Petrolo
surname · Latin script
Meaning: de Petro com sufixo singular -olo
Recorded as a male name· opposite-gender records fall within measured source noise
/pet̪ɾolo/(machine-generated) pronunciation, model-generated
Petrolo is a surname written in the Latin script, with more bearers in Argentina than in any other country.
- CHSwitzerland1 in 156K(measured from records)
- ARArgentina1 in 276K
- BEBelgium1 in 689K
carrying the name, as counted by each country's national register. One hue, darker where it is more common; hover a country for its figure.
- Argentina (measured from records)
- Sources
- 55 (measured from records)
- 1 in 156K (inferred from the name graph)
165 people
Highest-authority source
Switzerland
measured from records inferred from the name graph
Meaning & origin(measured from records)
de Petro com sufixo singular -olo.
Sources 1
- Dicionário dos sobrenomes italianos
Where in the world(measured from records)
Petrolo 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.
| Country | Most common spelling | Sources | |||
|---|---|---|---|---|---|
| AR Argentina | 165 | 1 in 276K | 165 | — | — |
| CH Switzerland | 54 | 1 in 156K | 54 | — | 1 |
| BE Belgium | 17 | 1 in 689K | 17 | — | 3 |
| ES Spain | 10 | 1 in 5M | 10 | — | — |
| DK Denmark | 7 | 1 in 838K | 7 | — | — |
165 people counted by RENAPER — Apellidos (person counts, national). 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); BFS — Familiennamen der Wohnbevölkerung (surnames); Familienaam.be — Belgian family-name frequency (population register); INE — Padrón per-token widgets (current living counts, given + apellidos); Danmarks Statistik — Hvor mange hedder...? (living-population name counts). 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 recorded senses(measured from records)
Petrolo is also recorded in 2 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.
In Esperanto, petroleum, oil
as a wordkaikki.org Wiktionary extract (IPA + transliterations)
In io, petroleum
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)
- Giuseppe Petrolob. 1872ITItalian architect
- Lillob. 1962ITnot in their usual nameItalian comedian, actor and singer
- Emilio PetroloITItalian particle physicist
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)
Evidence(measured from records)
Attested in 12 sources across 10 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| AR Argentina | RENAPER — Apellidos (person counts, national) | — | 165 | — |
| CH Switzerland | BFS — Familiennamen der Wohnbevölkerung (surnames) | 2024 | 54 | #17,560 |
| BE Belgium | Familienaam.be — Belgian family-name frequency (population register) | 2008 | 17 | #53,745 |
| ES Spain | INE — Padrón per-token widgets (current living counts, given + apellidos) | — | 10 | #120,154 |
| DK Denmark | Danmarks Statistik — Hvor mange hedder...? (living-population name counts) | — | 7 | #52,895 |
Reference works 1
- 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 Petrolo mean, and where does it come from?
- de Petro com sufixo singular -olo. Recorded by Dicionário dos sobrenomes italianos.
- How do you pronounce Petrolo?
- A machine transcription gives /pet̪ɾolo/ (IPA) for Spanish.
- In which country does Petrolo have the most bearers?
- In Argentina, the national register counted about 165 people named Petrolo, more than in any other country we hold.
- Where is Petrolo most common?
- Measured as a share of residents rather than as a count, Petrolo is densest in Switzerland — about 1 in 156 thousand people — even though Argentina holds more of our records for it.
- How common is the name Petrolo?
- In Argentina, the national register counted 165 people named Petrolo, about 1 in 276 thousand residents.
What do you want to know about Petrolo?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/petroloThe 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, “Petrolo”. Data snapshot 2026-10-10.