Kalcso

surname · Latin script

Recorded as a male name· opposite-gender records fall within measured source noise

Kalcso is a surname written in the Latin script, with more bearers in the United States than in any other country.

rarermore common
  • CZCzechia1 in 5.4M(measured from records)
  • USUnited States≈1 in 24M

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.

United States (inferred from the name graph)

≈14 people, est.

Sources
18 (measured from records)

Highest-authority source

1 in 5.4M (inferred from the name graph)

Czechia

measured from records inferred from the name graph

Name dossier (print, CSV)

Meaning & origin

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Where in the world(measured from records)

Kalcso 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 Kalcso is recorded, by country
CountryMost common spellingSources
US United States≈14 est.≈1 in 24MlistedKalcso18
CZ Czechia21 in 5.4M2——

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: the us-wru-surnames-voterfile register; MVČR — living population register 2017. 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)

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

  • Spanish surname4 spellings in the group

    Most recorded in Argentina

    Also written Kalcsó

  • Hungarian surname2 spellings in the group

    Most recorded in Hungary

    Also written Kalcsó

  • a separate name2 spellings in the group

    Also written Kalcsó

5 further groups 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)

Attested in 2 sources across 2 countries.

Official registers attesting Kalcso
CountryRegisterYearCountRank
CZ CzechiaMVČR — living population register 2017—2#195,010
US United Stateswru Name Dictionary — US surnames, voter-file supplement (Khanna et al.)———

Register rows as of the 2026-10-09 data build.

Frequently asked questions

In which country does Kalcso have the most bearers?
Mondonomo estimates about 14 people named Kalcso in the United States, more than in any other country we hold, where it is most often spelled kalcso.
Where is Kalcso most common?
Measured as a share of residents rather than as a count, Kalcso is densest in Czechia — about 1 in 5.4 million people — even though United States holds more of our records for it.
How common is the name Kalcso?
In Czechia, the national register counted 2 people named Kalcso, about 1 in 5.4 million residents.

What do you want to know about Kalcso?

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

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, “Kalcso”. Data snapshot 2026-10-10.

See how Kalcso parses inside a full name →