Mary Helen McDonald was a British-born Canadian supercentenarian.
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Supercentenarian Profile
Mary McDonald
✔ Age Certified by LongeviQuest
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BIOGRAPHY
Mary McDonald was born in Warrington, Cheshire, England, United Kingdom, on 30 April 1904.
RECOGNITION
Her age was verified by Nick Eriksson and Dr. Andrew Holmes, and validated by European Supercentenarian Organisation (ESO) on 2 September 2025, and was later recognized by LongeviQuest.
ATTRIBUTION
GALLERY
NO KNOWN PHOTO
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