Margaret Theresa Wilkinson was born in 1872 in Ambleside, Westmorland, north-west England, the daughter of an organ builder. By 1901 she was working as a black and white artist and living in Barnes, London, with her brother Tom, also a comics artist, and sister Elizabeth, a music teacher. She drew for the early British comic Jester in 1903. In 1911 she was still working as a black and white artist, and living alone in Paddington, London. She died in 1943 in Hampstead, London.
- Alan Clarke, Dictionary of British Comic Artists, Writers and Editors, The British Library, 1998, p. 188
- 1881, 1891, 1901 and 1911 censuses