Plachy

surname · Latin script

Recorded as a female name· opposite-gender records fall within measured source noise

/pletʃi/(machine-generated) pronunciation, model-generated

Plachy is a surname written in the Latin script, with more bearers in Czechia than in any other country.

rarermore common
  • CZCzechia1 in 6.5K(measured from records)
  • SKSlovakia1 in 19K
  • GTGuatemala≈1 in 543K

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)

1,651 people

Sources
45 (measured from records)

Highest-authority source

1 in 6.5K (inferred from the name graph)

Czechia

measured from records inferred from the name graph

Spellings & scripts(measured from records)

One other spelling is counted as the same name:

Locally spelled Plachý 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

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Attested across 10 languages in the etymology graph.

Where in the world(measured from records)

Plachy 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.

Where Plachy is recorded, by country
CountryMost common spellingSources
CZ Czechia#6631,6511 in 6.5K1.7KPlachý45
SK Slovakia—2901 in 19K290Plachý15
US United States—2291 in 1.5M274Plachy19
CO Colombia—≈50 est.≈1 in 991K—Plachy1
GT Guatemala—≈32 est.≈1 in 543K—Plachy1
CL Chile—≈18 est.≈1 in 1M—Plachy1

1,651 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; JÚĽŠ SAV — Databáza priezvisk na Slovensku (surname database, 1995 census); Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2000. 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 names spelled this way(inferred from the name graph)

Plachy is also recorded as 7 other names, grouped separately because the records behind them do not connect to the one described above.

  • English surname5 spellings in the group

    Most recorded in United States, Germany, Austria, United Kingdom

    Languages: English, German

    Also written Plachý

  • a separate name2 spellings in the group

    Also written Plachý

  • Polish surname2 spellings in the group

    Most recorded in United States, Poland

    Also written Plachý

  • French surname2 spellings in the group

    Most recorded in United States, France

    Also written Plachý

  • Hungarian surname2 spellings in the group

    Most recorded in Hungary

    Also written Plachý

  • Hindi surname3 spellings in the group

    Most recorded in United States

    Also written Plachý

  • Icelandic surname6 spellings in the group

    Most recorded in Iceland

    Also written Plachý

17 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Notable people with this name(measured from records)

1800185019001950Ferenc Plachy, b. 1801Mátyás Plachy, b. 1930Sylvia Plachy, b. 1943

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)

FormalDear Plachy,
InformalHello,

Evidence(measured from records)

Attested in 9 sources across 2 countries.

Official registers attesting Plachy
CountryRegisterYearCountRank
US United StatesCensus Bureau — Surname Frequency 20002000274#67,317
US United StatesCensus Bureau — Surname Frequency 20202020242#83,650
US United StatesCensus Bureau — Surname Frequency 20102010229#82,317
US United Stateswru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.)———

Reference works 3

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 Plachy?
A machine transcription gives /pletʃi/ (IPA) for English.
In which country does Plachy have the most bearers?
In Czechia, the national register counted about 1.7 thousand people named Plachy, more than in any other country we hold, where it is most often spelled plachý.
Where is Plachy most common?
Plachy is densest in Czechia, where the national register counts about 1 in 6.5 thousand people carrying it.
How common is the name Plachy?
In Czechia, the national register counted 1,651 people named Plachy, about 1 in 6.5 thousand residents.
How common is Plachy compared with other names?
In Czechia, Plachy is the 663rd most common surname of 114,573 surnames recorded there.

What do you want to know about Plachy?

Nobody replies to these one by one, but what readers ask decides what these pages answer next.

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/plachy

The 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, “Plachy” — the 663rd most common surname in Czechia. Data snapshot 2026-10-10.

See how Plachy parses inside a full name →