Mary Gwendoline Moore

  • Lifespan: Nov. 27, 1911 – Mar. 31, 2023
  • Age: 111 years, 119 days
  • Birthplace: Tredegar, Wales, UK
  • Last residence: Swanage, Dorset, England, UK
  • Validation date: TBA
  • Validation source: Oliver Trim

Mary Gwendoline “Gwen” Moore claims to have been born in Tredegar, Wales, UK on November 27, 1911. However, the study performed by the Gerontology Research Group has proven that her actual date of birth was December 2, 1911. In the late 1960s, she migrated from the UK to Australia. Moore became the oldest known living person in Australia, following the death of 111-year old Ina Reid on May 13, 2022. At the time of her 111th birthday, Moore lived at the Bribie Cove nursing home in Bongaree, Queensland, Australia.

Her sister Lilian Priest (November 7, 1908 – June 6, 2021) who died in Swanage, Dorset, England, UK on June 6, 2021 at the age of 112 years, 211 days, was the oldest living person in the United Kingdom at the time of her death.


  • Doyenne of Australia (May 13, 2022 – Mar. 31, 2023)

Mary Gwendoline Moore, together with her older sister Lilian Priest were/remain:

  • the oldest known living pair of siblings in the world.
  • one of only five known supercentenarian pair of siblings in recorded history.
  • the only siblings who lived to become the Doyennes of two different countries (L. Priest in the UK; M.G. Moore in Australia)

Mary Gwendoline Moore’s age was verified by Mr. Oliver Trim, GRG Correspondent for the United Kingdom, and validated by the GRG as of TBA date.

Mary Gwendoline Moore as a young woman (undated):

Mary Gwendoline Moore on her 107th birthday (2018)

Mary Gwendoline Moore on her 109th birthday (2018)

Mary Gwendoline Moore at age 110 in Sept. 2022

Mary Gwendoline Moore on her 111th birthday.

Photo courtesy of the Bribie Cove – McKenzie Aged Care Group and Mr. Oliver Trim, GRG Correspondent for the United Kingdom.

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