Cathy O'Neil

American mathematician
Person human Q16499729
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Cathy O'Neil

Summary

Cathy O'Neil is a human[1]. Born in United States[2], she… she was born on 1972[3]. She worked as a mathematician[4], journalist[5], blogger[6], and writer[7]. She ranks in the top 0.72% of human entities by monthly Wikipedia readership (245 views/month, #7,243 of 1,000,298).[8]

Key Facts

  • Cathy O'Neil was born in United States[2].
  • Cathy O'Neil was born on 1972[3].
  • Cathy O'Neil was married to Aise Johan de Jong[9].
  • Cathy O'Neil held citizenship in United States[10].
  • Cathy O'Neil's professions included mathematician[4].
  • Cathy O'Neil worked as a journalist[5].
  • Cathy O'Neil's professions included blogger[6].
  • Cathy O'Neil's professions included writer[7].
  • Cathy O'Neil's field of work was mathematics[11].
  • Cathy O'Neil's field of work was algebraic geometry[12].
  • Cathy O'Neil's field of work was data science[13].
  • Among Cathy O'Neil's employers was Columbia University[14].
  • Among Cathy O'Neil's employers was Barnard College[15].
  • Cathy O'Neil was employed by Columbia University Graduate School of Journalism[16].
  • Cathy O'Neil's education included a stint at University of California, Berkeley[17].
  • Cathy O'Neil's doctoral advisor was Barry Mazur[18].
  • A notable work attributed to Cathy O'Neil is Weapons of Math Destruction[19].
  • Cathy O'Neil received the Euler Book Prize[20].
  • Cathy O'Neil is recorded as female[21].
  • Cathy O'Neil's instance of is recorded as human[22].
  • Cathy O'Neil's Commons category is recorded as Cathy O’Neil[23].
  • Cathy O'Neil earned the academic degree of doctorate[24].
  • Cathy O'Neil's family name is recorded as O'Neil[25].
  • Cathy O'Neil's given name is recorded as Cathy[26].
  • Cathy O'Neil's given name is recorded as Catherine[27].

Body

Origins and Family

Born in United States[2], Cathy O'Neil… she was born on 1972[3].

Education

Cathy O'Neil was educated at University of California, Berkeley[17]. Her doctoral advisor was Barry Mazur[18]. She earned the academic degree of doctorate[24].

Career and Affiliations

Recorded occupations include mathematician[4], journalist[5], blogger[6], and writer[7]. Fields of work include mathematics[11], an academic discipline[28]; algebraic geometry[12], a branch of mathematics[29]; and data science[13], a branch of science[30]. Employers include Columbia University[14], a private university[31], in United States[32], founded in 1754[33], headquartered in Manhattan[34]; Barnard College[15], a liberal arts college[35], in United States[36], founded in 1889[37]; and Columbia University Graduate School of Journalism[16], a graduate school[38], in United States[39], founded in 1912[40], headquartered in New York City[41].

Works and Contributions

A notable work attributed to Cathy O'Neil is Weapons of Math Destruction[19].

Recognition

Cathy O'Neil received the Euler Book Prize[20].

Personal Life

Cathy O'Neil was married to Aise Johan de Jong[9].

Why It Matters

Cathy O'Neil ranks in the top 0.72% of human entities by monthly Wikipedia readership (245 views/month, #7,243 of 1,000,298).[8] She has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[42] She is known by 6 alternative names across languages and contexts.[43]

FAQs

Where was Cathy O'Neil born?

Born in United States[2], Cathy O'Neil…

Who was Cathy O'Neil married to?

Cathy O'Neil's spouses include Aise Johan de Jong[9].

What did Cathy O'Neil do for work?

Cathy O'Neil worked as mathematician[4], journalist[5], blogger[6], and writer[7].

Where did Cathy O'Neil go to school?

Cathy O'Neil was educated at University of California, Berkeley[17].

What awards did Cathy O'Neil receive?

Honors received include Euler Book Prize[20].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [21] . Catalog of the German National Library. Retrieved . wikidata.org.
  3. [9] . wikidata.org.
  4. [10] . wikidata.org.
  5. [22] . Catalog of the German National Library. Retrieved . wikidata.org.
  6. [17] . wikidata.org.
  7. [11] . wikidata.org.
  8. [12] . wikidata.org.
  9. [13] . wikidata.org.
  10. [4] . Catalog of the German National Library. Retrieved . bloomberg.com. Provenance: wikidata.org.
  11. [5] . wikidata.org.
  12. [6] . Catalog of the German National Library. Retrieved . wikidata.org.
  13. [7] . wikidata.org.
  14. [14] . wikidata.org.
  15. [15] . wikidata.org.
  16. [16] . wikidata.org.
  17. [20] . maa.org. Retrieved . maa.org. Provenance: wikidata.org.
  18. [18] . Mathematics Genealogy Project. Retrieved . wikidata.org.
  19. [23] . wikidata.org.
  20. [24] . Catalog of the German National Library. Retrieved . wikidata.org.
  21. [3] . Integrated Authority File. wikidata.org.
  22. [25] . Catalog of the German National Library. Retrieved . wikidata.org.
  23. [26] . Catalog of the German National Library. Retrieved . wikidata.org.
  24. [27] . wikidata.org.
  25. [19] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . Wikidata. wikidata.org. → on this site
  11. [38] . Wikidata. wikidata.org. → on this site
  12. [39] . Wikidata. wikidata.org. → on this site
  13. [40] . Wikidata. wikidata.org. → on this site
  14. [41] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] . Wikidata sitelinks. wikidata.org.
  3. [43] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Cathy O'Neil. Retrieved April 10, 2026, from https://4ort.xyz/entity/cathy-o-neil
MLA “Cathy O'Neil.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/cathy-o-neil.
BibTeX @misc{4ortxyz_cathy-o-neil_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cathy O'Neil}}, year = {2026}, url = {https://4ort.xyz/entity/cathy-o-neil}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cathy O'Neil — https://4ort.xyz/entity/cathy-o-neil (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14d ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Sex or gender female
    Website
    Field of work mathematics, algebraic geometry, data science
    Given name Cathy, Catherine, Helen
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31725|batch #31725]]: import P21 and P106 from GND (19)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.