NameCensus.

UK boy's name

Diarmaid

For 2026, the newest official UK baby-name figures on this page are from 2002. That release is the current official benchmark rather than a forecast.

Diarmaid is a boy's name in the UK records. People looking for Diarmaid popularity in 2026 should use the latest official release, which is 2002 in this profile. In that release it ranked #2254, with 5 babies registered with the name. Its strongest year in the published records was 2002, with 5 births.

This profile covers 5 England and Wales registrations across 1 recorded years from 2002 to 2002. The figures come from ONS England and Wales 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.

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

We estimate that about 15 living people in the UK are called Diarmaid. 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 2003 or 2026.

Key insights

  • Diarmaid ranked #2254 for boys in England and Wales in 2002, with 5 registrations.
  • The name peaked in 2002, when 5 boys were registered as Diarmaid.
  • Diarmaid ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #218 in 2001.
  • About 15 living people in the UK are estimated to have Diarmaid as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2254

2002

Births in 2002

5

Latest year

Peak year

2002

5 births

Estimated living

15

2026

Decades

Diarmaid by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Diarmaid 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 #2254 5 1

Geography

Where Diarmaid is most common

The bars show the latest published local birth counts for Diarmaid. 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.

Diarmaid ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #218 in 2001.

Northern Ireland
5

Across the UK

Diarmaid in Scotland and Northern Ireland

Northern Ireland (NISRA)

#218 in 2001

2 years of NISRA records, 10 total registered

Notable bearers

Famous people named Diarmaid

  • Diarmaid MacCulloch

    screenwriter; historian; university teacher; church historian; presenter; theologian

    British historian

    1951-

  • Diarmaid Douglas-Hamilton

    entrepreneur; inventor; astrophysicist; aircraft pilot; mountaineer; physicist

    British physicist, inventor, and mountaineer (1940-2023)

    1940-2023

Related

Names similar to Diarmaid

FAQ

Diarmaid: questions and answers

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

In 2002, Diarmaid was ranked #2254 for boys in England and Wales, with 5 births registered.

When was Diarmaid most popular?

The peak year on record was 2002, with 5 babies registered as Diarmaid in England and Wales.

How many people are called Diarmaid in the UK?

A total of 5 babies have been registered as Diarmaid across the 1 years of ONS England & Wales records shown here and 10 in Northern Ireland.

Where is Diarmaid most common?

In the latest published local rankings, Diarmaid ranks best in Northern Ireland, where it placed #218 in 2001. 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.