NameCensus.

UK boy's name

Sergiu

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.

Sergiu is a boy's name in the UK records. People looking for Sergiu popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #3688, with 5 babies registered with the name. Its strongest year in the published records was 2019, with 6 births.

This profile covers 38 England and Wales registrations across 8 recorded years from 2015 to 2024. 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 83% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 38 living people in the UK are called Sergiu. 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

  • Sergiu ranked #3688 for boys in England and Wales in 2024, with 5 registrations.
  • The name peaked in 2019, when 6 boys were registered as Sergiu.
  • About 38 living people in the UK are estimated to have Sergiu as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3688

2024

Births in 2024

5

Latest year

Peak year

2019

6 births

Estimated living

38

2026

Popularity

Sergiu over time

The chart below shows babies named Sergiu registered in England and Wales in the years where the name appears in the published records, from 2015 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 Sergiu, the clearest high point is 2019. The latest England and Wales figure is 5 births in 2024, compared with 6 at the peak.

Babies born per year

Sergiu
02356201520192024

Decades

Sergiu by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Sergiu 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 #3387 21 4
2010s #3945 17 4

Related

Names similar to Sergiu

FAQ

Sergiu: questions and answers

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

In 2024, Sergiu was ranked #3688 for boys in England and Wales, with 5 births registered.

When was Sergiu most popular?

The peak year on record was 2019, with 6 babies registered as Sergiu in England and Wales.

How many people are called Sergiu in the UK?

A total of 38 babies have been registered as Sergiu across the 8 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.