Born in Montreal, Henrietta Muir founded the Working Girls' Association in that city and, with her sister, edited The Working Woman of Canada. Moving west she continued her espousal of social reform. An early member of the National Council of Women she was for thirty-five years convener of a committee on laws affecting women and children while advocating such causes as equal parental rights and mother's allowances. An ardent advocate of women's suffrage, she was one of five whose efforts earned for women the right of entry to the Canadian Senate. She died in Macleod, Alberta. *Note: This designation has been identified for review. A review can be triggered for one of the following reasons - outdated language or terminology, absence of a significant layer of history, factual errors, controversial beliefs and behaviour, or significant new knowledge.