Mary PITTENDREIGH's parents: James Scott MUIRISON (1875?-1917) and Jessie Ann PITTENDREIGH (1867-1935)

Mary PITTENDREIGH's siblings: Maggie Jane PITTENDREIGH (1884- ), William PITTENDREIGH (1887- ), Thomas PITTENDREIGH (1890-1942) and Alfred PITTENDREIGH (1898-1942)