NameCensus.

UK boy's name

Isambard

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.

Isambard is a boy's name in the UK records. People looking for Isambard 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 2016, with 7 births.

This profile covers 39 England and Wales registrations across 10 recorded years from 1999 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 57% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 39 living people in the UK are called Isambard. 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

  • Isambard ranked #3937 for boys in England and Wales in 2019, with 4 registrations.
  • The name peaked in 2016, when 7 boys were registered as Isambard.
  • About 39 living people in the UK are estimated to have Isambard 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

2016

7 births

Estimated living

39

2026

Popularity

Isambard over time

The chart below shows babies named Isambard registered in England and Wales in the years where the name appears in the published records, from 1999 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 Isambard, the clearest high point is 2016. The latest England and Wales figure is 4 births in 2019, compared with 7 at the peak.

Babies born per year

Isambard
02457199920092019

Decades

Isambard by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Isambard 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 #4007 29 7
2000s #3362 7 2
1990s #2943 3 1

Related

Names similar to Isambard

FAQ

Isambard: questions and answers

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

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

When was Isambard most popular?

The peak year on record was 2016, with 7 babies registered as Isambard in England and Wales.

How many people are called Isambard in the UK?

A total of 39 babies have been registered as Isambard across the 10 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.