Iacono
surname · Latin script
Meaning, in English: A surname from Italian, equivalent to English Deacon
Recorded for both men and women· direction only, no split published
Iacono is a surname written in the Latin script, with more bearers in Italy than in any other country.
- AUAustralia≈1 in 57K(inferred from the name graph)
- GBUnited Kingdom≈1 in 126K
- USUnited States1 in 167K
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)
- Sources
- 257 (measured from records)
- ≈1 in 9.3K (inferred from the name graph)
≈6,700 people, est.
Highest-authority source
Italy, est.
measured from records inferred from the name graph
Meaning & origin(measured from records)
1. according to Caracausi, this is from iacono, southern dialect form of diacono ‘deacon’, hence an occupational name for someone in the service of a deacon or a nickname for someone thought to resemble a deacon. 2. Possibly from an augmentative of Giacco, a short form of the personal name Giacomo.
Sources 1
- Dictionary of American Family Names
Attested in 1 language in the etymology graph.
How Iacono is read(measured from records)
Iacono is one spelling over 4 language communities, and the dictionaries record it differently in 2 of them. Each row is what a source recorded for that language, beside the share of this name’s records the language holds. No single row is the name’s meaning.
- English49%
A surname from Italian, equivalent to English Deacon.
as a wordkaikki.org Wiktionary extract (IPA + transliterations)
- Spanish17%
No dictionary in our sources glosses Iacono in Spanish.
- Italian15%
a surname from Sicilian
as a wordkaikki.org Wiktionary extract (IPA + transliterations)
do latim diaconus, 'diácono'; forma meridional
as a nameDicionário dos sobrenomes italianos
- French8.7%
No dictionary in our sources glosses Iacono in French.
The share is ours — how much of this name’s records each language holds. The sense beside it is the source’s, quoted and credited, including where it names a gender. We do not publish a gender of our own per language: our records carry one figure for the spelling as a whole.
Where in the world(measured from records)
Iacono 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 | |||
|---|---|---|---|---|---|
| IT Italy | ≈6,700 est. | ≈1 in 9.3K | listed | Iacono | 68 |
| US United States | 1,990 | 1 in 167K | 2K | Iacono | 257 |
| AR Argentina | 920 | 1 in 49K | 920 | — | 1 |
| FR France | ≈650 est. | ≈1 in 104K | 83 | — | 4 |
| GB United Kingdom | ≈520 est. | ≈1 in 126K | 182 | Iacono | 71 |
| AU Australia | ≈450 est. | ≈1 in 57K | — | Iacono | 83 |
| PY Paraguay | ≈370 est. | ≈1 in 20K | — | Iacono | 2 |
| BE Belgium | 223 | 1 in 53K | 236 | Iacono | 15 |
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; Census Bureau — Surname Frequency 2020; Surnames of England and Wales (taliesin-arlein.net, Sept 2002 electoral register); RENAPER — Apellidos (person counts, national); the xinhua-italian-manual register; Familienaam.be — Belgian family-name frequency (population register); Statbel — Noms de famille (family names); 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 recorded senses(measured from records)
Iacono is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.
1. according to Caracausi, this is from iacono, southern dialect form of diacono ‘deacon’, hence an occupational name for someone in the service of a deacon or a nickname for someone thought to resemble a deacon. 2. Possibly from an augmentative of Giacco, a short form of the personal name Giacomo.
as a nameDictionary of American Family Names
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)
- Angelo Iaconob. 1937ITItalian film director, screenwriter and film producer
- Franco Iaconob. 1942ITItalian politician
- Maria Iaconob. 1962ITItalian politician
- Angelo Iaconob. 1965CACanadian politician and lawyer
- Gianluca Iaconob. 1970ITItalian voice actor
- Sal Iaconob. 1971USAmerican comedian (born 1971)
- Alessandro Iaconob. 1973ITItalian footballer
- Alexis Iaconob. 1974USAmerican actress
- David Iaconob. 2002USAmerican actor
- Eduardo Iaconoactor
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 32 sources across 19 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 2K | #14,145 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 2K | #14,876 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 2K | #13,971 |
| AR Argentina | RENAPER — Apellidos (person counts, national) | — | 920 | — |
| BE Belgium | Statbel — Noms de famille (family names) | — | 236 | #7,455 |
| BE Belgium | Familienaam.be — Belgian family-name frequency (population register) | 2008 | 223 | #7,577 |
| GB United Kingdom | Surnames of England and Wales (taliesin-arlein.net, Sept 2002 electoral register) | 2002 | 182 | #22,663 |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1961 | 104 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1991 | 83 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1971 | 76 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1981 | 72 | — |
| FR France | INSEE — Fichier des noms de famille (1891–2000) | 1951 | 42 | — |
Reference works 7
- Dictionary of American Family Names
- The Oxford Dictionary of Family Names in Britain and Ireland
- 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
- Where does the name Iacono come from?
- 1. according to Caracausi, this is from iacono, southern dialect form of diacono ‘deacon’, hence an occupational name for someone in the service of a deacon or a nickname for someone thought to resemb… Recorded by Dictionary of American Family Names.
- What does the name Iacono mean?
- In English, A surname from Italian, equivalent to English Deacon.
- In which country does Iacono have the most bearers?
- Mondonomo estimates about 6.7 thousand people named Iacono in Italy, more than in any other country we hold, where it is most often spelled iacono.
- How common is the name Iacono?
- In the United States, the national register counted 1,990 people named Iacono in 2010, about 1 in 167 thousand residents.
What do you want to know about Iacono?
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/iaconoThe 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, “Iacono”. Data snapshot 2026-10-10.