Stewart is from the Upper Nicola Band in the British Columbia interior region.
Stewart's mother Seraphine was the first First Nations public health nurse in British Columbia; she was the subject of a Canadian Broadcasting Corporation documentary in 1967.
[1] Stewart works with combinations of archival items, such as photographs and video, and various types of collage techniques and fiber art.
[2] One of her earlier projects, Self Portrait on a Canning Lid, worked with older photographic techniques, such as tintype, to create images referencing her cultural history and ethnography practices.
[3] Her 2014 installation piece, Motion and Moment Always, reproduced a historical image of chiefs from the Nisga'a First Nations on the British Columbia coast as a weaving, working with Vancouver weaver Ruth Scheuing.