# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/mary-f-lyon
# Generated: 2026-08-15T10:02:03.669Z

schema: https://schema.org/Person
url: "https://fame.am/person/mary-f-lyon"
name: "Mary F. Lyon"
slug: "mary-f-lyon"
description: "Mary Frances Lyon was an English geneticist best known for her discovery of X-chromosome inactivation, an important biological phenomenon."
tagline: "English geneticist (1925–2014)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Mary_Frances_Lyon.png?width=1200"
gender: "female"
country:
  name: "United Kingdom"
  isoCode: "GB"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1925-05-15"
deathDate: "2014-12-25"
livingStatus: "DECEASED"
scores:
  popularity:           52.81
  momentum:             9.139072847682119
  historical:           20.15910933333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E7%91%AA%E8%8E%89%C2%B7%E9%87%8C%E6%98%82"
    title: "瑪莉·里昂"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D9%8A_%D9%84%D9%8A%D9%88%D9%86"
    title: "ماري ليون"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D9%89_%D9%84%D9%8A%D9%88%D9%86"
    title: "مارى ليون"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%DB%8C_%D8%A7%D9%81_%D9%84%DB%8C%D9%88%D9%86"
    title: "ماری اف لیون"
    type:  "WIKIPEDIA"
  - url: "https://be.wikipedia.org/wiki/%D0%9C%D1%8D%D1%80%D1%8B_%D0%A4%D1%80%D1%8D%D0%BD%D1%81%D1%96%D1%81_%D0%9B%D0%B0%D1%8F%D0%BD"
    title: "Мэры Фрэнсіс Лаян"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Mary_F._Lyonov%C3%A1"
    title: "Mary F. Lyonová"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Mary_F._Lyon"
    title: "Mary F. Lyon"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Mary_Lyon"
    title: "Mary Lyon"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Mary_F._Lyon"
    title: "Mary F. Lyon"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%DB%8C_%D8%A7%D9%81_%D9%84%DB%8C%D9%88%D9%86"
    title: "ماری اف لیون"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Mary_F._Lyon"
    title: "Mary F. Lyon"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://ha.wikipedia.org/wiki/Mary_F._Lyon"
    title: "Mary F. Lyon"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%9E%D7%A8%D7%99_%D7%9C%D7%99%D7%90%D7%95%D7%9F"
    title: "מרי ליאון"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A2%E3%83%AA%E3%83%BC%E3%83%BB%E3%83%A9%E3%82%A4%E3%82%AA%E3%83%B3"
    title: "メアリー・ライオン"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9B%D0%B0%D0%B9%D0%BE%D0%BD%2C_%D0%9C%D1%8D%D1%80%D0%B8_%D0%A4%D1%80%D1%8D%D0%BD%D1%81%D0%B8%D1%81"
    title: "Лайон, Мэри Фрэнсис"
    type:  "WIKIPEDIA"
  - url: "https://sr.wikipedia.org/wiki/%D0%9C%D0%B5%D1%80%D0%B8_%D0%A4%D1%80%D0%B5%D0%BD%D1%81%D0%B8%D1%81_%D0%9B%D0%B8%D0%BE%D0%BD"
    title: "Мери Френсис Лион"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%9C%D0%B5%D1%80%D1%96_%D0%9B%D0%B0%D0%B9%D0%BE%D0%BD"
    title: "Мері Лайон"
    type:  "WIKIPEDIA"
  - url: "https://vi.wikipedia.org/wiki/Mary_Frances_Lyon"
    title: "Mary Frances Lyon"
    type:  "WIKIPEDIA"
  - url: "https://xmf.wikipedia.org/wiki/%E1%83%9B%E1%83%94%E1%83%A0%E1%83%98_%E1%83%A4%E1%83%A0%E1%83%94%E1%83%9C%E1%83%A1%E1%83%98%E1%83%A1_%E1%83%9A%E1%83%90%E1%83%98%E1%83%9D%E1%83%9C%E1%83%98"
    title: "მერი ფრენსის ლაიონი"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q460847"
    title: "Wikidata"
    type:  "WIKIDATA"

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