NameCensus.

UK boy's name

Costas

Greek masculine name meaning "constant" or "steadfast.".

For 2026, the newest official UK baby-name figures on this page are from 2015. That release is the current official benchmark rather than a forecast.

Costas is a boy's name in the UK records. People looking for Costas popularity in 2026 should use the latest official release, which is 2015 in this profile. In that release it ranked #3908, with 4 babies registered with the name. Its strongest year in the published records was 2015, with 4 births.

This profile covers 10 England and Wales registrations across 3 recorded years from 2002 to 2015. 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.

Costas is at its recorded peak in the England and Wales series.

We estimate that about 10 living people in the UK are called Costas. 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 2016 or 2026.

Key insights

  • Costas ranked #3908 for boys in England and Wales in 2015, with 4 registrations.
  • The name peaked in 2015, when 4 boys were registered as Costas.
  • About 10 living people in the UK are estimated to have Costas as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3908

2015

Births in 2015

4

Latest year

Peak year

2015

4 births

Estimated living

10

2026

Meaning

What does Costas mean?

Costas is a masculine given name with Greek origins, derived from the name Konstantinos, which means "constant" or "steadfast" in Greek. This name has its roots in Ancient Greek culture, dating back to the Byzantine era.

The name Konstantinos was widely used during the Byzantine Empire, named after the Roman Emperor Constantine the Great, who reigned from 306 to 337 AD. Constantine was known for his pivotal role in the Christianization of the Roman Empire and the establishment of Constantinople as the new capital.

The shortened form, Costas, gained popularity in modern times, particularly in Greece and other Greek-speaking communities around the world. It is a common name among Greek Orthodox Christians, reflecting the strong cultural and religious ties to the Byzantine Empire.

One of the earliest recorded examples of the name Costas can be found in the Byzantine chronicles, where it was used to refer to various individuals, including notable figures in the imperial court and the church.

Throughout history, several notable individuals have borne the name Costas, including:

1. Costas Tsilogiannis (1836-1923), a Greek military officer and politician who served as the Prime Minister of Greece in the late 19th century. 2. Costas Caramanlis (1907-1998), a Greek politician who served as the Prime Minister of Greece from 1955 to 1963 and again from 1974 to 1980. 3. Costas Mitroglou (born 1988), a Greek professional footballer who plays as a striker for the Greek national team and various clubs in Europe. 4. Costas Voutsinas (1932-2020), a Greek actor and director who had a successful career in Greek cinema and theater. 5. Costas Simitis (born 1936), a Greek politician who served as the Prime Minister of Greece from 1996 to 2004, leading the country into the Eurozone.

The name Costas has been widely used throughout the Greek diaspora, particularly in countries with significant Greek communities, such as the United States, Australia, and Canada. While its popularity may have fluctuated over time, it remains a widely recognized and respected name within Greek culture and communities worldwide.

Sourced from namecensus.com.

Popularity

Costas over time

The chart below shows babies named Costas registered in England and Wales in the years where the name appears in the published records, from 2002 to 2015. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Costas, the clearest high point is 2015. The latest England and Wales figure is 4 births in 2015, compared with 4 at the peak.

Babies born per year

Costas
01234200220082015

Decades

Costas by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Costas 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 #3908 4 1
2000s #3438 6 2

Related

Names similar to Costas

FAQ

Costas: questions and answers

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

In 2015, Costas was ranked #3908 for boys in England and Wales, with 4 births registered.

When was Costas most popular?

The peak year on record was 2015, with 4 babies registered as Costas in England and Wales.

What is the meaning and origin of Costas?

Greek masculine name meaning "constant" or "steadfast.".

How many people are called Costas in the UK?

A total of 10 babies have been registered as Costas across the 3 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.