UK boy's name
Kaian
A masculine name of Japanese origin meaning "young willow", "sea", or "forgiveness".
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.
Kaian is a boy's name in the UK records. People looking for Kaian popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #2921, with 7 babies registered with the name. Its strongest year in the published records was 2012, with 10 births.
This profile covers 118 England and Wales registrations across 19 recorded years from 2005 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 70% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 117 living people in the UK are called Kaian. 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
- • Kaian ranked #2921 for boys in England and Wales in 2024, with 7 registrations.
- • The name peaked in 2012, when 10 boys were registered as Kaian.
- • About 117 living people in the UK are estimated to have Kaian as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#2921
2024
Births in 2024
7
Latest year
Peak year
2012
10 births
Estimated living
117
2026
Meaning
What does Kaian mean?
The name Kaian is believed to have its origins in the Japanese language. It is a relatively modern name, with no known historical references in ancient texts or religious scriptures. The name is derived from the Japanese word "kai," which means "ocean" or "sea."
The earliest recorded example of the name Kaian can be traced back to the late 20th century in Japan. However, it is not a common name and has remained relatively rare throughout history. There are no famous historical figures with the first name Kaian that can be identified with certainty.
Despite its modern origins, the name Kaian has a certain poetic quality due to its association with the ocean. It evokes images of vast, open waters and the power and beauty of nature. The name may have been chosen by parents with a fondness for the sea or a desire to instill a sense of adventure and exploration in their child.
While there are no notable historical figures with the name Kaian, it is possible that some individuals have borne this name in recent times. However, due to its rarity, it is challenging to find reliable records or references to such individuals outside of personal accounts or local records.
It is worth noting that the name Kaian should not be confused with similar-sounding names from other cultures or languages, as its origins and meaning are distinct to the Japanese language and culture.
Sourced from namecensus.com.
Popularity
Kaian over time
The chart below shows babies named Kaian registered in England and Wales in the years where the name appears in the published records, from 2005 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 Kaian, the clearest high point is 2012. The latest England and Wales figure is 7 births in 2024, compared with 10 at the peak.
Babies born per year
Decades
Kaian by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kaian 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 | #3086 | 30 | 5 |
| 2010s | #2888 | 69 | 10 |
| 2000s | #3116 | 19 | 4 |
Related
Names similar to Kaian
- 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
Kaian: questions and answers
How popular is the name Kaian in the UK right now?
In 2024, Kaian was ranked #2921 for boys in England and Wales, with 7 births registered.
When was Kaian most popular?
The peak year on record was 2012, with 10 babies registered as Kaian in England and Wales.
What is the meaning and origin of Kaian?
A masculine name of Japanese origin meaning "young willow", "sea", or "forgiveness".
How many people are called Kaian in the UK?
A total of 118 babies have been registered as Kaian across the 19 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.