NameCensus.

UK girl's name

Oni

A Japanese name meaning "demon" or "ogre" in folklore.

For 2026, the newest official UK baby-name figures on this page are from 2001. That release is the current official benchmark rather than a forecast.

Oni is a girl's name in the UK records. People looking for Oni popularity in 2026 should use the latest official release, which is 2001 in this profile. In that release it ranked #3262, with 4 babies registered with the name. Its strongest year in the published records was 2001, with 4 births.

This profile covers 4 England and Wales registrations across 1 recorded years from 2001 to 2001. 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.

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

We estimate that about 4 living people in the UK are called Oni. 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 2002 or 2026.

Key insights

  • Oni ranked #3262 for girls in England and Wales in 2001, with 4 registrations.
  • The name peaked in 2001, when 4 girls were registered as Oni.
  • About 4 living people in the UK are estimated to have Oni as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3262

2001

Births in 2001

4

Latest year

Peak year

2001

4 births

Estimated living

4

2026

Meaning

What does Oni mean?

The name Oni has its origins in the Japanese language and culture. It is derived from the Japanese word "oni," which means "demon" or "ogre" in English. This word has been used in Japanese folklore and mythology for centuries to refer to supernatural beings that were often depicted as monstrous, grotesque, or evil in nature.

In ancient Japanese texts and stories, the oni were often portrayed as powerful beings that could cause harm and destruction to humans. They were sometimes depicted as having horns, claws, and a frightening appearance. Some stories suggest that the oni were once human beings who had committed evil deeds in their lifetime and had transformed into these demonic creatures as a result.

One of the earliest recorded examples of the name Oni can be found in the Kojiki, an ancient Japanese chronicle that dates back to the early 8th century. In this text, there are references to various oni and their exploits. Another notable mention of the name is in the Nihon Shoki, another ancient Japanese chronicle from the 8th century, which contains stories and legends involving oni.

Throughout Japanese history, there have been several notable individuals who bore the name Oni. One such person was Oni no Kamuro, a female court attendant who served the Emperor Kammu in the late 8th century. Another notable figure was Oni no Mibu, a legendary samurai warrior who lived during the Kamakura period (1185-1333).

In the realm of Japanese literature, one of the most famous works featuring an oni is the Noh play "Tsuchigumo," which depicts a battle between a brave warrior and a powerful oni known as Tsuchigumo. This play is believed to have been written in the 14th or 15th century and is still performed today as part of the traditional Noh theater tradition.

Another notable person with the name Oni was Oni no Michikaze, a skilled archer who served under the famous shogun Minamoto no Yoritomo in the late 12th century. Oni no Michikaze was known for his exceptional archery skills and is said to have played a crucial role in several battles during the Genpei War.

In more recent times, there have been several Japanese artists and writers who have used the name Oni or incorporated oni into their works. For example, the Japanese writer and filmmaker Akira Kurosawa directed a film called "Oni no Naku Koro" (When the Oni Howls) in 1957, which explored themes of human nature and the struggle between good and evil.

Sourced from namecensus.com.

Decades

Oni by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Oni 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
2000s #3262 4 1

Related

Names similar to Oni

FAQ

Oni: questions and answers

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

In 2001, Oni was ranked #3262 for girls in England and Wales, with 4 births registered.

When was Oni most popular?

The peak year on record was 2001, with 4 babies registered as Oni in England and Wales.

What is the meaning and origin of Oni?

A Japanese name meaning "demon" or "ogre" in folklore.

How many people are called Oni in the UK?

A total of 4 babies have been registered as Oni 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.