Clifford Olson

Canadian serial killer (1940–2011)
Person human Q1101336
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Clifford Olson

Summary

Clifford Olson is a human[1]. His place of birth was Vancouver[2]. He was born on +1940-01-01T00:00:00Z[3]. He passed away in Laval[4]. He died on +2011-09-30T00:00:00Z[5]. He worked as a criminal[6] and serial killer[7]. He ranks in the top 0.59% of human entities by monthly Wikipedia readership (1,818 views/month, #5,879 of 1,000,298).[8]

Key Facts

  • Clifford Olson's place of birth was Vancouver[2].
  • Clifford Olson died in Laval[4].
  • Clifford Olson was born on +1940-01-01T00:00:00Z[3].
  • Clifford Olson died on +2011-09-30T00:00:00Z[5].
  • Clifford Olson held citizenship in Canada[9].
  • Clifford Olson worked as a criminal[6].
  • Clifford Olson worked as a serial killer[7].
  • Clifford Olson is recorded as male[10].
  • Clifford Olson's instance of is recorded as human[11].
  • Clifford Olson's ISNI is recorded as 0000000079000652[12].
  • Clifford Olson's VIAF cluster ID is recorded as 105146824[13].
  • Clifford Olson's Library of Congress authority ID is recorded as nb2001058529[14].
  • The cause of death was cancer[15].
  • Clifford Olson's Freebase ID is recorded as /m/04nh8c[16].
  • Clifford Olson's family name is recorded as Q16880716[17].
  • Clifford Olson's given name is recorded as Robert[18].
  • Clifford Olson's manner of death is recorded as natural causes[19].
  • Clifford Olson's Notable Names Database ID is recorded as 807/000085552[20].
  • Clifford Olson's convicted of is recorded as murder[21].
  • Clifford Olson's FAST ID is recorded as 1774663[22].
  • Clifford Olson's place of detention is recorded as Kingston Penitentiary[23].
  • Clifford Olson's place of detention is recorded as Archambault Institution[24].
  • Clifford Olson's The Top Tens ID is recorded as 8619[25].
  • Clifford Olson's WorldCat Entities ID is recorded as E39PBJfh6kJXyDR8WDT4jH74MP[26].

Body

Origins and Family

Born in Vancouver[2], Clifford Olson… he was born on +1940-01-01T00:00:00Z[3].

Career and Affiliations

Recorded occupations include criminal[6] and serial killer[7].

Death and Burial

Clifford Olson died on +2011-09-30T00:00:00Z[5]. He passed away in Laval[4]. The cause of death was cancer[15].

Why It Matters

Clifford Olson ranks in the top 0.59% of human entities by monthly Wikipedia readership (1,818 views/month, #5,879 of 1,000,298).[8] He has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[27] He is known by 7 alternative names across languages and contexts.[28]

FAQs

Where was Clifford Olson born?

Born in Vancouver[2], Clifford Olson…

Where did Clifford Olson die?

Clifford Olson died in Laval[4].

What did Clifford Olson do for work?

Clifford Olson worked as criminal[6] and serial killer[7].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [10] . wikidata.org.
  4. [9] . wikidata.org.
  5. [11] . wikidata.org.
  6. [6] . wikidata.org.
  7. [7] . wikidata.org.
  8. [12] . wikidata.org.
  9. [13] . wikidata.org.
  10. [14] . wikidata.org.
  11. [15] . wikidata.org.
  12. [3] . wikidata.org.
  13. [5] . wikidata.org.
  14. [16] . Freebase Data Dumps. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Retrieved . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] . Wikidata sitelinks. wikidata.org.
  3. [28] . 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). Clifford Olson. Retrieved April 11, 2026, from https://4ort.xyz/entity/clifford-olson
MLA “Clifford Olson.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/clifford-olson.
BibTeX @misc{4ortxyz_clifford-olson_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Clifford Olson}}, year = {2026}, url = {https://4ort.xyz/entity/clifford-olson}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Clifford Olson — https://4ort.xyz/entity/clifford-olson (retrieved 2026-04-11)

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