Oslo
Oslo was the 1969th most popular name for boys in 2025, given to 78 babies. Its best year was 2022, when it ranked 1768th with 94 babies. Over the last ten years it has moved up 3,704 places. More babies were named Oslo in the 2020s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #1,969 boys, up 1,091 places since 2020
- Babies in 2025
- 78boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 202294 babies
- Total since 1880
- 581babies recorded
Oslo popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #1,969 | 78 |
| 2020 | #3,060 | 38 |
| 2010 | #13,737 | 5 |
| 2000 | — | — |
| 1990 | — | — |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Oslo, counting every spelling?
Oslo is the most common spelling of a name family that had 92 boys in 2025 across its spellings. Together these spellings went to 92 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Oslo | 78 | #1,969 | 392 |
| Ozlo | 14 | #6,351 | 65 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Oslo?
78 of the 3,606,400 babies born in the US in 2025 were named Oslo (0.02 per 1,000 births). For a boy named Oslo born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 108 (of 430 pupils) would have a child named Oslo.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Oslo?
About 600 people born in the US named Oslo are alive today, with a median age of 4; half are between 2 and 7. That makes Oslo a young name: most people with it are children.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Oslo by state
How common Oslo was among boys born in each state in 2021–2025. It is notably more common than nationally in Minnesota (3.6×). In 40 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Oslo: their share of US boys followed the most similar curve since 1880. If you like Oslo, they share its era and feel.
Questions about the name Oslo
How popular is the name Oslo?
Oslo was the 1969th most popular name for boys in 2025, given to 78 babies. Its best year was 2022, when it ranked 1768th with 94 babies. Over the last ten years it has moved up 3,704 places. More babies were named Oslo in the 2020s than in any other decade.
Is Oslo a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Oslo in the US.
Where is Oslo most popular?
In 2021–2025, Oslo was most common in Minnesota (0.16 per 1,000 boys), followed by Utah and Washington.