Oslo
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
Meaning & Origin of Oslo
What this name means, where it came from, and how it has traveled across cultures.
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Oslo
Oslo first appeared in U.S. Social Security Administration records as a baby boy name in 2007, with 7 babies given the name that year. The name hit its high-water mark in 2026: 102 births, good for #1,672 nationwide. About 78% of every Oslo on record arrived during the 2020s, its defining decade. As of 2026, Oslo ranks #1,672 for baby boys with 102 births, rising sharply (+201% over the past five years). All told, over 700 Americans have carried the name since 1880, from the 2000s to the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Oslo
Phonetically similar names — useful when Oslo is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Oslo
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About the name Oslo
Oslo is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2007 and has accumulated 700 births in the dataset. Oslo's peak popularity came in 2026 when it ranked #1,672. Use the chart and map above to compare Oslo's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2026 →
- Names of the 2020s →
- Names starting with "O" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.