Sydow
surname · Latin script
Meaning: Toponymic surname from a place name in -ow; bearers in Poland: 189
Recorded as a female name· opposite-gender records fall within measured source noise
/ˈsɪdoʊ/(machine-generated) pronunciation, model-generated
Sydow is a surname written in the Latin script, with more bearers in the United States than in any other country.
- NONorway1 in 42K(measured from records)
- SESweden1 in 101K
- PLPoland1 in 207K
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.
- United States (measured from records)
- Sources
- 19 (measured from records)
- 1 in 42K (inferred from the name graph)
990 people, 2010
Highest-authority source
Norway
measured from records inferred from the name graph
Meaning & origin(measured from records)
Toponymic surname from a place name in -ow; bearers in Poland: 189.
Sources 1
- Deutscher Familiennamenatlas, Band 4: Familiennamen nach Herkunft und Wohnstätte
Attested in 1 language in the etymology graph.
Where in the world(measured from records)
Sydow 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.
990 people counted by Census Bureau — Surname Frequency 2010, 2010. 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; IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); SSB — Navnesøk (name-search service, living population); Skatteverket — Sök hur många som har ett visst namn (living population); dane.gov.pl — PESEL living persons (surnames); 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)
Sydow 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 German, Toponymischer Familienname aus dem Siedlungsnamen Sydow in Sachsen-Anhalt und Pommern. Belegzahl: 1289.
as a nameDeutscher Familiennamenatlas, Band 4: Familiennamen nach Herkunft und Wohnstätte
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)
- Adolf Sydowb. 1800DEGerman theologian (1800-1882)
- Paul Sydowb. 1851DEGerman mycologist and lichenologist (1851–1925)
- Reinhold Sydowb. 1851DEGerman jurist, politician and civil servant (1851-1943)
- Hans Sydowb. 1879DEGerman mycologist and botanist (1879–1946)
- Kristian von Sydowb. 1917SE(1917-2008)
- Tullia von Sydowb. 1918SESwedish politician
- Stina von Sydowb. 1957SESwedish actress
- Mia Sydow Möllebyb. 1960SESwedish politician
- Henrik von Sydowb. 1976SESwedish politician
- René Sydowb. 1980DEGerman actor and author
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 21 sources across 13 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 990 | #25,083 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 976 | #24,115 |
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 939 | #27,218 |
| BR Brazil | IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname) | — | 153 | #45,615 |
| NO Norway | SSB — Navnesøk (name-search service, living population) | — | 130 | #12,098 |
| SE Sweden | Skatteverket — Sök hur många som har ett visst namn (living population) | — | 101 | #7,165 |
| PL Poland | dane.gov.pl — PESEL living persons (surnames) | 2026 | 100 | — |
| PL Poland | dane.gov.pl — PESEL living persons (names) | — | 100 | #30,068 |
| PL Poland | dane.gov.pl — PESEL living persons (surnames) | 2026 | 85 | — |
| PL Poland | dane.gov.pl — PESEL living persons (names) | — | 85 | #33,751 |
| DK Denmark | Danmarks Statistik — Hvor mange hedder...? (living-population name counts) | — | 28 | #17,776 |
| US United States | wru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.) | — | — | — |
Reference works 4
- Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
- 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
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 Sydow mean, and where does it come from?
- Toponymic surname from a place name in -ow; bearers in Poland: 189. Recorded by Deutscher Familiennamenatlas, Band 4: Familiennamen nach Herkunft und Wohnstätte.
- How do you pronounce Sydow?
- A machine transcription gives /ˈsɪdoʊ/ (IPA) for English.
- In which country does Sydow have the most bearers?
- In the United States, the national register counted about 990 people named Sydow, more than in any other country we hold, where it is most often spelled sydow.
- Where is Sydow most common?
- Measured as a share of residents rather than as a count, Sydow is densest in Norway — about 1 in 42 thousand people — even though United States holds more of our records for it.
- How common is the name Sydow?
- In the United States, the national register counted 990 people named Sydow in 2010, about 1 in 336 thousand residents.
What do you want to know about Sydow?
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/sydowThe 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, “Sydow”. Data snapshot 2026-10-10.