Mikołaj

given name · Latin script

Meaning: a male given name, equivalent to English Nicholas

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

Mikołaj is a given name written in the Latin script, with more bearers in Poland than in any other country.

rarermore common
  • PLPoland1 in 270(measured from records)
  • AFAfghanistan≈1 in 21K
  • EEEstonia≈1 in 88K

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.

Poland (measured from records)

141,544 people, 2026

Sources
102 (measured from records)

Highest-authority source

1 in 270 (inferred from the name graph)

Poland

measured from records inferred from the name graph

Meaning & origin(measured from records)

a male given name, equivalent to English Nicholas

Sources 1

  • kaikki.org Wiktionary extract (IPA + transliterations)

Attested across 18 languages in the etymology graph.

Where in the world(measured from records)

Mikołaj 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 Mikołaj is recorded, by country
CountryMost common spellingSources
PL Poland#167141,5441 in 270142KMikołaj102
AF Afghanistan—≈1,700 est.≈1 in 21K—Mikołaj1
FR France—≈110 est.≈1 in 635K—Mikołaj2
DE Germany—≈96 est.≈1 in 838K2Mikołaj28
GB United Kingdom—≈45 est.≈1 in 1.5MlistedMikołaj21
EE Estonia—≈14 est.≈1 in 88KlistedMikołaj4
AT Austria—≈12 est.≈1 in 754K—Mikołaj5

141,544 people counted by dane.gov.pl — PESEL given names (first + second name position, 2026-01-20), 2026. 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: dane.gov.pl — PESEL given names (first + second name position, 2026-01-20); the gb-nisra-baby-names-ni register; the de-duesseldorf-vornamen register; the ee-siseministeerium-registry register. 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)

Mikołaj is also recorded as 2 other names, grouped separately because the records behind them do not connect to the one described above.

  • Ukrainian given name76 spellings in the group

    Most recorded in Ukraine, United States, Russia, United Kingdom

    Languages: Ukrainian, Russian, Polish

    Also written Миколай, Nicholas, Mykolai, Николас, Nicolas

  • Croatian given name14 spellings in the group

    Most recorded in Spain, Croatia

    Also written Mikolaj, Миколај, Mîkołaj

45 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.

Other recorded senses(measured from records)

Mikołaj is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In Polish, Nicolas, Nicholas

    as a namePolish Personal Names (CIA Foreign Names Studies, ch. 24)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Notable people with this name(measured from records)

1400160018002000Mikołaj Sieniawski, b. 1489Mikołaj Rej, b. 1505Mikołaj Radziwiłł Czarny, b. 1515Mikołaj Zyblikiewicz, b. 1823Mikołaj Kruszewski, b. 1851Mikalojus Konstantinas Čiurlionis, b. 1875Nicholas Romanov, b. 1922Mikołaj Kozakiewicz, b. 1923Wojciech Zabłocki, b. 1930Henryk Górecki, b. 1933

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).

Evidence(measured from records)

Attested in 17 sources across 7 countries.

Official registers attesting Mikołaj
CountryRegisterYearCountRank
PL Polanddane.gov.pl — PESEL given names (first + second name position, 2026-01-20)2026142K#50
PL Polanddane.gov.pl — PESEL living persons (names)—139K#50
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20195.8K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20205.4K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20215.2K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20224.5K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20234.1K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20243.6K—
PL PolandMinistry of Digitalization — Imiona nadawane dzieciom w Polsce (2000–present)20253.2K—
PL Polanddane.gov.pl — PESEL given names (first + second name position, 2026-01-20)20264#13,753
PL Polanddane.gov.pl — PESEL living persons (names)—4#13,752
DE GermanyStadt Düsseldorf Open Data — Vornamen Neugeborene20152—

Reference works 4

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

What does the name Mikołaj mean, and where does it come from?
a male given name, equivalent to English Nicholas Recorded by kaikki.org Wiktionary extract (IPA + transliterations).
In which country does Mikołaj have the most bearers?
In Poland, the national register counted about 142 thousand people named Mikołaj, more than in any other country we hold, where it is most often spelled mikołaj.
Where is Mikołaj most common?
Mikołaj is densest in Poland, where the national register counts about 1 in 270 people carrying it.
What are other forms of the name Mikołaj?
In the etymology graph, Nicolas, Nicholas and Nick are forms of the same name in other languages.
Is Mikołaj a male or female name?
Mikołaj is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
How common is the name Mikołaj?
In Poland, the national register counted 141,544 people named Mikołaj in 2026, about 1 in 270 residents.
How common is Mikołaj compared with other names?
In Poland, Mikołaj is the 167th most common given name of 25,969 given names recorded there.

What do you want to know about Mikołaj?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/miko%C5%82aj

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, “Mikołaj” — the 167th most common given name in Poland. Data snapshot 2026-10-10.

See how Mikołaj parses inside a full name →