystems. She has been involved in numerous conservation efforts and has raised awareness about the importance of preserving our planet's natural resources.
While the name Kaiyo is relatively new and not as widely used as some other Japanese names, its connection to nature and the ocean has resonated with many parents in recent decades. Its unique sound and meaning have contributed to its growing popularity as a gender-neutral name in Japanese culture.
Sourced from namecensus.com.
Decades
Kaiyo by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kaiyo 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 | #5119 | 3 | 1 |
Related
Names similar to Kaiyo
- 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
Kaiyo: questions and answers
How popular is the name Kaiyo in the UK right now?
In 2024, Kaiyo was ranked #5119 for boys in England and Wales, with 3 births registered.
When was Kaiyo most popular?
The peak year on record was 2024, with 3 babies registered as Kaiyo in England and Wales.
What is the meaning and origin of Kaiyo?
A Japanese unisex name meaning "ocean" or "sea".
How many people are called Kaiyo in the UK?
A total of 3 babies have been registered as Kaiyo 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.