NameCensus.

UK name, mostly boys

Siu

A diminutive form of a Chinese name meaning "little" or "petite".

For 2026, the newest official UK baby-name figures on this page are from 2004. That release is the current official benchmark rather than a forecast.

Also recorded as a girls' name in the UK, with 3 girls.

Siu is mostly registered for boys in the UK records. People looking for Siu popularity in 2026 should use the latest official release, which is 2004 in this profile. In that release it ranked #3651, with 3 babies registered with the name. Its strongest year in the published records was 2002, with 4 births.

This profile covers 10 England and Wales registrations across 3 recorded years from 2001 to 2004. 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 75% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 10 living people in the UK are called Siu. 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 2005 or 2026.

Key insights

  • Siu ranked #3651 for boys in England and Wales in 2004, with 3 registrations.
  • The name peaked in 2002, when 4 boys were registered as Siu.
  • Siu is also recorded for girls, but the boys side is the larger UK variant in these records.
  • About 10 living people in the UK are estimated to have Siu as a first name, after adjusting past birth registrations with ONS life tables.
  • Across the England and Wales records shown here, 76.9% of Siu registrations are for boys.

Latest rank (E&W)

#3651

2004

Births in 2004

3

Latest year

Peak year

2002

4 births

Estimated living

10

2026

Gender

Boy and girl registrations for Siu

In England and Wales birth records, Siu has been registered for both boys and girls. Across the years shown here, 76.9% of registrations are for boys and 23.1% are for girls.

These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.

77% boys
23% girls
Boys10 (76.9%)Girls3 (23.1%)

Siu registered for boys

  • Ranked #3,651 in 2004
  • 3 boys registered in 2004
  • Peak: 2002 (4 births)

Siu registered for girls

  • Ranked #5,061 in 2006
  • 3 girls registered in 2006
  • Peak: 2006 (3 births)

Meaning

What does Siu mean?

The given name Siu has its origins in the Cantonese Chinese language. It is derived from the word "sau", which means "small" or "little". This name likely first emerged in the Guangdong province of China during the Tang Dynasty (618-907 AD).

One of the earliest recorded uses of the name Siu can be found in the Yuan Dynasty (1279-1368 AD) classic novel "Journey to the West". In this epic tale, there is a character named Siu Wuhui who aids the monk Xuanzang on his pilgrimage to India.

During the Ming Dynasty (1368-1644 AD), a poet and calligrapher named Siu Zhuang made significant contributions to the literary and artistic realms. He is remembered for his innovative calligraphic styles and his ability to capture the essence of natural scenery in his poems.

In the 17th century, Siu Guangqi was a prominent Chinese scholar and mathematician. He is credited with translating and introducing Western mathematical concepts, such as algebraic notation, to China. His work helped bridge the gap between Eastern and Western mathematical knowledge.

Moving into the 20th century, Siu King-tan was a renowned Cantonese opera singer and actress who lived from 1904 to 1992. She was celebrated for her powerful vocal range and her ability to portray a wide range of emotions on stage. Her performances helped preserve and promote the art of Cantonese opera during a time of cultural upheaval.

Another notable figure with the name Siu was Siu Guiyuan, a Chinese politician and diplomat who served as the Foreign Minister of the Republic of China from 1947 to 1948. He played a crucial role in shaping China's international relations during the turbulent period following World War II.

These are just a few examples of the rich history and significance of the given name Siu. While its origins can be traced back to ancient China, this name has left an indelible mark on various aspects of Chinese culture, art, literature, and politics throughout the centuries.

Sourced from namecensus.com.

Popularity

Siu over time

The chart below compares boys and girls registered as Siu in England and Wales, from 2001 to 2006. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Siu, the clearest high point is 2002. The latest England and Wales figure is 3 births in 2004, compared with 4 at the peak.

Babies born per year

BoysGirls
01234200120032006

Decades

Siu by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Siu 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
2000s #3140 10 3

Related

Names similar to Siu

FAQ

Siu: questions and answers

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

In 2004, Siu was ranked #3651 for boys in England and Wales, with 3 births registered.

When was Siu most popular?

The peak year on record was 2002, with 4 babies registered as Siu in England and Wales.

What is the meaning and origin of Siu?

A diminutive form of a Chinese name meaning "little" or "petite".

How many people are called Siu in the UK?

A total of 10 babies have been registered as Siu 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.