Mary Harcourt, Viscountess Harcourt

The Right Honourable The Viscountess Harcourt GBE
Harcourt, c. 1911
Personal details
Born	Mary Ethel Burns (1874-08-26)26 August 1874 Paris, France
Died	7 January 1961(1961-01-07) (aged 86) Westminster, London
Nationality	British
Spouse	Lewis Harcourt, 1st Viscount Harcourt ​ ​ (m. 1899; died 1922)​
Relations	J.P. Morgan (uncle) J.P. Morgan Jr. (cousin)
Children	4, including Doris Harcourt and William Harcourt
Parent(s)	Walter Hayes Burns Mary Lyman Morgan Burns
Awards	Médaille de la Reine-Élisabeth

Mary Ethel Harcourt, Viscountess Harcourt GBE (née Burns; 26 August 1874 – 7 January 1961) was an American-born British aristocrat and philanthropist.