Mary Montagu-Stuart-Wortley-Mackenzie noblewoman; (1861-1941); wife of Sir George Cayley, 9th Baronet (1861–1941) Parents Maria Elizabeth Martin Francis Montagu-Stuart-Wortley Children Sir Kenelm Cayley, 10th Baronet Francis Digby Edward Cayley Margaret Renée Cayley Anne Cayley Dorothy Frances Cayley Siblings Alan Richard Montagu-Stuart-Wortley Edward Montagu-Stuart-Wortley Ralph Granville Montagu-Stuart-Wortley Francis Montagu-Stuart-Wortley-Mackenzie, 2nd Earl of Wharncliffe Partners Sir George Cayley, 9th Baronet