Musso

surname · Latin script

Meaning: nickname for someone with some peculiarity of the mouth, Sicilian mussu, Italian muso (from Late Latin musum)

Recorded for both men and women· direction only, no split published

/ˈmusoʊ/(machine-generated) pronunciation, model-generated

Musso is a surname written in the Latin script, with more bearers in Italy than in any other country.

rarermore common
  • ARArgentina1 in 14K(measured from records)
  • USUnited States1 in 119K
  • BRBrazil1 in 336K

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.

Italy (inferred from the name graph)

≈5,800 people, est.

Sources
94 (measured from records)

Highest-authority source

1 in 6.5K (inferred from the name graph)

Uruguay

measured from records inferred from the name graph

Name dossier (print, CSV)

Meaning & origin(measured from records)

nickname for someone with some peculiarity of the mouth, Sicilian mussu, Italian muso (from Late Latin musum).

Sources 1

  • Dictionary of American Family Names

Attested in 1 language in the etymology graph.

Where in the world(measured from records)

Musso 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 Musso is recorded, by country
CountryMost common spellingSources
IT Italy—≈5,800 est.≈1 in 11KlistedMusso55
AR Argentina—3,1741 in 14K3.2KMusso76
US United States—2,7941 in 119K2.8KMusso94
FR France—≈1,500 est.≈1 in 44K140—2
BR Brazil—6311 in 336K631Musso61
UY Uruguay#9815231 in 6.5K523Musso32
CH Switzerland—1301 in 65K130Musso6

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: RENAPER — Apellidos (person counts, national); Census Bureau — Surname Frequency 2010; IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public); the xinhua-italian-manual register; INSEE — Fichier des noms de famille (1891–2000); BFS — Familiennamen der Wohnbevölkerung (surnames). 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)

Musso is also recorded as 4 other names, grouped separately because the records behind them do not connect to the one described above.

  • English surname7 spellings in the group

    Most recorded in United States, United Kingdom, Australia, Canada

    Languages: English, German, Dutch

    Also written Muşşo, Mussó

  • French surname4 spellings in the group

    Most recorded in France, United States, Italy, Belgium

    Also written Musső, Mussó

  • Italian surname2 spellings in the group

    Most recorded in Italy, United States, United Kingdom, Spain

    Also written Mussó

  • a separate name2 spellings in the group

    Also written Mussó

38 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)

Musso is also recorded in 3 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • from the personal name Musso, a northern form of Giacomo (see James).

    as a nameDictionary of American Family Names

  • In Italian, first-person singular present indicative of mussare

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

  • In Latin, to say in a soft voice, murmur

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

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)

1850190019502000Musso, b. 1898Jeff Musso, b. 1907Vido Musso, b. 1913Luigi Musso, b. 1924Francesco Musso, b. 1937Osvaldo Rodríguez, b. 1943Guillaume Musso, b. 1974Mason Musso, b. 1989Mitchel Musso, b. 1991Juan Musso, b. 1994

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).

How to address them(machine-generated)

FormalDear Musso,
InformalHello,

Evidence(measured from records)

Attested in 28 sources across 17 countries.

Official registers attesting Musso
CountryRegisterYearCountRank
AR ArgentinaRENAPER — Apellidos (person counts, national)—3.2K—
US United StatesCensus Bureau — Surname Frequency 201020102.8K#11,302
US United StatesCensus Bureau — Surname Frequency 200020002.5K#11,388
US United StatesCensus Bureau — Surname Frequency 202020202.5K#12,140
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)—631#13,813
UY UruguayINE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public)—523—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1961219—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1981214—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1951211—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1941208—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1921208—
FR FranceINSEE — Fichier des noms de famille (1891–2000)1971190—

Reference works 6

  • Dictionary of American Family Names
  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • Wikipedia surname tokens
  • Wikidata name items (native-script + romanized given/family names)
  • jeantosti.com — Dictionnaire des noms de famille de France et d'ailleurs (Jean Tosti)
  • Cognomix.it (Nomix s.r.l.) — Italian surname origin dictionary

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 Musso mean, and where does it come from?
nickname for someone with some peculiarity of the mouth, Sicilian mussu, Italian muso (from Late Latin musum). Recorded by Dictionary of American Family Names.
How do you pronounce Musso?
A machine transcription gives /ˈmusoʊ/ (IPA) for English.
In which country does Musso have the most bearers?
Mondonomo estimates about 5.8 thousand people named Musso in Italy, more than in any other country we hold, where it is most often spelled musso.
Where is Musso most common?
Measured as a share of residents rather than as a count, Musso is densest in Uruguay — about 1 in 6.5 thousand people — even though Italy holds more of our records for it.
How common is the name Musso?
In Argentina, the national register counted 3,174 people named Musso, about 1 in 14 thousand residents.
How common is Musso compared with other names?
In Uruguay, Musso is the 981st most common surname of 57,630 surnames recorded there.

What do you want to know about Musso?

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

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, “Musso” — the 981st most common surname in Uruguay. Data snapshot 2026-10-10.

See how Musso parses inside a full name →