# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/nancy-maria-donaldson-johnson
# Generated: 2026-08-15T10:23:01.396Z

schema: https://schema.org/Person
url: "https://fame.am/person/nancy-maria-donaldson-johnson"
name: "Nancy Maria Donaldson Johnson"
slug: "nancy-maria-donaldson-johnson"
description: "Nancy Maria Johnson was an American inventor best known for patenting the first hand-cranked ice cream freezer in 1843. Her invention transformed ice cream production from a labor-intensive process into a more efficient and accessible practice, helping to shift the dessert from a luxury item to a widely consumed product."
tagline: "American inventor and educator"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Portrait_of_Nancy_Maria_Donaldson_Johnson_(cropped).jpg?width=1200"
gender: "female"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1794"
deathDate: "1890-04-22"
livingStatus: "DECEASED"
scores:
  popularity:           44.33
  momentum:             0
  historical:           7.698634666666666
  currentAttention:     0
  sourceConfidence:     50.00000000000001
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://te.wikipedia.org/wiki/%E0%B0%A8%E0%B0%BE%E0%B0%A8%E0%B1%8D%E0%B0%B8%E0%B1%80_%E0%B0%AE%E0%B0%B0%E0%B0%BF%E0%B0%AF%E0%B0%BE_%E0%B0%A1%E0%B1%8B%E0%B0%A8%E0%B0%BE%E0%B0%B2%E0%B1%8D%E0%B0%A1%E0%B1%8D%E0%B0%B8%E0%B0%A8%E0%B1%8D_%E0%B0%9C%E0%B0%BE%E0%B0%A8%E0%B1%8D%E0%B0%B8%E0%B0%A8%E0%B1%8D"
    title: "నాన్సీ మరియా డోనాల్డ్సన్ జాన్సన్"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Nancy_Maria_Donaldson_Johnson"
    title: "Nancy Maria Donaldson Johnson"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Nancy_Johnson_(Erfinderin)"
    title: "Nancy Johnson (Erfinderin)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Nancy_M._Johnson"
    title: "Nancy M. Johnson"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Nancy_Maria_Donaldson_Johnson"
    title: "Nancy Maria Donaldson Johnson"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Nancy_Johnson_(asmatzailea)"
    title: "Nancy Johnson (asmatzailea)"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Nancy_Johnson_(inventrice)"
    title: "Nancy Johnson (inventrice)"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Nancy_M._Johnson"
    title: "Nancy M. Johnson"
    type:  "WIKIPEDIA"
  - url: "https://is.wikipedia.org/wiki/Nancy_Maria_Donaldson_Johnson"
    title: "Nancy Maria Donaldson Johnson"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q50384336"
    title: "Wikidata"
    type:  "WIKIDATA"

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