NameCensus.

UK girl's name

Niamh

A feminine Irish name meaning radiant, bright, or luster.

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.

Niamh is a girl's name in the UK records. People looking for Niamh popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #193, with 251 babies registered with the name. Its strongest year in the published records was 2000, with 1,204 births.

This profile covers 20,347 England and Wales registrations across 29 recorded years from 1996 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, 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 21% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 27,919 living people in the UK are called Niamh. 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

  • Niamh ranked #193 for girls in England and Wales in 2024, with 251 registrations.
  • The name peaked in 2000, when 1,204 girls were registered as Niamh.
  • Niamh ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #47 in 2024.
  • About 27,919 living people in the UK are estimated to have Niamh as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#193

2024

Births in 2024

251

Latest year

Peak year

2000

1,204 births

Estimated living

27,919

2026

Meaning

What does Niamh mean?

The name Niamh is an ancient Irish Gaelic name derived from the old Irish word "niam" meaning "bright" or "radiant". It is believed to have originated in the 5th or 6th century AD, during the early medieval period in Ireland.

The name Niamh is strongly associated with Irish mythology and folklore. In the ancient Irish legend "The Pursuit of Diarmuid and Gráinne", Niamh is the name of a beautiful princess who falls in love with the warrior Diarmuid. She is described as a goddess-like figure of great beauty and grace.

One of the earliest recorded examples of the name Niamh is found in the 8th century Irish text "The Annals of Ulster", which mentions a woman named Niamh ingen Chumascaigh who died in the year 748 AD. Another early reference is in the 12th century "Book of Leinster", which contains a poem praising the beauty of a woman named Niamh.

Throughout history, the name Niamh has been borne by several notable individuals. Niamh ingen Fhionnghuine was an Irish princess and the wife of the High King of Ireland, Bodb Derg, in the 5th century AD. Niamh Ní Bhruadair was a 17th century Irish poet and writer who composed poems in the Irish language.

In the 19th century, Niamh was the name of a character in the play "The Twisting of the Rope" by Irish playwright Douglas Hyde. Niamh Kavanagh, born in 1968, is a contemporary Irish poet and writer who has published several collections of poetry.

Niamh Cusack, born in 1959, is an Irish actress known for her roles in films such as "In the Name of the Father" and "Heartbeat". She is also the sister of actors Sinéad Cusack and Sorcha Cusack.

Sourced from namecensus.com.

Popularity

Niamh over time

The chart below shows babies named Niamh registered in England and Wales in the years where the name appears in the published records, from 1996 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 Niamh, the clearest high point is 2000. The latest England and Wales figure is 251 births in 2024, compared with 1,204 at the peak.

Babies born per year

Niamh
03016029031K199620102024

Decades

Niamh by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Niamh 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 #161 1,576 5
2010s #102 5,667 10
2000s #58 10,101 10
1990s #80 3,003 4

Geography

Where Niamh is most common

The bars show the latest published local birth counts for Niamh. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Niamh ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #47 in 2024.

Scotland
54
Northern Ireland
37

Across the UK

Niamh in Scotland and Northern Ireland

Scotland (NRS)

#76 in 2024

37 years of NRS records, 4,239 total registered

Northern Ireland (NISRA)

#47 in 2024

28 years of NISRA records, 3,495 total registered

Notable bearers

Famous people named Niamh

  • Niamh Robenson

    cricketer

    Cricket player

    2009-

  • Niamh Murphy

    association football player

    Scottish footballer

    2003-

  • Niamh Sultana

    basketball player

    Welsh basketball player (born 2003)

    2003-

  • Niamh Ruddy

    association football player

    2000-

  • Niamh McGrady

    actor; stage actor

    Irish actress

    2000-

  • Niamh Emerson

    athletics competitor

    British heptathlete

    1999-

  • Niamh Charles

    association football player

    English footballer

    1999-

  • Niamh Blackshaw

    actor

    English actress

    1999-

Related

Names similar to Niamh

FAQ

Niamh: questions and answers

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

In 2024, Niamh was ranked #193 for girls in England and Wales, with 251 births registered.

When was Niamh most popular?

The peak year on record was 2000, with 1,204 babies registered as Niamh in England and Wales.

What is the meaning and origin of Niamh?

A feminine Irish name meaning radiant, bright, or luster.

How many people are called Niamh in the UK?

A total of 20,347 babies have been registered as Niamh across the 29 years of ONS England & Wales records shown here, plus 4,239 more in Scotland and 3,495 in Northern Ireland.

Where is Niamh most common?

In the latest published local rankings, Niamh ranks best in Northern Ireland, where it placed #47 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.

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.