UK boy's name
Olsi
For 2026, the newest official UK baby-name figures on this page are from 2010. That release is the current official benchmark rather than a forecast.
Olsi is a boy's name in the UK records. People looking for Olsi popularity in 2026 should use the latest official release, which is 2010 in this profile. In that release it ranked #3865, with 4 babies registered with the name. Its strongest year in the published records was 2008, with 5 births.
This profile covers 13 England and Wales registrations across 3 recorded years from 2008 to 2010. 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 80% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 13 living people in the UK are called Olsi. 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 2011 or 2026.
Key insights
- • Olsi ranked #3865 for boys in England and Wales in 2010, with 4 registrations.
- • The name peaked in 2008, when 5 boys were registered as Olsi.
- • About 13 living people in the UK are estimated to have Olsi as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#3865
2010
Births in 2010
4
Latest year
Peak year
2008
5 births
Estimated living
13
2026
Popularity
Olsi over time
The chart below shows babies named Olsi registered in England and Wales in the years where the name appears in the published records, from 2008 to 2010. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Olsi, the clearest high point is 2008. The latest England and Wales figure is 4 births in 2010, compared with 5 at the peak.
Babies born per year
Decades
Olsi by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Olsi 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 | #3865 | 4 | 1 |
| 2000s | #3451 | 9 | 2 |
Related
Names similar to Olsi
- Oliver 157,197
- Oscar 67,495
- Owen 33,517
- Ollie 13,193
- Oakley 9,838
- Omar 6,823
- Otis 6,395
- Oskar 4,827
- Olly 4,403
- Otto 3,839
- Osian 3,145
- Owain 2,310
FAQ
Olsi: questions and answers
How popular is the name Olsi in the UK right now?
In 2010, Olsi was ranked #3865 for boys in England and Wales, with 4 births registered.
When was Olsi most popular?
The peak year on record was 2008, with 5 babies registered as Olsi in England and Wales.
How many people are called Olsi in the UK?
A total of 13 babies have been registered as Olsi 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.