Mary Elphinstone, Lady Elphinstone

The Right Honourable The Lady Elphinstone GCVO
Portrait by Philip de László, 1929
Personal details
Born	Hon. Mary Frances Bowes-Lyon (1883-08-30)30 August 1883 Angus, Scotland
Died	8 February 1961(1961-02-08) (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.