# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jean-sylvain-bailly
# Generated: 2026-08-13T19:46:55.280Z

schema: https://schema.org/Person
url: "https://fame.am/person/jean-sylvain-bailly"
name: "Jean Sylvain Bailly"
slug: "jean-sylvain-bailly"
description: "Jean Sylvain Bailly was a French astronomer, mathematician, freemason, and political leader of the early part of the French Revolution. He presided over the Tennis Court Oath, served as the mayor of Paris from 1789 to 1791, and was ultimately guillotined during the Reign of Terror."
tagline: "French astronomer, mathematician, freemason, and political leader (1736-1793)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Jean_Sylvain_Bailly%2C_Maire_de_Paris.png?width=1200"
gender: "male"
country:
  name: "France"
  isoCode: "FR"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1736-09-15"
deathDate: "1793-11-12"
livingStatus: "DECEASED"
scores:
  popularity:           53.44
  momentum:             0.2466236054022314
  historical:           22.45512666666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fr.wikiquote.org/wiki/Jean_Sylvain_Bailly"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%B3%D9%8A%D9%84%D9%81%D8%A7%D9%86_%D8%A8%D8%A7%D9%8A%D9%8A"
    title: "جان سيلفان بايي"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%B3%D9%8A%D9%84%D9%81%D8%A7%D9%86_%D8%A8%D8%A7%D9%8A%D9%89"
    title: "جان سيلفان بايى"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%96%D0%B0%D0%BD_%D0%A1%D0%B8%D0%BB%D0%B2%D0%B5%D0%BD_%D0%91%D0%B0%D0%B9%D0%B8"
    title: "Жан Силвен Байи"
    type:  "WIKIPEDIA"
  - url: "https://br.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Jean-Sylvain_Bailly"
    title: "Jean-Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%96%CE%B1%CE%BD-%CE%A3%CE%B9%CE%BB%CE%B2%CE%B1%CE%AF%CE%BD_%CE%9C%CF%80%CE%B1%CE%B3%CE%AF"
    title: "Ζαν-Σιλβαίν Μπαγί"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%DA%98%D8%A7%D9%86_%D8%B3%DB%8C%D9%84%D9%88%D8%A7%D9%86_%D8%A8%DB%8C%DB%8C"
    title: "ژان سیلوان بیی"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%96'%D7%90%D7%9F_%D7%A1%D7%99%D7%9C%D7%91%D7%9F_%D7%91%D7%90%D7%99%D7%99"
    title: "ז'אן סילבן באיי"
    type:  "WIKIPEDIA"
  - url: "https://hy.wikipedia.org/wiki/%D4%BA%D5%A1%D5%B6_%D5%8D%D5%AB%D5%AC%D5%BE%D5%A5%D5%B6_%D4%B2%D5%A1%D5%B5%D5%AB"
    title: "Ժան Սիլվեն Բայի"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A3%E3%83%B3%EF%BC%9D%E3%82%B7%E3%83%AB%E3%83%B4%E3%82%A1%E3%83%B3%E3%83%BB%E3%83%90%E3%82%A4%E3%82%A4"
    title: "ジャン＝シルヴァン・バイイ"
    type:  "WIKIPEDIA"
  - url: "https://ka.wikipedia.org/wiki/%E1%83%9F%E1%83%90%E1%83%9C_%E1%83%A1%E1%83%98%E1%83%9A%E1%83%95%E1%83%94%E1%83%9C_%E1%83%91%E1%83%90%E1%83%98%E1%83%98"
    title: "ჟან სილვენ ბაიი"
    type:  "WIKIPEDIA"
  - url: "https://kk.wikipedia.org/wiki/%D0%96%D0%B0%D0%BD_%D0%A1%D0%B8%D0%BB%D1%8C%D0%B2%D1%8C%D0%B5%D0%BD_%D0%91%D0%B0%D0%B9%D0%B8"
    title: "Жан Сильвьен Байи"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%9E%A5_%EC%8B%A4%EB%B1%85_%EB%B0%94%EC%9D%B4"
    title: "장 실뱅 바이"
    type:  "WIKIPEDIA"
  - url: "https://la.wikipedia.org/wiki/Ioannes_Silvanus_Bailly"
    title: "Ioannes Silvanus Bailly"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Jean_Sylvain_Bailly"
    title: "Jean Sylvain Bailly"
    type:  "WIKIPEDIA"
  - url: "https://en.wikiquote.org/wiki/Jean_Sylvain_Bailly"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://www.wikidata.org/wiki/Q1685301"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump