Winifred Cochrane, Countess of Dundonald was Welsh philanthropist, heiress, and noblewoman. She was the Welsh wife of Douglas Mackinnon Baillie Hamilton Cochrane (1852–1935). For her charity work, Lady Dundonald was appointed Lady of Grace of the Order of Saint John, and was known within Wales by her bardic name, Rhiannon.
- Born
- April 16, 1859
- Died
- January 17, 1924, January 16, 1924
