She lived in Williams Lake, British Columbia, with her husband Tom.
Donna wrote and published the books After River, The Promise of Rain, Somewhere in Between, and A Place Called Sorry.
[1] Her 2008 book After River is, according to bcbooklook, "about a woman coming to terms with the disintegration of her family some 35 years after a young American draft resister named River crossed the border into Canada and changed their lives".
[2] Milner described this book as "the story of a family dealing with loss and tragedy".
One of the characters in the book, Virgil Blue, was inspired by a one-time resident of Milner's home city of Williams Lake, British Columbia.