Hieronimus

surname · Latin script

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

Hieronimus is a surname written in the Latin script, with more bearers in China than in any other country. Recorded meaning: variant of Hieronymus.

rarermore common
  • USUnited States1 in 1.3M(measured from records)
  • DEGermany≈1 in 122K
  • NZNew Zealand≈1 in 200K

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.

China (inferred from the name graph)

≈1,900 people, est.

Sources
119 (measured from records)

Highest-authority source

≈1 in 122K (inferred from the name graph)

Germany, est.

measured from records inferred from the name graph

Name dossier (print, CSV)

Meaning & origin(measured from records)

variant of Hieronymus.

Sources 2

Attested across 4 languages in the etymology graph.

Where in the world(measured from records)

Hieronimus 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 Hieronimus is recorded, by country
CountryMost common spellingSources
CN China≈1,900 est.≈1 in 726K—Hieronimus1
DE Germany≈660 est.≈1 in 122K—Hieronimus65
US United States2511 in 1.3M251Hieronimus119
FR France≈110 est.≈1 in 605K19—1
ES Spain≈40 est.≈1 in 1.2M—Hieronimus2
RS Serbia≈32 est.≈1 in 216K—Hieronimus1
NZ New Zealand≈25 est.≈1 in 200K—Hieronimus1
CH Switzerland≈18 est.≈1 in 474K—Hieronimus5

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; INSEE — Fichier des noms de famille (1891–2000). 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)

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

  • French surname4 spellings in the group

    Most recorded in France, United States, Belgium

    Also written Hiéronimus, Hiëronimus

  • Spanish surname3 spellings in the group

    Most recorded in United States, Argentina, Costa Rica, Panama

    Languages: Spanish, Portuguese

    Also written Hiéronimus

  • a separate name2 spellings in the group

    Also written Hiéronimus

31 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.

Notable people with this name(measured from records)

1850190019502000Otto Hieronimus, b. 1879Gérard Hieronimus, b. 1948Nicolas Hieronimus, b. 1964

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 12 sources across 3 countries.

Reference works 4

  • Dictionary of American Family Names
  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • Wikipedia given-name 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

What does the name Hieronimus mean, and where does it come from?
variant of Hieronymus. Recorded by Dictionary of American Family Names and Nordic Names.
In which country does Hieronimus have the most bearers?
Mondonomo estimates about 1.9 thousand people named Hieronimus in China, more than in any other country we hold, where it is most often spelled hieronimus.
How common is the name Hieronimus?
In the United States, the national register counted 251 people named Hieronimus in 2010, about 1 in 1.3 million residents.

What do you want to know about Hieronimus?

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

The same 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), and bulk access is licensed separately.

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, “Hieronimus”. Data snapshot 2026-10-10.

See how Hieronimus parses inside a full name →