NameCensus.

UK girl's name

Rheannon

A feminine name of Welsh origin meaning "sweet queen" or "great queen".

For 2026, the newest official UK baby-name figures on this page are from 2004. That release is the current official benchmark rather than a forecast.

Rheannon is a girl's name in the UK records. People looking for Rheannon popularity in 2026 should use the latest official release, which is 2004 in this profile. In that release it ranked #4598, with 3 babies registered with the name. Its strongest year in the published records was 2000, with 7 births.

This profile covers 32 England and Wales registrations across 7 recorded years from 1996 to 2004. 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 43% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 32 living people in the UK are called Rheannon. 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 2005 or 2026.

Key insights

  • Rheannon ranked #4598 for girls in England and Wales in 2004, with 3 registrations.
  • The name peaked in 2000, when 7 girls were registered as Rheannon.
  • About 32 living people in the UK are estimated to have Rheannon as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4598

2004

Births in 2004

3

Latest year

Peak year

2000

7 births

Estimated living

32

2026

Meaning

What does Rheannon mean?

The name Rheannon is believed to have originated from the Welsh language, with its roots tracing back to the medieval period. It is derived from the Welsh word "rhiannon," which means "great queen" or "divine queen." This name was closely associated with the Welsh mythological figure, Rhiannon, who was a prominent character in the Mabinogion, a collection of medieval Welsh tales.

In the Mabinogion, Rhiannon was portrayed as a powerful and enchanting figure, often depicted as a goddess or a queen. Her name was associated with sovereignty, fertility, and the divine feminine. The name Rheannon was likely adopted as a tribute to this legendary figure, reflecting the admiration and reverence held for her in Welsh mythology.

One of the earliest recorded instances of the name Rheannon can be found in the 12th century, when it appeared in medieval Welsh literature. Throughout the centuries, the name has been passed down through various generations, with slight variations in spelling, such as Rhiannon, Rhiann, or Rhianon.

Historically, several notable figures have borne the name Rheannon. One of the most famous was Rheannon Courtney (1609-1670), an English historian and writer who authored several works on the history of Wales. Another prominent figure was Rheannon Gwynne (1768-1834), a Welsh poet and translator known for her contributions to the preservation of Welsh literature and culture.

In the 19th century, Rheannon Williams (1822-1901) was a prominent Welsh educator and advocate for women's rights. She played a vital role in establishing educational opportunities for women in Wales during a time when such opportunities were limited.

More recently, Rheannon Sparrow (1932-2018) was a celebrated American artist and sculptor, renowned for her intricate and thought-provoking works that explored themes of spirituality and the human condition.

Another notable figure was Rheannon Linney (1945-2022), an American playwright and screenwriter whose works often explored complex social issues and the human experience. Her plays were widely acclaimed and performed on various stages across the United States.

Sourced from namecensus.com.

Popularity

Rheannon over time

The chart below shows babies named Rheannon registered in England and Wales in the years where the name appears in the published records, from 1996 to 2004. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Rheannon, the clearest high point is 2000. The latest England and Wales figure is 3 births in 2004, compared with 7 at the peak.

Babies born per year

Rheannon
02457199620002004

Decades

Rheannon by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Rheannon 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 #3077 16 3
1990s #3319 16 4

Related

Names similar to Rheannon

FAQ

Rheannon: questions and answers

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

In 2004, Rheannon was ranked #4598 for girls in England and Wales, with 3 births registered.

When was Rheannon most popular?

The peak year on record was 2000, with 7 babies registered as Rheannon in England and Wales.

What is the meaning and origin of Rheannon?

A feminine name of Welsh origin meaning "sweet queen" or "great queen".

How many people are called Rheannon in the UK?

A total of 32 babies have been registered as Rheannon across the 7 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.