NameCensus.

UK boy's name

Niilo

Finnish given name derived from Nikolaus, ultimately meaning "victory of the people".

For 2026, the newest official UK baby-name figures on this page are from 2019. That release is the current official benchmark rather than a forecast.

Niilo is a boy's name in the UK records. People looking for Niilo popularity in 2026 should use the latest official release, which is 2019 in this profile. In that release it ranked #4702, with 3 babies registered with the name. Its strongest year in the published records was 2019, with 3 births.

This profile covers 3 England and Wales registrations across 1 recorded years from 2019 to 2019. 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.

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

We estimate that about 3 living people in the UK are called Niilo. 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 2020 or 2026.

Key insights

  • Niilo ranked #4702 for boys in England and Wales in 2019, with 3 registrations.
  • The name peaked in 2019, when 3 boys were registered as Niilo.
  • About 3 living people in the UK are estimated to have Niilo as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4702

2019

Births in 2019

3

Latest year

Peak year

2019

3 births

Estimated living

3

2026

Meaning

What does Niilo mean?

The name Niilo originated from Finnish, a Finno-Ugric language spoken in Finland and parts of Sweden. It is derived from the ancient Finnish word "niilo" which means "brook" or "stream", referring to a small watercourse. The name likely emerged during the early medieval period in Finland, as Finnish names gradually replaced older Scandinavian names among the Finnish population.

One of the earliest recorded instances of the name Niilo can be found in the Kalevala, the national epic of Finland compiled from ancient oral traditions in the 19th century. It mentions a character called Niilo, the son of a blacksmith, who was known for his skill in forging weapons and tools. This suggests that the name was already in use among Finnish speakers by the time these folk tales were recorded.

In the 16th century, a Finnish clergyman named Niilo Olavintytär (1548-1620) became one of the first women to write and publish books in the Finnish language. Her works, which included translations of religious texts and a book of proverbs, played a significant role in the development of Finnish literature and the standardization of the written language.

Another notable figure with the name Niilo was Niilo Keckman (1835-1915), a Finnish journalist and politician who served as a member of the Finnish Parliament and played a key role in the Finnish language revival movement in the late 19th century. He was a passionate advocate for the use of Finnish in education, administration, and public life, and his efforts helped to establish Finnish as an official language alongside Swedish.

In the 20th century, Niilo Wälläri (1899-1967) was a Finnish long-distance runner who won the gold medal in the 10,000 meters event at the 1924 Summer Olympics in Paris. His victory was a source of great national pride and helped to popularize the name Niilo in Finland during that era.

Another notable figure with the name Niilo was Niilo Tolver (1891-1953), a Finnish architect who designed several iconic buildings in Helsinki, including the Olympic Stadium and the Dipoli building at Aalto University. His work played a significant role in shaping the modern architectural landscape of Finland's capital city.

While the name Niilo has deep roots in Finnish history and culture, it has also been adopted by Finnish communities in other parts of the world, particularly in North America and Sweden, where there are significant Finnish immigrant populations. Overall, the name Niilo remains a distinctly Finnish name that reflects the country's linguistic and cultural heritage.

Sourced from namecensus.com.

Decades

Niilo by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Niilo 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 #4702 3 1

Related

Names similar to Niilo

FAQ

Niilo: questions and answers

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

In 2019, Niilo was ranked #4702 for boys in England and Wales, with 3 births registered.

When was Niilo most popular?

The peak year on record was 2019, with 3 babies registered as Niilo in England and Wales.

What is the meaning and origin of Niilo?

Finnish given name derived from Nikolaus, ultimately meaning "victory of the people".

How many people are called Niilo in the UK?

A total of 3 babies have been registered as Niilo across the 1 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.