Background
Mosionier was born in Saint Boniface, Manitoba, to Mary Clara Pelleter Mosionier. Mosionier grew up living in several foster homes in Winnipeg as a ward of the Children"s Aid Society.
Mosionier was born in Saint Boniface, Manitoba, to Mary Clara Pelleter Mosionier. Mosionier grew up living in several foster homes in Winnipeg as a ward of the Children"s Aid Society.
She attended Saint Charles Catholic School, and Gordon Bell High School, completing Grade 11.
She is most notable for her novel In Search of April Raintree. She is the youngest of four children. The couple separated several times, living mainly in Toronto.
There Mosionier worked as a watch inspector at a factory.
She enrolled at George Brown College and later worked at Wahn, Mayer and Mith law firm, as a bookkeeper. The family then moved to Vita, Manitoba, and later Oakbank and Saint Norbert.
At this time Mosionier began writing her first novel In Search Of April Raintree which was published in 1983. As of 2014 the couple live in Winnipeg.
Indiana 2013 she addressed a crowd on the steps of the Manitoba Legislature as part of the Idle Number More movement.
In 2009 Mosionier wrote Come Walk With Maine: A, which depicts all of her life events and she shares emotional details of the experiences that she has faced. Mosionier also contributed to the anthology of Manitoba, a collection of stories by native authors.