NameCensus.

UK girl's name

Millie-Louise

For 2026, the newest official UK baby-name figures on this page are from 2021. That release is the current official benchmark rather than a forecast.

Millie-Louise is a girl's name in the UK records. People looking for Millie-Louise popularity in 2026 should use the latest official release, which is 2021 in this profile. In that release it ranked #5581, with 3 babies registered with the name. Its strongest year in the published records was 2010, with 7 births.

This profile covers 45 England and Wales registrations across 11 recorded years from 1999 to 2021. 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 45 living people in the UK are called Millie-Louise. 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 2022 or 2026.

Key insights

  • Millie-Louise ranked #5581 for girls in England and Wales in 2021, with 3 registrations.
  • The name peaked in 2010, when 7 girls were registered as Millie-Louise.
  • About 45 living people in the UK are estimated to have Millie-Louise as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#5581

2021

Births in 2021

3

Latest year

Peak year

2010

7 births

Estimated living

45

2026

Popularity

Millie-Louise over time

The chart below shows babies named Millie-Louise registered in England and Wales in the years where the name appears in the published records, from 1999 to 2021. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Millie-Louise, the clearest high point is 2010. The latest England and Wales figure is 3 births in 2021, compared with 7 at the peak.

Babies born per year

Millie-Louise
02457199920102021

Decades

Millie-Louise by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Millie-Louise 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 #5581 3 1
2010s #4189 26 5
2000s #4737 13 4
1990s #3900 3 1

Related

Names similar to Millie-Louise

FAQ

Millie-Louise: questions and answers

How popular is the name Millie-Louise in the UK right now?

In 2021, Millie-Louise was ranked #5581 for girls in England and Wales, with 3 births registered.

When was Millie-Louise most popular?

The peak year on record was 2010, with 7 babies registered as Millie-Louise in England and Wales.

How many people are called Millie-Louise in the UK?

A total of 45 babies have been registered as Millie-Louise across the 11 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.