[3] She studied at the School of the Museum of Fine Arts in Montreal, where her instructors included Arthur Lismer and Jacques de Tonnancour, among others; she earned her degree in 1945.

Further study followed under John Farleigh at the Central School of Arts and Crafts in London, England.

Milne also studied wood sculpture under Sylvia Daoust at the École des beaux-arts de Montréal, and apprenticed for a time under Ivan Meštrović.

As Sandra Alfoldy explains: "In Milne's realistic approach to Canada's history, bored monarchs and exhausted explorers are bound in with the social injustices behind the founding of the country.

[6]: 116 In her role as Dominion Sculptor Milne created work for other government organizations as well, including the chair used by the speaker of the council of the Northwest Territories.