Elliott was born in Quebec on June 5, 1957 to Roger Cormier, an Acadian, and Frances Bernard Cormier, who was Irish and Mi'kmaq. Her maternal grandfather ran away from residential school. Roger Cormier worked in the financial sector and as a result the family lived in a number of locations in Canada, as well as Majorca, Spain and Trinidad. Elliott studied graphic arts at Humber College and theatre at Ryerson University in Toronto. Her early work was in set design, costumes and it was later she began to work more as a musician, director and actor. Elliott was married to Peter Elliott and the marriage ended in 1991. Elliott moved in with her best friend and partner Leslie Arden in 1992. Arden and Elliott made their home in Alliston, Ontario. The two worked closely together and collaborated on a number of projects.
Career
Elliott's professional career spanned more than thirty-five years where she was active in a variety of genres where she was featured as a writer, actor, playwright, composer and musician, making appearances across Canada. Her work frequently made reference to her Indigenous heritage and issues related to indigenity in Canada. Known also as an educator and for her commitment to future generations of Indigenous people, Elliott worked extensively with Indigenous youth, particularly in Northern Ontario. She was also known for her work with theatre students and as compassionate and generous teacher and person. In 2011 Elliott premiered a musical entitled The Talking Stick. The production was put on by the Young Company of the Charlottetown Festival and featured stories and songs of Indigenous people in Canada and the entire cast was made up of Indigenous youth. Elliott had many credits as an actor taking part in productions in major cities across Canada, as well as smaller productions. In the summer of 2017 she appeared at the National Arts Centre in Ottawa in a musical by Corey Payette. Elliott played the part of Rita in Payette's Children of God is a story in which children from an Oji-Cree family are taken to a residential school in Northern Ontario. The National Arts Centre marked her death and contributions to arts in Canada by lowering their flags for three days.