UK name, mostly boys
Rio
From Portuguese meaning "river" or name used in reference to Rio de Janeiro.
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.
Rio is mostly registered for boys in the UK records. People looking for Rio popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #166, with 302 babies registered with the name. Its strongest year in the published records was 2011, with 359 births.
This profile covers 6,567 England and Wales registrations across 29 recorded years from 1996 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 84% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 7,283 living people in the UK are called Rio. 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
- • Rio ranked #166 for boys in England and Wales in 2024, with 302 registrations.
- • The name peaked in 2011, when 359 boys were registered as Rio.
- • Rio ranks best in Scotland in the latest published regional snapshot for that area, where it placed #110 in 2024.
- • About 7,283 living people in the UK are estimated to have Rio as a first name, after adjusting past birth registrations with ONS life tables.
- • Across the England and Wales records shown here, 89.3% of Rio registrations are for boys.
Latest rank (E&W)
#166
2024
Births in 2024
302
Latest year
Peak year
2011
359 births
Estimated living
7,283
2026
Gender
Boy and girl registrations for Rio
In England and Wales birth records, Rio has been registered for both boys and girls. Across the years shown here, 89.3% of registrations are for boys and 10.7% 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.
Rio registered for boys
- Ranked #166 in 2024
- 302 boys registered in 2024
- Peak: 2011 (359 births)
Rio registered for girls
- Ranked #2,000 in 2024
- 14 girls registered in 2024
- Peak: 1997 (59 births)
Meaning
What does Rio mean?
The name Rio is a Spanish and Portuguese word meaning "river". It is believed to have originated from the Latin word "rivus", which also means river or stream. The name Rio has been used as a given name for both males and females across various cultures and regions.
In Spain and Portugal, the name Rio has been in use for centuries, often given to children born near rivers or in riverside towns. It was also a popular name among explorers and navigators, who often encountered and named rivers during their voyages.
One of the earliest recorded instances of the name Rio can be found in the 15th century, when Portuguese explorer Rio de Sousa (1460-1516) was named after the Douro River in northern Portugal. Another notable bearer of the name was Rio de Janeiro (1502-1557), a Portuguese explorer and navigator who helped establish the city of Rio de Janeiro in Brazil.
In the realm of literature, the name Rio appears in the works of renowned authors such as Miguel de Cervantes, who featured a character named Rio in his novel "Don Quixote". Additionally, the Brazilian writer José de Alencar (1829-1877) wrote a novel titled "Rio Branco" in 1870, which may have contributed to the popularity of the name in Brazil.
Throughout history, several notable individuals have borne the name Rio. One of the earliest was Rio de Goa (1530-1594), a Portuguese Jesuit missionary who worked in India. Later, Rio Branco (1819-1880) was a Brazilian diplomat and politician who played a crucial role in resolving border disputes between Brazil and its neighbors.
In the 20th century, Rio Preisner (1925-2003) was a Polish film composer known for his collaborations with director Krzysztof Kieślowski. Rio Ferdinand (born 1978) is an English former professional footballer who captained Manchester United and the English national team.
Another notable bearer of the name is Rio Mavuba (born 1984), a French professional footballer who has represented the French national team and played for various clubs in Europe.
Sourced from namecensus.com.
Popularity
Rio over time
The chart below compares boys and girls registered as Rio in England and Wales, from 1996 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 Rio, the clearest high point is 2011. The latest England and Wales figure is 302 births in 2024, compared with 359 at the peak.
Babies born per year
Decades
Rio by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Rio 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 | #178 | 1,466 | 5 |
| 2010s | #218 | 2,516 | 10 |
| 2000s | #202 | 2,452 | 10 |
| 1990s | #709 | 133 | 4 |
Geography
Where Rio is most common
The bars show the latest published local birth counts for Rio. 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.
Rio ranks best in Scotland in the latest published regional snapshot for that area, where it placed #110 in 2024.
Across the UK
Rio in Scotland and Northern Ireland
Scotland (NRS)
#110 in 2024
24 years of NRS records, 559 total registered
Northern Ireland (NISRA)
#154 in 2024
22 years of NISRA records, 205 total registered
Related
Names similar to Rio
- Ryan 68,692
- Riley 37,992
- Robert 27,462
- Reuben 25,122
- Rhys 24,418
- Reece 24,329
- Rory 21,870
- Roman 16,609
- Ronnie 16,445
- Reggie 14,684
- Rowan 14,371
- Ralph 8,892
FAQ
Rio: questions and answers
How popular is the name Rio in the UK right now?
In 2024, Rio was ranked #166 for boys in England and Wales, with 302 births registered.
When was Rio most popular?
The peak year on record was 2011, with 359 babies registered as Rio in England and Wales.
What is the meaning and origin of Rio?
From Portuguese meaning "river" or name used in reference to Rio de Janeiro.
How many people are called Rio in the UK?
A total of 6,567 babies have been registered as Rio across the 29 years of ONS England & Wales records shown here, plus 559 more in Scotland and 205 in Northern Ireland.
Where is Rio most common?
In the latest published local rankings, Rio ranks best in Scotland, where it placed #110 in 2024. 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.