NameCensus.

UK boy's name

Kien

An uncommon Vietnamese unisex name meaning "firm" or "persevering".

For 2026, the newest official UK baby-name figures on this page are from 2023. That release is the current official benchmark rather than a forecast.

Kien is a boy's name in the UK records. People looking for Kien popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4107, with 4 babies registered with the name. Its strongest year in the published records was 2000, with 18 births.

This profile covers 167 England and Wales registrations across 23 recorded years from 1999 to 2023. 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 22% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 166 living people in the UK are called Kien. 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 2024 or 2026.

Key insights

  • Kien ranked #4107 for boys in England and Wales in 2023, with 4 registrations.
  • The name peaked in 2000, when 18 boys were registered as Kien.
  • About 166 living people in the UK are estimated to have Kien as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4107

2023

Births in 2023

4

Latest year

Peak year

2000

18 births

Estimated living

166

2026

Meaning

What does Kien mean?

The name Kien has its origins in the Vietnamese language and culture. It is a male given name that dates back several centuries. In Vietnamese, the name is derived from the word "kien" which means "firm" or "steadfast."

One of the earliest recorded instances of the name Kien can be found in the Annals of Dai Viet, a historical text that chronicles the history of Vietnam from the 11th to the 15th century. The text mentions a notable figure named Kien Trung, who was a military commander and government official during the Tran dynasty in the 13th century.

Another historical figure with the name Kien was Kien Giang, a Vietnamese prince and military leader who lived in the 18th century. He is known for his role in defending the southern regions of Vietnam against the Siamese invasion during the Tay Son rebellion.

In the realm of literature, the name Kien is associated with Nguyen Du, a renowned Vietnamese poet and scholar from the early 19th century. His epic poem "The Tale of Kieu" is considered a masterpiece of Vietnamese literature and features characters with the name Kien.

Kien Hoa was a Vietnamese Buddhist monk and writer who lived in the 17th century. He is famous for his contributions to the development of the Vietnamese writing system and his efforts in promoting Buddhism in Vietnam.

Moving to more modern times, Kien Giang is also the name of a province in southern Vietnam, named after the historical figure mentioned earlier. This region has a rich cultural heritage and is known for its diverse landscapes and ethnic communities.

It is worth noting that while the name Kien has its roots in Vietnamese culture, it has also been adopted by other Southeast Asian communities, particularly in Cambodia and Laos, due to cultural and linguistic connections.

Sourced from namecensus.com.

Popularity

Kien over time

The chart below shows babies named Kien registered in England and Wales in the years where the name appears in the published records, from 1999 to 2023. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Kien, the clearest high point is 2000. The latest England and Wales figure is 4 births in 2023, compared with 18 at the peak.

Babies born per year

Kien
0591418199920112023

Decades

Kien by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Kien 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 #3971 13 3
2010s #3368 48 9
2000s #1717 103 10
1990s #2943 3 1

Related

Names similar to Kien

FAQ

Kien: questions and answers

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

In 2023, Kien was ranked #4107 for boys in England and Wales, with 4 births registered.

When was Kien most popular?

The peak year on record was 2000, with 18 babies registered as Kien in England and Wales.

What is the meaning and origin of Kien?

An uncommon Vietnamese unisex name meaning "firm" or "persevering".

How many people are called Kien in the UK?

A total of 167 babies have been registered as Kien across the 23 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.