NameCensus.

UK girl's name

Sia

Of Scandinavian origin, meaning "victory" or "triumphant".

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.

Sia is a girl's name in the UK records. People looking for Sia popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #565, with 69 babies registered with the name. Its strongest year in the published records was 2017, with 91 births.

This profile covers 968 England and Wales registrations across 26 recorded years from 1997 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 76% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 995 living people in the UK are called Sia. 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

  • Sia ranked #565 for girls in England and Wales in 2024, with 69 registrations.
  • The name peaked in 2017, when 91 girls were registered as Sia.
  • Sia ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #391 in 2023.
  • About 995 living people in the UK are estimated to have Sia as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#565

2024

Births in 2024

69

Latest year

Peak year

2017

91 births

Estimated living

995

2026

Meaning

What does Sia mean?

The name Sia has its origins in the Sanskrit language of ancient India, believed to have been derived from the word "siddha," which means "accomplished" or "perfected." This name gained popularity in the Indian subcontinent during the medieval period.

One of the earliest known references to the name Sia can be found in the Hindu sacred text, the Mahabharata. It mentions a character named Sia, who was a skilled archer and warrior. Additionally, in the 7th century AD, there was a famous Indian mathematician and astronomer named Sia Siddhanta, who made significant contributions to the field of astronomy.

Historically, the name Sia has been associated with individuals who have achieved great accomplishments or attained a high level of spiritual enlightenment. One notable figure was Sia al-Hadrami, an 11th-century Sufi mystic and scholar from Yemen, who played a crucial role in spreading Islamic teachings in Southeast Asia.

In the realm of art and culture, Sia Furler, born in 1975, is a renowned Australian singer-songwriter and music video director. She is known for her unique vocal style and has won numerous awards, including nine ARIA Music Awards and a Billboard Music Award.

Another notable Sia was Sia Lloyd Benjamins, a South African activist who fought against apartheid and advocated for women's rights. She was born in 1904 and played a significant role in the anti-apartheid movement during the 20th century.

Furthermore, Sia Nyorkor Mensah, born in 1940, was a Ghanaian politician and women's rights activist. She served as the chairperson of the National Council on Women and Development in Ghana and worked tirelessly to promote gender equality and women's empowerment.

In the field of literature, Sia Figiel, born in 1967, is a renowned Samoan novelist and poet. Her works explore themes of identity, culture, and the experiences of indigenous Pacific Islanders. She has received numerous accolades, including the prestigious Commonwealth Writers' Prize.

While the name Sia has its roots in ancient India, it has been embraced and celebrated across various cultures and regions throughout history, reflecting the diverse and accomplished individuals who have carried this moniker.

Sourced from namecensus.com.

Popularity

Sia over time

The chart below shows babies named Sia registered in England and Wales in the years where the name appears in the published records, from 1997 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 Sia, the clearest high point is 2017. The latest England and Wales figure is 69 births in 2024, compared with 91 at the peak.

Babies born per year

Sia
023466891199720102024

Decades

Sia by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Sia 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 #593 326 5
2010s #863 506 10
2000s #1941 131 10
1990s #2738 5 1

Geography

Where Sia is most common

The bars show the latest published local birth counts for Sia. 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.

Sia ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #391 in 2023.

Northern Ireland
3
Scotland
3

Across the UK

Sia in Scotland and Northern Ireland

Scotland (NRS)

#749 in 2023

7 years of NRS records, 29 total registered

Northern Ireland (NISRA)

#391 in 2023

1 years of NISRA records, 3 total registered

Notable bearers

Famous people named Sia

  • Sia Berkeley

    actor

    British actress

    1985-

Related

Names similar to Sia

FAQ

Sia: questions and answers

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

In 2024, Sia was ranked #565 for girls in England and Wales, with 69 births registered.

When was Sia most popular?

The peak year on record was 2017, with 91 babies registered as Sia in England and Wales.

What is the meaning and origin of Sia?

Of Scandinavian origin, meaning "victory" or "triumphant".

How many people are called Sia in the UK?

A total of 968 babies have been registered as Sia across the 26 years of ONS England & Wales records shown here, plus 29 more in Scotland and 3 in Northern Ireland.

Where is Sia most common?

In the latest published local rankings, Sia ranks best in Northern Ireland, where it placed #391 in 2023. 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.