NameCensus.

UK boy's name

Iwo

For 2026, the newest official UK baby-name figures on this page are from 2019. That release is the current official benchmark rather than a forecast.

Iwo is a boy's name in the UK records. People looking for Iwo popularity in 2026 should use the latest official release, which is 2019 in this profile. In that release it ranked #3937, with 4 babies registered with the name. Its strongest year in the published records was 2012, with 9 births.

This profile covers 48 England and Wales registrations across 9 recorded years from 2007 to 2019. 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 44% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 48 living people in the UK are called Iwo. 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 2020 or 2026.

Key insights

  • Iwo ranked #3937 for boys in England and Wales in 2019, with 4 registrations.
  • The name peaked in 2012, when 9 boys were registered as Iwo.
  • About 48 living people in the UK are estimated to have Iwo as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3937

2019

Births in 2019

4

Latest year

Peak year

2012

9 births

Estimated living

48

2026

Popularity

Iwo over time

The chart below shows babies named Iwo registered in England and Wales in the years where the name appears in the published records, from 2007 to 2019. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Iwo, the clearest high point is 2012. The latest England and Wales figure is 4 births in 2019, compared with 9 at the peak.

Babies born per year

Iwo
02579200720132019

Decades

Iwo by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Iwo 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
2010s #3349 34 6
2000s #3325 14 3

Related

Names similar to Iwo

FAQ

Iwo: questions and answers

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

In 2019, Iwo was ranked #3937 for boys in England and Wales, with 4 births registered.

When was Iwo most popular?

The peak year on record was 2012, with 9 babies registered as Iwo in England and Wales.

How many people are called Iwo in the UK?

A total of 48 babies have been registered as Iwo across the 9 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.