Gaizo
surname · Latin script
(measured from records)Officially recorded in 1 country
Gaizo is a surname written in the Latin script, with more bearers in Italy than in any other country. Recorded meaning: poor, unfortunate; ill, sick; illness.
- ARArgentina≈1 in 970Kfew records(inferred from the name graph)
- ITItaly≈1 in 140Kfew records
- USUnited States≈1 in 3.2Mfew records
carrying the name, as Mondonomo estimates it from our sources: no national register counts it in these countries. One hue, darker where it is more common; hover a country for its figure.
- Italy (inferred from the name graph)
- Record sources
- 32 (measured from records)
- ≈1 in 139K (inferred from the name graph)
≈420 people, est.
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Italy, est.
measured from records inferred from the name graph
Meaning & origin
(measured from records)poor, unfortunate; ill, sick; illness
Cited for this meaning 1
- Trask, Etymological Dictionary of Basque (2008 posthumous draft)
Where the surname Gaizo is found
(measured from records)Gaizo 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 | ≈420 est. | ≈1 in 139K | — | Gaizo | 16 |
| US United States | ≈110 est. | ≈1 in 3.2M | listed | Gaizo | 32 |
| AR Argentina | ≈47 est. | ≈1 in 967K | — | Gaizo | 25 |
| BR Brazil | ≈36 est. | ≈1 in 5.8M | — | Gaizo | 20 |
| GB United Kingdom | ≈21 est. | ≈1 in 3.3M | — | Gaizo | 2 |
| ES Spain | ≈13 est. | ≈1 in 3.7M | — | Gaizo | 8 |
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: the us-wru-surnames-voterfile 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 recorded senses
(measured from records)Gaizo 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.
In Basque, poor, unfortunate; ill, sick; illness
as a wordTrask, Etymological Dictionary of Basque (2008 posthumous draft)
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.
Evidence
(measured from records)1 register or reference work attests this spelling, across 1 country.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name Gaizo mean, and where does it come from?
- poor, unfortunate; ill, sick; illness Recorded by Trask, Etymological Dictionary of Basque (2008 posthumous draft).
- Which countries have the most people with the surname Gaizo?
- Mondonomo estimates about 424 people named Gaizo in Italy, more than in any other country we hold, where it is most often spelled gaizo. After it come United States, Argentina, Brazil and United Kingdom; the country table on this page ranks them.
- How common is the name Gaizo?
- Mondonomo estimates about 420 people in Italy have Gaizo as their first surname, about 1 in 139 thousand residents. No national register counts it there; the figure is ours, calibrated against the registers that do.
What do you want to know about Gaizo?
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/gaizoThe 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, “Gaizo”. Data snapshot 2026-10-13.