St-Cyr
surname · Latin script
Meaning: de Saint-Cyr, nom de plusieurs localités en France
Recorded for both men and women· direction only, no split published
St-Cyr is a surname written in the Latin script, with more bearers in China than in any other country.
- CACanada≈1 in 37K(inferred from the name graph)
- GBUnited Kingdom≈1 in 99K
- USUnited States1 in 106K
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.
- China (inferred from the name graph)
- Sources
- 193 (measured from records)
- ≈1 in 37K (inferred from the name graph)
≈14,000 people, est.
Highest-authority source
Canada, est.
measured from records inferred from the name graph
Spellings & scripts(measured from records)
One other spelling is counted as the same name:
Locally spelled Stcyr in US United States, GB United Kingdom, IT Italy and 2 more.
Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.
Meaning & origin(measured from records)
de Saint-Cyr, nom de plusieurs localités en France.
Sources 1
- Dictionnaire des noms de famille du Canada français. Anthroponymie et généalogie. 2e édition
Where in the world(measured from records)
St-Cyr 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 | |||
|---|---|---|---|---|---|
| CN China | ≈14,000 est. | ≈1 in 102K | — | Stcyr | 1 |
| US United States | 3,132 | 1 in 106K | 3.2K | Stcyr | 193 |
| CA Canada | ≈1,000 est. | ≈1 in 37K | — | St-Cyr | 112 |
| GB United Kingdom | ≈660 est. | ≈1 in 99K | 6 | Stcyr | 20 |
| IT Italy | ≈210 est. | ≈1 in 292K | — | Stcyr | 2 |
| NZ New Zealand | ≈43 est. | ≈1 in 113K | — | Stcyr | 2 |
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). 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).
Notable people with this name(measured from records)
- Thierry St-Cyrb. 1977CAnot in their usual nameCanadian politician
- Hugo St-Cyrb. 1978CAnot in their usual nameCanadian actor (1978–2015)
- Amik St-CyrCAnot in their usual namePh.D. Université de Montréal 2002
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 3 sources across 2 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| GB United Kingdom | Surnames of England and Wales (taliesin-arlein.net, Sept 2002 electoral register) | 2002 | 6 | #203,151 |
| US United States | wru Name Dictionary — US surnames, voter-file supplement (Khanna et al.) | — | — | — |
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 St-Cyr mean?
- Recorded meaning: de Saint-Cyr, nom de plusieurs localités en France.
- In which country does St-Cyr have the most bearers?
- Mondonomo estimates about 14 thousand people named St-Cyr in China, more than in any other country we hold, where it is most often spelled stcyr.
- How common is the name St-Cyr?
- In the United States, the national register counted 3,132 people named St-Cyr in 2010, about 1 in 106 thousand residents.
What do you want to know about St-Cyr?
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/st-cyrThe 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, “St-Cyr”. Data snapshot 2026-10-10.