Mary E. Wrinch the artist (1877-1969) was Horace Wrinch's sister. She was exhibiting with the Ontario Society of Artists as early as 1894 and with the Royal Canadian Academy of Art in 1895. She was elected as the first female executive of the Ontario Society of Artists in 1913. She became an Associate of the Royal Canadian Academy in 1918. She was prominent in the Ontario Art community for many years, marrying the artist and teacher George Reid in 1922.
The photograph below was taken in 1892, at the start of her career.