Kathleen Cavendish

American socialite, sister of John F. Kennedy (1920–1948)
Person human Q268799
Kathleen Cavendish
Press Enter · cited answer in seconds

Kathleen Cavendish was born on February 20, 1920, in Brookline [1][2][3][4]. She was a citizen of the United States and had a diverse range of occupations, including being a socialite, aristocrat, journalist, and social activist [5]. Her parents were Joseph P. Kennedy Sr. [6] and Rose Kennedy [6], and she had several siblings: Joseph P. Kennedy Jr., John F. Kennedy, Rosemary Kennedy, Eunice Kennedy Shriver, Patricia Kennedy Lawford, and Robert F. Kennedy [6].

Kathleen Cavendish received her education from Queen's College London, Finch College, and Riverdale Country School . She worked in the field of journalism [5]. In 1944, she married William Cavendish, Marquess of Hartington, although the marriage was short-lived, ending in the same year .

Kathleen Cavendish died on May 13, 1948, in Saint-Bauzile [1][2][3][4] due to an aviation accident [7].

Key Facts

  • Place of burial: Edensor[10]
  • Father: Joseph P. Kennedy Sr.[11]
  • Mother: Rose Kennedy[12]
  • Spouse: William Cavendish, Marquess of Hartington[13]
  • Country of citizenship: United States[14]
  • Field of work: journalism[15]
  • Educated at: Queen's College London[16], Finch College[17], Riverdale Country School[18]
  • Religion or worldview: Catholicism[19]
  • Sex or gender: female[20]
  • Family: Kennedy family[21], Cavendish family[22]
  • Commons category: Kathleen Cavendish, Marchioness of Hartington[23]
  • Unmarried partner: Peter Wentworth-Fitzwilliam, 8th Earl Fitzwilliam[24], J. Peter Grace[25], David Rockefeller[26]
  • Cause of death: aviation accident[27]
  • Family name: Kennedy[28], Cavendish[29]
  • Given name: Kathleen[30], Agnes[31]
  • Languages spoken, written or signed: English[32]
  • Name in native language: Kathleen Cavendish[33]
  • Sibling: Joseph P. Kennedy Jr.[34], John F. Kennedy[35], Rosemary Kennedy[36], Eunice Kennedy Shriver[37], Patricia Kennedy Lawford[38], Robert F. Kennedy[39], Jean Kennedy Smith[40], Ted Kennedy[41]
  • Social classification: nobility[42]

Why It Matters

Kathleen Cavendish has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[43] She is known by 50 alternative names across languages and contexts.[44]

FAQs

Where was Kathleen Cavendish born?

Kathleen Cavendish's place of birth was Brookline[2].

Where did Kathleen Cavendish die?

Kathleen Cavendish passed away in Saint-Bauzile[4].

Who were Kathleen Cavendish's parents?

Kathleen Cavendish's father was Joseph P. Kennedy Sr.[11]. Kathleen Cavendish's mother was Rose Kennedy[12].

Who was Kathleen Cavendish married to?

Kathleen Cavendish's spouses include William Cavendish, Marquess of Hartington[13].

What did Kathleen Cavendish do for work?

Kathleen Cavendish worked as a socialite[5], aristocrat[6], journalist[7], and social activist[8].

Where did Kathleen Cavendish go to school?

Kathleen Cavendish was educated at Queen's College London[16], Finch College[17], and Riverdale Country School[18].

References

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

Direct Wikidata claims

  1. [2] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [20] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  4. [11] ↑ . Q75653886. wikidata.org.
  5. [12] ↑ . Q75653886. wikidata.org.
  6. [13] ↑ . Retrieved . wikidata.org.
  7. [14] ↑ . wikidata.org.
  8. [21] ↑ . wikidata.org.
  9. [22] ↑ . wikidata.org.
  10. [16] ↑ . wikidata.org.
  11. [17] ↑ . wikidata.org.
  12. [18] ↑ . Retrieved . wikidata.org.
  13. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  14. [5] ↑ . wikidata.org.
  15. [6] ↑ . wikidata.org.
  16. [7] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  17. [8] ↑ . wikidata.org.
  18. [10] ↑ . wikidata.org.
  19. [19] ↑ . wikidata.org.
  20. [23] ↑ . wikidata.org.
  21. [24] ↑ . wikidata.org.
  22. [25] ↑ . wikidata.org.
  23. [26] ↑ . wikidata.org.
  24. [27] ↑ . baaa-acro.com. baaa-acro.com. Provenance: wikidata.org.
  25. [1] ↑ . SNAC. Retrieved . wikidata.org.
  26. [3] ↑ . SNAC. Retrieved . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . Q75653886. wikidata.org.
  34. [35] ↑ . Q75653886. wikidata.org.
  35. [36] ↑ . Q75653886. wikidata.org.
  36. [37] ↑ . Q75653886. wikidata.org.
  37. [38] ↑ . Q75653886. wikidata.org.
  38. [39] ↑ . Q75653886. wikidata.org.
  39. [40] ↑ . Q75653886. wikidata.org.
  40. [41] ↑ . Q75653886. wikidata.org.
  41. [42] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [43] ↑ . Wikidata sitelinks. wikidata.org.
  3. [44] ↑ . 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). Kathleen Cavendish. Retrieved October 17, 2026, from https://4ort.xyz/entity/kathleen-cavendish
MLA “Kathleen Cavendish.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/kathleen-cavendish.
BibTeX @misc{4ortxyz_kathleen-cavendish_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kathleen Cavendish}}, year = {2026}, url = {https://4ort.xyz/entity/kathleen-cavendish}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kathleen Cavendish — https://4ort.xyz/entity/kathleen-cavendish (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/kathleen-cavendish · Last refreshed:

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. 11h ago · OKA bot bot · 2026-10-17 view diff on Wikidata ↗
    Instance of → human
    Family name → Kennedy, Cavendish
    Religion or worldview → Catholicism
    Given name → Kathleen, Agnes
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||nb */ other names, source for place of birth, source for date of birth, source for date of death from Store norske leksikon ([[Wikidata:Requests for"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.