NameCensus.

UK boy's name

Seb

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Seb is a boy's name in the UK records. People looking for Seb popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1162, with 24 babies registered with the name. Its strongest year in the published records was 2018, with 58 births.

This profile covers 630 England and Wales registrations across 24 recorded years from 2001 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, 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 41% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 645 living people in the UK are called Seb. 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 2025 or 2026.

Key insights

  • Seb ranked #1162 for boys in England and Wales in 2024, with 24 registrations.
  • The name peaked in 2018, when 58 boys were registered as Seb.
  • Seb ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #404 in 2024.
  • About 645 living people in the UK are estimated to have Seb as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#1162

2024

Births in 2024

24

Latest year

Peak year

2018

58 births

Estimated living

645

2026

Popularity

Seb over time

The chart below shows babies named Seb registered in England and Wales in the years where the name appears in the published records, from 2001 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Seb, the clearest high point is 2018. The latest England and Wales figure is 24 births in 2024, compared with 58 at the peak.

Babies born per year

Seb
015294458200120122024

Decades

Seb by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Seb 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 #924 173 5
2010s #928 365 10
2000s #1980 92 9

Geography

Where Seb is most common

The bars show the latest published local birth counts for Seb. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Seb ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #404 in 2024.

Scotland
4
Northern Ireland
3

Across the UK

Seb in Scotland and Northern Ireland

Scotland (NRS)

#605 in 2021

4 years of NRS records, 16 total registered

Northern Ireland (NISRA)

#404 in 2024

1 years of NISRA records, 3 total registered

Related

Names similar to Seb

FAQ

Seb: questions and answers

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

In 2024, Seb was ranked #1162 for boys in England and Wales, with 24 births registered.

When was Seb most popular?

The peak year on record was 2018, with 58 babies registered as Seb in England and Wales.

How many people are called Seb in the UK?

A total of 630 babies have been registered as Seb across the 24 years of ONS England & Wales records shown here, plus 16 more in Scotland and 3 in Northern Ireland.

Where is Seb most common?

In the latest published local rankings, Seb ranks best in Northern Ireland, where it placed #404 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.

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.