NameCensus.

UK boy's name

Illan

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.

Illan is a boy's name in the UK records. People looking for Illan popularity in 2026 should use the latest official release, which is 2021 in this profile. In that release it ranked #4789, with 3 babies registered with the name. Its strongest year in the published records was 2005, with 3 births.

This profile covers 6 England and Wales registrations across 2 recorded years from 2005 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 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 Illan. 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

  • Illan ranked #4789 for boys in England and Wales in 2021, with 3 registrations.
  • The name peaked in 2005, when 3 boys were registered as Illan.
  • About 6 living people in the UK are estimated to have Illan as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4789

2021

Births in 2021

3

Latest year

Peak year

2005

3 births

Estimated living

6

2026

Popularity

Illan over time

The chart below shows babies named Illan registered in England and Wales in the years where the name appears in the published records, from 2005 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 Illan, the clearest high point is 2005. The latest England and Wales figure is 3 births in 2021, compared with 3 at the peak.

Babies born per year

Illan
01223200520132021

Decades

Illan by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Illan 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 #4789 3 1
2000s #3849 3 1

Related

Names similar to Illan

FAQ

Illan: questions and answers

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

In 2021, Illan was ranked #4789 for boys in England and Wales, with 3 births registered.

When was Illan most popular?

The peak year on record was 2005, with 3 babies registered as Illan in England and Wales.

How many people are called Illan in the UK?

A total of 6 babies have been registered as Illan 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.