Oslo
How to say it: OS-loh · /ˈɑsloʊ/
From Old Norse Aslo, capital of Norway - place-name evoking northern landscapes and Viking heritage.
Oslo was the 1,589th most popular boys’ name in the United States in 2025, given to 78 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 4.0-fold in ten years, and it is projected to rise to #936 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #1,589 |
|---|---|
| Babies born in 2025 | 78 |
| Share of births | 1 in 42,504 |
| Peak decade | 2020s |
| Change over 10 years | ×4.0 |
| Projected rank for 2030 (estimate) | #936 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Oslo is a newcomer: almost all of its history is from the last forty years.
What goes with it
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Oslo is about under 1 in 200.
Around the world
This spelling is used in English, Swedish.
Keep exploring
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