Oslo Boy
How popular is Oslo?
#1,959 boy name in 2025
78 baby boys were named Oslo in the US in 2025, making it the 1959th most popular boy name.
Oslo popularity over time
| Rank in 2025 | #1,959 for boys (▼ 38 from 2024) |
|---|---|
| Babies in 2025 | 78 boys |
| 10-year trend | Rising fast (+388% babies vs 2015) |
| Earlier ranks | #5,503 in 2015, #3,024 in 2020 |
| Peak year | 2022 (94 boys) |
| Highest rank | #1,760 in 2022 |
| First recorded | 2007 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Oslo counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Oslo family of names ranked #1,516 for boys in 2025 (#1,468 the year before), with 92 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Oslo | 78 | 85% |
| Ozlo | 14 | 15% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Oslo is most popular
Babies named Oslo per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Minnesota: 0.2 per 1,000 (20 boys)
- Utah: 0.1 per 1,000 (11 boys)
- Washington: 0.1 per 1,000 (15 boys)
- Colorado: 0.1 per 1,000 (11 boys)
- Wisconsin: 0.0 per 1,000 (5 boys)
Oslo by decade
Boy names about as popular as Oslo
Questions
- Is Oslo a boy or girl name?
- Oslo is mostly a boy name. Over the last 10 years, 100% of babies named Oslo were boys.
- How popular is the name Oslo?
- 78 baby boys were named Oslo in the US in 2025, making it the 1959th most popular boy name.
- When was Oslo most popular?
- Oslo peaked in 2022, when 94 boys were given the name. Its highest rank was #1,760 in 2022.
- How many people are named Oslo?
- 581 babies have been named Oslo in the US since 1880. We estimate about 579 of them are alive in 2026, with a median age of 4.
- Where is Oslo most popular?
- From 2021 to 2025, Oslo was most common in Minnesota, at 0.2 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.