Østby
surname · Latin script
/øːstbʏ/(machine-generated) pronunciation, model-generated
Østby is a surname written in the Latin script, with more bearers in Norway than in any other country.
- NONorway1 in 1.4K(measured from records)
- DKDenmark1 in 293K
- SESweden1 in 928K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Where a country counts another spelling of the name rather than Østby itself, the figure is that spelling’s, and it is named. One hue, darker where it is more common; hover a country for its figure.
- Norway (measured from records)
- Sources
- 15 (measured from records)
- 1 in 1.4K (inferred from the name graph)
3,792 people
Highest-authority source
Norway
measured from records inferred from the name graph
Spellings & scripts(measured from records)
One other spelling is counted as the same name:
Locally spelled Oestby in US United States, GH Ghana.
Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.
Meaning & origin
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Attested in 1 language in the etymology graph.
Where in the world(measured from records)
Østby counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.
Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.
| Country | Most common spelling | Sources | |||
|---|---|---|---|---|---|
| NO Norway | 3,792 | 1 in 1.4K | 3.8K | Østby | 15 |
| GH Ghana | ≈62 est. | ≈1 in 475K | — | Oestby | 1 |
| DK Denmark | 20 | 1 in 293K | 20 | Østby | 14 |
| SE Sweden | 11 | 1 in 928K | 11 | — | 2 |
| US United States | ≈2 est. | ≈1 in 155M | — | Oestby | 4 |
3,792 people counted by SSB — Navnesøk (name-search service, living population). Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.
Registers cited: SSB — Navnesøk (name-search service, living population); Danmarks Statistik — Hvor mange hedder...? (living-population name counts); Skatteverket — Sök hur många som har ett visst namn (living population). Figures without a register are Mondonomo estimates; see Methodology.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Notable people with this name(measured from records)
- Knut Østbyb. 1922NOCanoe racer (1922-2010)
- Johan Østbyb. 1924NONorwegian politician
- Einar Østbyb. 1935NONorwegian male cross-country skier
- Erik Østbyb. 1945NONorwegian philologist
- Nils Østbyb. 1947NONorwegian musician
- Hilde Østbyb. 1975NONorwegian novelist
- Jannike Irene Østbyb. 1978NONorwegian cross-country skier
- Ylva Østbyb. 1979NOresearcher
- David André Østbyb. 1980NONorwegian singer
- Kristian Østbyb. 1996NONorwegian ice hockey player
The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).
How to address them(machine-generated)
Evidence(measured from records)
Attested in 5 sources across 3 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| NO Norway | SSB — Navnesøk (name-search service, living population) | — | 3.8K | #227 |
| DK Denmark | Danmarks Statistik — Hvor mange hedder...? (living-population name counts) | — | 20 | #23,608 |
| SE Sweden | Skatteverket — Sök hur många som har ett visst namn (living population) | — | 11 | #37,822 |
Reference works 2
- Wikipedia surname tokens
- Wikidata name items (native-script + romanized given/family names)
These works list the name; their figures are licensed and are not reproduced here.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- How do you pronounce Østby?
- A machine transcription gives /øːstbʏ/ (IPA) for Norwegian.
- In which country does Østby have the most bearers?
- In Norway, the national register counted about 3.8 thousand people named Østby, more than in any other country we hold, where it is most often spelled østby.
- Where is Østby most common?
- Østby is densest in Norway, where the national register counts about 1 in 1.4 thousand people carrying it.
- How common is the name Østby?
- In Norway, the national register counted 3,792 people named Østby, about 1 in 1.4 thousand residents.
What do you want to know about Østby?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/%C3%B8stbyThe payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.
About this data
measured from records inferred from the name graph machine-generated
These figures come from the data snapshot of and will change as it is rebuilt.
Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.
Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.
Cite this page Mondonomo, “Østby”. Data snapshot 2026-10-10.