[2] She also exhibited her work at the Pan-American exposition in Buffalo (1901), and the Canadian exhibition at the Louisiana Purchase Exposition in St Louis (1904), with Mary Evelyn Wrinch at the galleries of the Art Metropole in Toronto (1912), and with her husband and Wrinch at the Royal Ontario Museum, in aid of the Red Cross Society (1915).

[2] In addition to producing paintings that were widely admired, Mary became financially successful and received significant reviews in the Toronto press.

[4] In 2000, Mary Hiester Reid's work was rediscovered (suggested CBC Radio, 21 June 2020) when the Art Gallery of Ontario held an exhibition titled, Quiet Harmony: The Art of Mary Hiester Reid, curated by Brian Foss and Janice Anderson.

Flower Diary: In Which Mary Hiester Reid Paints, Travels, Marries & Opens a Door, a biography of the artist by Molly Peacock has been published by ECW Press in 2021.

[9][10] In 2021, the Art Gallery of Ontario exhibited The Open Door: Mary Hiester Reid and Helen McNicoll.