Doris Hare, MBE (1 March 1905 – 30 May 2000) was a British actress, singer, dancer and comedian, active in New York and London, as well as Scotland, she is best known for being the second actress to portray Mrs Mabel "Mum" Butler in the popular sitcom On the Buses alongside Reg Varney.Hare was born in Bargoed, Glamorgan. Her parents had a portable theatre in South Wales and it seemed inevitable that she would become a part of it, making her debut at the age of three in Current Cash and appearing in juvenile troupes all over Britain as a child, before going solo as 'Little Doris Hare', appearing in music hall, variety, cabaret, revues and pantomimes. One of five, her brother, Bertie Hare and her sisters Betty Hare and Winifred Hare Braemer were also actors and performers Wikipedia