Sedlácek
surname · Latin script
(measured from records)Officially recorded in 2 countries
Sedlácek is a surname written in the Latin script, with more bearers in Czechia than in any other country, where it is the 36th most common surname. Recorded meaning: From Czech Sedláček.
- CZCzechia1 in 1.2K(measured from records)
- USUnited States1 in 134K
- SKSlovakia1 in 5.4K
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.
- Czechia (measured from records)
- Record sources
- 104 (measured from records)
- 1 in 1.2K (inferred from the name graph)
8,946 people
corpus datasets behind its best-documented spelling
strongest: highest-authority source
Czechia
measured from records inferred from the name graph
Spellings & scripts
(measured from records)Locally spelled Sedlacek in US United States, GB United Kingdom, CA Canada and Sedláček in CZ Czechia, SK Slovakia.
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)From Czech Sedláček.
Cited for this meaning 1
Attested across 14 languages in the etymology graph.
Where in the world
(measured from records)Sedlácek 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 | ||||
|---|---|---|---|---|---|---|
| CZ Czechia | #36 | 8,946 | 1 in 1.2K | 8.9K | Sedláček | 87 |
| US United States | — | 2,489 | 1 in 134K | 2.5K | Sedlacek | 104 |
| SK Slovakia | #431 | 1,003 | 1 in 5.4K | 1K | Sedláček | 41 |
| GB United Kingdom | — | ≈290 est. | ≈1 in 229K | 40 | Sedlacek | 18 |
| CA Canada | — | ≈230 est. | ≈1 in 164K | — | Sedlacek | 15 |
| HR Croatia | — | 154 | 1 in 27K | 154 | — | 1 |
8,946 people counted by MVČR — living population register 2017. 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: MVČR — living population register 2017; Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2000; JÚĽŠ SAV — Databáza priezvisk na Slovensku (surname database, 1995 census); DZS — Imena i prezimena (per-token lookup form); 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).
Evidence
(measured from records)No register attests this spelling yet
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name Sedlácek mean, and where does it come from?
- From Czech Sedláček. Recorded by Wiktionary.
- In which country does Sedlácek have the most bearers?
- In Czechia, the national register counted about 8.9 thousand people named Sedlácek, more than in any other country we hold, where it is most often spelled sedláček.
- Where is Sedlácek most common?
- Sedlácek is densest in Czechia, where the national register counts about 1 in 1.2 thousand people carrying it.
- How common is the name Sedlácek?
- In Czechia, the national register counted 8,946 people named Sedlácek, about 1 in 1.2 thousand residents.
- How common is Sedlácek compared with other names?
- In Czechia, Sedlácek is the 36th most common surname of 114,573 surnames recorded there.
What do you want to know about Sedlácek?
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/sedl%C3%A1cekThe 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, “Sedlácek” — the 36th most common surname in Czechia. Data snapshot 2026-10-13.