Mary Elphinstone, Lady Elphinstone

The Right Honourable
The Lady Elphinstone
GCVO
The Right Honourable The Lady Elphinstone GCVO
	Portrait by Philip de László, 1929
Personal details
Born	Hon. Mary Frances Bowes-Lyon; 30 August 1883; Angus, Scotland
Died	8 February 1961 (aged 77); Inveresk, Scotland
Spouse	Sidney Elphinstone, 16th Lord Elphinstone (m. 1910; died 1955)
Children	Hon. Mary Elphinstone; John Elphinstone, 17th Lord Elphinstone; Hon. Jean Elphinstone; Hon. Andrew Elphinstone; Hon. Margaret Rhodes;
Parents	Claude Bowes-Lyon, 14th Earl of Strathmore and Kinghorne (father); Cecilia Cavendish-Bentinck (mother);

Mary Frances Elphinstone, Lady Elphinstone GCVO (née Bowes-Lyon; 30 August 1883 – 8 February 1961), was a British aristocrat. She was an elder sister of Queen Elizabeth of the United Kingdom later The Queen Mother, and a maternal aunt and godmother of Queen Elizabeth II.