Delazzari

surname · Latin script

Delazzari is a surname written in the Latin script, with more bearers in Brazil than in any other country. Recorded meaning: grafia justaposta de De Lazzari.

rarermore common
  • UYUruguay1 in 83K(measured from records)
  • ARArgentina1 in 433K
  • CHSwitzerland1 in 840K

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.

Brazil (measured from records)

214 people

Sources
33 (measured from records)

Highest-authority source

1 in 83K (inferred from the name graph)

Uruguay

measured from records inferred from the name graph

Name dossier (print, CSV)

Meaning & origin(measured from records)

grafia justaposta de De Lazzari.

Sources 1

  • Dicionário dos sobrenomes italianos

Where in the world(measured from records)

Delazzari 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 Delazzari is recorded, by country
CountryMost common spellingSources
BR Brazil2141 in 989K214Delazzari33
AR Argentina1051 in 433K105Delazzari13
UY Uruguay411 in 83K41Delazzari1
US United States≈18 est.≈1 in 18MlistedDelazzari7
FR France≈10 est.≈1 in 6.6M14——
CH Switzerland101 in 840K10——
BE Belgium61 in 2M6——

214 people counted by IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname). 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: IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); RENAPER — Apellidos (person counts, national); INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public); INSEE — Fichier des noms de famille (1891–2000); BFS — Familiennamen der Wohnbevölkerung (surnames); the us-wru-surnames-voterfile register; Familienaam.be — Belgian family-name frequency (population 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)

Delazzari is also recorded as another name, grouped separately because the records behind them do not connect to the one described above.

  • French surname2 spellings in the group

    Most recorded in France, Canada

    Also written De-Lazzari

11 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 3 sources across 3 countries.

Official registers attesting Delazzari
CountryRegisterYearCountRank
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)—214#34,772
AR ArgentinaRENAPER — Apellidos (person counts, national)—17—
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

What does the name Delazzari mean, and where does it come from?
grafia justaposta de De Lazzari. Recorded by Dicionário dos sobrenomes italianos.
In which country does Delazzari have the most bearers?
In Brazil, the national register counted about 214 people named Delazzari, more than in any other country we hold, where it is most often spelled delazzari.
Where is Delazzari most common?
Measured as a share of residents rather than as a count, Delazzari is densest in Uruguay — about 1 in 83 thousand people — even though Brazil holds more of our records for it.
How common is the name Delazzari?
In Brazil, the national register counted 214 people named Delazzari, about 1 in 989 thousand residents.

What do you want to know about Delazzari?

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Query this name via API
curl https://api.mondonomo.ai/api/v1/name-graph/delazzari

The same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. Rate-limited for casual use; a free API key gives 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, “Delazzari”. Data snapshot 2026-10-10.

See how Delazzari parses inside a full name →