NameCensus.

UK boy's name

Kotaro

A masculine Japanese name meaning "brilliant man" or "light of the son".

For 2026, the newest official UK baby-name figures on this page are from 2019. That release is the current official benchmark rather than a forecast.

Kotaro is a boy's name in the UK records. People looking for Kotaro popularity in 2026 should use the latest official release, which is 2019 in this profile. In that release it ranked #3937, with 4 babies registered with the name. Its strongest year in the published records was 2019, with 4 births.

This profile covers 4 England and Wales registrations across 1 recorded years from 2019 to 2019. 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.

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

We estimate that about 4 living people in the UK are called Kotaro. 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 2020 or 2026.

Key insights

  • Kotaro ranked #3937 for boys in England and Wales in 2019, with 4 registrations.
  • The name peaked in 2019, when 4 boys were registered as Kotaro.
  • About 4 living people in the UK are estimated to have Kotaro as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3937

2019

Births in 2019

4

Latest year

Peak year

2019

4 births

Estimated living

4

2026

Meaning

What does Kotaro mean?

The name Kotaro is of Japanese origin, derived from the words "ko" meaning "fragrance" or "incense" and "taro" meaning "eldest son." It is a masculine given name that has been in use for centuries in Japan.

Kotaro has its roots in the ancient Japanese tradition of using nature-inspired names, with the element "ko" representing the pleasant aroma of incense or fragrant plants. The name was often bestowed upon firstborn sons, as indicated by the "taro" component, emphasizing their importance and status within the family.

In Japanese folklore and literature, the name Kotaro appears in various tales and stories. One notable example is the legend of Kintaro, a young boy with extraordinary strength who was raised by mountain animals and later became a famous warrior. The name Kotaro is sometimes associated with this legendary figure, reflecting the qualities of strength, resilience, and a connection with nature.

The earliest recorded instances of the name Kotaro can be traced back to the Heian period (794-1185 CE) in Japan, when it was used among the aristocratic and samurai classes. Throughout Japanese history, several prominent individuals have borne the name Kotaro.

One of the earliest recorded figures with the name Kotaro was Minamoto no Kotaro (1142-1198), a samurai warrior and military strategist who played a crucial role in the Genpei War, a conflict between the Minamoto and Taira clans for control of Japan. He was renowned for his bravery and tactical acumen.

Another notable Kotaro was Hori Kotaro (1751-1828), a renowned Japanese Confucian scholar and educator. He established the Kobunji school, which focused on the study of ancient Japanese literature and philosophy, and contributed significantly to the preservation and promotion of traditional Japanese culture.

In the realm of arts and entertainment, Kotaro Satomi (1911-1985) was a celebrated Japanese actor and filmmaker. He appeared in numerous films, plays, and television productions, and is widely regarded as one of the most influential figures in Japanese cinema.

Kotaro Matsushita (1894-1935) was a pioneering Japanese chemist who made significant contributions to the field of crystallography. His research on X-ray diffraction techniques and crystal structure analysis laid the foundation for modern crystallography.

More recently, Kotaro Fukuma (1964-) is a renowned Japanese conductor and violinist. He has served as the principal conductor of prestigious orchestras, including the Osaka Philharmonic Orchestra, and is celebrated for his interpretations of both classical and contemporary repertoire.

Sourced from namecensus.com.

Decades

Kotaro by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kotaro 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 #3937 4 1

Related

Names similar to Kotaro

FAQ

Kotaro: questions and answers

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

In 2019, Kotaro was ranked #3937 for boys in England and Wales, with 4 births registered.

When was Kotaro most popular?

The peak year on record was 2019, with 4 babies registered as Kotaro in England and Wales.

What is the meaning and origin of Kotaro?

A masculine Japanese name meaning "brilliant man" or "light of the son".

How many people are called Kotaro in the UK?

A total of 4 babies have been registered as Kotaro 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.