Katherine Marguerite Helene Marie Gwynne Jackson
type: Person
description: Peerage person ID=386364
birth date: 1897-07-02
parent: George Wilfred Jackson
spouse: Alexis Evelyn Henry O'Brien-ffrench
children: Jacqueline Frances Mary O'Brien-ffrench
additional property: PropertyValue
  property ID: P21
  value: female
additional property: PropertyValue
  property ID: P22
  value: George Wilfred Jackson
additional property: PropertyValue
  property ID: P26
  value: Alexis Evelyn Henry O'Brien-ffrench
additional property: PropertyValue
  property ID: P31
  value: human
additional property: PropertyValue
  property ID: P40
  value: Jacqueline Frances Mary O'Brien-ffrench
additional property: PropertyValue
  property ID: P569
  value: July 2, 1897
additional property: PropertyValue
  property ID: P734
  value: Jackson
additional property: PropertyValue
  property ID: P734
  value: O'Brien-ffrench
additional property: PropertyValue
  property ID: P735
  value: Katherine
additional property: PropertyValue
  property ID: P2949
  value: Jackson-25004
additional property: PropertyValue
  property ID: P4638
  value: p38637.htm#i386364
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 0
  tier: long_tail
claims:
  P21:
    value: Q6581072
    source count: 1
    confidence: 0.2
    value label: female
  P22:
    value: Q76005940
    source count: 1
    confidence: 0.2
    value label: George Wilfred Jackson
  P26:
    value: Q75893763
    source count: 1
    confidence: 0.2
    value label: Alexis Evelyn Henry O'Brien-ffrench
    qualifiers:
      P580: +1918-06-04T00:00:00Z
  P31:
    value: Q5
    source count: 0
    confidence: 0.0
    value label: human
  P40:
    value: Q75893765
    source count: 1
    confidence: 0.2
    value label: Jacqueline Frances Mary O'Brien-ffrench
  P569:
    value: +1897-07-02T00:00:00Z
    source count: 1
    confidence: 0.2
  P734:
    value: Q2732758
    source count: 0
    confidence: 0.0
    value label: Jackson
  P734:
    value: Q94342228
    source count: 0
    confidence: 0.0
    value label: O'Brien-ffrench
    qualifiers:
      P580: +1918-06-04T00:00:00Z
  P735:
    value: Q108631
    source count: 0
    confidence: 0.0
    value label: Katherine
  P2949:
    value: Jackson-25004
    source count: 0
    confidence: 0.0
  P4638:
    value: p38637.htm#i386364
    source count: 0
    confidence: 0.0
citations:
  source: The Peerage
  stated in qid: Q21401824
citations:
  source: WikiTree
  stated in qid: Q1074931
meta:
  wikidata id: Q75893754
  domain: human
  level: standard
  html url: https://4ort.xyz/entity/katherine-marguerite-helene-marie-gwynne-jackson
  markdown url: https://4ort.xyz/entity/katherine-marguerite-helene-marie-gwynne-jackson.md
  facts url summary: https://4ort.xyz/entity/katherine-marguerite-helene-marie-gwynne-jackson/facts.json
  facts url standard: https://4ort.xyz/entity/katherine-marguerite-helene-marie-gwynne-jackson/facts.json
  facts url full: https://4ort.xyz/entity/katherine-marguerite-helene-marie-gwynne-jackson/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-01T05:00:18.640822Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T14:45:48.009869+00:00Z