Sydor
surname · Latin script
Recorded as a male name· opposite-gender records fall within measured source noise
/sɪdɔɹ/(machine-generated) pronunciation, model-generated
Sydor is a surname written in the Latin script, with more bearers in Poland than in any other country.
- UAUkraine≈1 in 51K(inferred from the name graph)
- USUnited States1 in 1M
- PLPoland1 in 30K
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.
- Poland (measured from records)
- 2 (measured from records)
- Sources
- 171 (measured from records)
- 1 in 30K (inferred from the name graph)
1,259 people, 2026
recorded for this name
Highest-authority source
Poland
measured from records inferred from the name graph
Spellings & scripts(measured from records)
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
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Where in the world(measured from records)
Sydor 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 | |||
|---|---|---|---|---|---|
| PL Poland | 1,259 | 1 in 30K | 649 | — | 1 |
| UA Ukraine | ≈860 est. | ≈1 in 51K | — | Sydor | 34 |
| US United States | 322 | 1 in 1M | 355 | Sydor | 171 |
| CA Canada | ≈190 est. | ≈1 in 200K | — | Sydor | 62 |
| BR Brazil | 112 | 1 in 1.9M | 112 | — | — |
| CH Switzerland | ≈55 est. | ≈1 in 152K | — | Sydor | 1 |
| UY Uruguay | 34 | 1 in 100K | 34 | — | — |
1,259 people counted by dane.gov.pl — PESEL living persons (surnames), 2026. 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; dane.gov.pl — PESEL living persons (surnames); IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public). 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)
- Vasyl Sydorb. 1910UAUkrainian army commander (1910–1949)
- Jerzy Sydorb. 1924PLPolish historian (1924–2013)
- Andrzej Sydorb. 1937PLPolish chess player
- Alison Sydorb. 1966CACanadian cyclist
- Paweł Sydorb. 1970PLPolish composer
- Darryl Sydorb. 1972CACanadian ice hockey player
- Joanna Sydorb. 1975PLPolish actress
- Maciej Sydorb. 1975PLPolish engineer, researcher
- Paweł SydorPLPolish researcher
- Bob Sydormusician
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 22 sources across 12 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| PL Poland | dane.gov.pl — PESEL living persons (surnames) | 2026 | 649 | — |
| PL Poland | dane.gov.pl — PESEL living persons (names) | — | 649 | #4,953 |
| PL Poland | dane.gov.pl — PESEL living persons (surnames) | 2026 | 610 | — |
| PL Poland | dane.gov.pl — PESEL living persons (names) | — | 610 | #5,177 |
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 355 | #61,138 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 326 | #58,257 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 322 | #62,189 |
| BR Brazil | IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname) | — | 112 | #58,162 |
| UY Uruguay | INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public) | — | 34 | — |
| US United States | wru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.) | — | — | — |
Reference works 4
- Wikipedia surname tokens
- Wikidata name items (native-script + romanized given/family names)
- Rymut, Słownik nazwisk współcześnie w Polsce używanych (10 vols, IJP PAN, Kraków 1992–1994) — every Polish surname in the PESEL register at the end of 1990, with bearer counts nationally and per voivodeship1990
- Hoffman, Polish Surnames: Origins and Meanings (2nd ed., 2012)
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
- How do you pronounce Sydor?
- A machine transcription gives /sɪdɔɹ/ (IPA) for Ukrainian.
- In which country does Sydor have the most bearers?
- In Poland, the national register counted about 1.3 thousand people named Sydor, more than in any other country we hold.
- Where is Sydor most common?
- Sydor is densest in Poland, where the national register counts about 1 in 30 thousand people carrying it.
- How common is the name Sydor?
- In Poland, the national register counted 1,259 people named Sydor in 2026, about 1 in 30 thousand residents.
What do you want to know about Sydor?
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/sydorThe 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, “Sydor”. Data snapshot 2026-10-10.