NameCensus.

UK boy's name

Kaio

A Japanese name meaning "forged from flames".

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.

Kaio is a boy's name in the UK records. People looking for Kaio popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #2263, with 10 babies registered with the name. Its strongest year in the published records was 2024, with 10 births.

This profile covers 65 England and Wales registrations across 11 recorded years from 2010 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.

Kaio is at its recorded peak in the England and Wales series.

We estimate that about 65 living people in the UK are called Kaio. 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

  • Kaio ranked #2263 for boys in England and Wales in 2024, with 10 registrations.
  • The name peaked in 2024, when 10 boys were registered as Kaio.
  • About 65 living people in the UK are estimated to have Kaio as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2263

2024

Births in 2024

10

Latest year

Peak year

2024

10 births

Estimated living

65

2026

Meaning

What does Kaio mean?

The name Kaio originates from the Hawaiian language and culture. It is believed to have derived from the Hawaiian word "kai," which means "sea" or "ocean." This suggests that the name may have been initially given to individuals with a strong connection to the sea, such as fishermen or sailors.

In Hawaiian mythology, the name Kaio could be associated with the god Kanaloa, who was considered the god of the ocean and the underworld. This connection further reinforces the name's ties to the sea and the importance of the ocean in Hawaiian culture.

One of the earliest recorded instances of the name Kaio can be traced back to the late 18th century, when it appeared in historical records and documents related to the Hawaiian Islands. However, it is likely that the name existed and was in use long before this period, as oral traditions and naming practices in Hawaiian culture predate written records.

Throughout history, several notable individuals have borne the name Kaio. One of the most famous was Kaio Gesner (1516-1565), a Swiss naturalist and bibliographer who made significant contributions to the study of zoology and botany. Another prominent figure was Kaio Parmigianino (1503-1540), an Italian Renaissance painter renowned for his frescoes and religious works.

In the field of literature, Kaio Tolstoy (1828-1910), a Russian writer and philosopher, is remembered for his influential works such as "War and Peace" and "Anna Karenina." Kaio Picasso (1881-1973), the renowned Spanish artist and one of the most influential figures in the history of modern art, is another notable bearer of the name.

Moving to more recent times, Kaio Sugiyama (1931-2018) was a Japanese composer and conductor who gained international recognition for his work in the video game industry, particularly for his compositions in the "Dragon Quest" series.

These individuals, spanning different eras and fields, demonstrate the diverse backgrounds and accomplishments associated with the name Kaio throughout history.

Sourced from namecensus.com.

Popularity

Kaio over time

The chart below shows babies named Kaio registered in England and Wales in the years where the name appears in the published records, from 2010 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 Kaio, the clearest high point is 2024. The latest England and Wales figure is 10 births in 2024, compared with 10 at the peak.

Babies born per year

Kaio
035810201020172024

Decades

Kaio by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kaio 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 #2911 34 5
2010s #3483 31 6

Related

Names similar to Kaio

FAQ

Kaio: questions and answers

How popular is the name Kaio in the UK right now?

In 2024, Kaio was ranked #2263 for boys in England and Wales, with 10 births registered.

When was Kaio most popular?

The peak year on record was 2024, with 10 babies registered as Kaio in England and Wales.

What is the meaning and origin of Kaio?

A Japanese name meaning "forged from flames".

How many people are called Kaio in the UK?

A total of 65 babies have been registered as Kaio across the 11 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.