How do you pronounce Hieronymus?

Hieronymus is /ˌhaɪ.(ə)ˈɹɑnɪməs/, 4 syllables.

Is Hieronymus also a surname?

Yes. Hieronymus is used as a surname as well as a first name; its surname page has the origin and how many people carry it.

A unisex name from Greek meaning “having a holy name”.

Pronounced /ˌhaɪ.(ə)ˈɹɑnɪməs/ 4 syllables Unisex Also a surname

Greek origin

Hieronymus means “having a holy name” in Greek.

From Latin Hierōnymus, from Ancient Greek Ἱερώνυμος (Hierṓnumos, “having a holy name”). Doublet of Geronimo and Jerome.

From Wiktionary (CC BY-SA 4.0).

Equivalent forms of the name, from Wiktionary

Йероним

Jeronim

Bulgarian

Jeroni

Catalan, also Jerònim

Jérôme

French, also Gérôme, Hiéronyme

Iaróm

Irish

Geronimo

Italian, also Girolamo, Gerolamo

Hieronim

Polish

Jerónimo

Portuguese, also Jerônimo

Иеро́ним

Ijerónim

Russian

Hierónimo

Spanish, also Jerónimo

Sierôm

Welsh

Spelled Hieronymus in German too.

23 on Wikidata, most written-about first

Hieronymus Bosch
Dutch painter (c. 1450–1516)
Hieronymus Bock
German botanist (1498-1554)
Hieronymus of Cardia
4th/3rd century BC Greek general and historian, -353–-249
Hieronymus Georg Zeuthen
Danish mathematician (1839–1920)
Hieronymus Cock
Engraver and printmaker from the Southern Netherlands (1518-1570)
Hieronymus of Syracuse
3rd century BCE tyrant, -230–-213
Johann Hieronymus Kapsberger
German-Italian virtuoso performer and composer, 1580–1651
Hieronymus van Alphen
Dutch poet and writer (1746–1803)
Johann Hieronymus Kniphof
German botanist (1704–1763)
Hieronymus Karl Graf von Colloredo-Mansfeld
(1775-1822) Austrian general
Hieronymus Wierix
Flemish engraver and draughtsman (1553–1619)
Hieronymus David Gaubius
German chemist, 1705–1780

What does the name Hieronymus mean?: Hieronymus means “having a holy name” in Greek.
What is the origin of the name Hieronymus?: From Latin Hierōnymus, from Ancient Greek Ἱερώνυμος (Hierṓnumos, “having a holy name”). Doublet of Geronimo and Jerome.
How do you pronounce Hieronymus?: Hieronymus is /ˌhaɪ.(ə)ˈɹɑnɪməs/, 4 syllables.
Is Hieronymus also a surname?: Yes. Hieronymus is used as a surname as well as a first name; its surname page has the origin and how many people carry it.