Clausén

surname · Latin script

Clausén is a surname written in the Latin script, with more bearers in Denmark than in any other country, where it is the 39th most common surname. Recorded meaning: Originally a patronymic from Claus + -sen.

  • DKDenmark1 in 479(measured from records)
  • NONorway1 in 2.4K
  • AGAntigua & Barbuda≈1 in 6.6Kfew records

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.

Denmark (measured from records)

12,257 people

Record sources
376 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

1 in 479 (inferred from the name graph)

Denmark

measured from records inferred from the name graph

Spellings & scripts

(measured from records)

One other spelling is counted as the same name:

Locally spelled Clausen in US United States, DK Denmark, DE Germany and 4 more.

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

(measured from records)

Originally a patronymic from Claus + -sen.

Cited for this meaning 3

  • The Oxford Dictionary of Family Names in Britain and Ireland
  • Wiktionary
  • Encyclopedia of surnames [the complete companion to tracing your names history]

Attested across 19 languages in the etymology graph.

Where in the world

(measured from records)

Clausén 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.

Where Clausén is recorded, by country
CountryMost common spellingSources
DK Denmark#3912,2571 in 47912KClausen160
US United States—8,9061 in 37K8.9KClausen376
DE Germany#944≈8,200 est.≈1 in 10K—Clausen146
NO Norway#3472,3101 in 2.4K2.3KClausen50
GB United Kingdom—≈1,200 est.≈1 in 57K—Clausen75
IS Iceland#843≈81 est.≈1 in 4.8K1Clausen24
AG Antigua & Barbuda#165≈14 est.≈1 in 6.6K—Clausen1

12,257 people counted by Danmarks Statistik — Hvor mange hedder...? (living-population name counts). 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: Census Bureau — Surname Frequency 2010; Danmarks Statistik — Hvor mange hedder...? (living-population name counts); SSB — Navnesøk (name-search service, living population); Þjóðskrá Íslands — Name frequencies (NafnTíðni, registry). 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).

Other names spelled this way

(inferred from the name graph)

Clausén is also recorded as 3 other names, grouped separately because the records behind them do not connect to the one described above.

  • a separate name2 spellings in the group

    Also written Clausen

  • Spanish surname5 spellings in the group

    Most recorded in Argentina, United States, Peru, Brazil

    Languages: Spanish, Portuguese

    Also written Clausen, Clãūsęn

  • Russian surname12 spellings in the group

    Most recorded in Russia, United States, Ukraine, Norway

    Languages: Russian, Ukrainian

    Also written Clausen, Клаузен, Klausen, Klauzen, Кляузэн

1 further group record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Evidence

(measured from records)

No register attests this spelling yet

None of the official registers or reference works in our corpus lists Clausén under this spelling. The statistics on this page rest on person records, and the related names are inferred from the name graph.

Frequently asked questions

What does the name Clausén mean, and where does it come from?
Originally a patronymic from Claus + -sen. Recorded by The Oxford Dictionary of Family Names in Britain and Ireland and Wiktionary and 1 other source.
In which country does Clausén have the most bearers?
In Denmark, the national register counted about 12 thousand people named Clausén, more than in any other country we hold, where it is most often spelled clausen.
Where is Clausén most common?
Clausén is densest in Denmark, where the national register counts about 1 in 479 people carrying it.
How common is the name Clausén?
In Denmark, the national register counted 12,257 people named Clausén, about 1 in 479 residents.
How common is Clausén compared with other names?
In Denmark, Clausén is the 39th most common surname of 88,366 surnames recorded there.

What do you want to know about Clausén?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/claus%C3%A9n

The 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, “Clausén” — the 39th most common surname in Denmark. Data snapshot 2026-10-13.

See how Clausén parses inside a full name →