NameCensus.

UK girl's name

Mairwen

For 2026, the newest official UK baby-name figures on this page are from 2007. That release is the current official benchmark rather than a forecast.

Mairwen is a girl's name in the UK records. People looking for Mairwen popularity in 2026 should use the latest official release, which is 2007 in this profile. In that release it ranked #5201, with 3 babies registered with the name. Its strongest year in the published records was 2006, with 3 births.

This profile covers 6 England and Wales registrations across 2 recorded years from 2006 to 2007. 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 6 living people in the UK are called Mairwen. 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 2008 or 2026.

Key insights

  • Mairwen ranked #5201 for girls in England and Wales in 2007, with 3 registrations.
  • The name peaked in 2006, when 3 girls were registered as Mairwen.
  • About 6 living people in the UK are estimated to have Mairwen as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#5201

2007

Births in 2007

3

Latest year

Peak year

2006

3 births

Estimated living

6

2026

Popularity

Mairwen over time

The chart below shows babies named Mairwen registered in England and Wales in the years where the name appears in the published records, from 2006 to 2007. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Mairwen, the clearest high point is 2006. The latest England and Wales figure is 3 births in 2007, compared with 3 at the peak.

Babies born per year

Mairwen
01223200620062007

Decades

Mairwen by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Mairwen 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 #5131 6 2

Related

Names similar to Mairwen

FAQ

Mairwen: questions and answers

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

In 2007, Mairwen was ranked #5201 for girls in England and Wales, with 3 births registered.

When was Mairwen most popular?

The peak year on record was 2006, with 3 babies registered as Mairwen in England and Wales.

How many people are called Mairwen in the UK?

A total of 6 babies have been registered as Mairwen across the 2 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.