Born Bertha Wernham on September 18, 1923, in Kirkcaldy, Scotland, the only daughter and youngest child of Archibald Wernham (a soldier in the First World War) and Christina (née Noble) Wernham (a wartime nurse). Her parents had not finished high school but valued education for their daughter as well as their sons (Wikipedia; Encyclopedia.com).
Attended Aberdeen Central Secondary School, then followed her two older brothers, Archibald and James, to the University of Aberdeen, earning an M.A. in philosophy in 1944 (SCC; Encyclopedia.com).
Earned a teaching diploma from the Training College for Teachers in Aberdeen and worked briefly as a schoolteacher in Scotland (Encyclopedia.com; Wikipedia).
Married Reverend John Wilson, a Presbyterian minister, in 1945. The couple emigrated to Canada in 1949, settling first in Renfrew, Ontario, where John served as a parish minister (Canadian Encyclopedia; Globe and Mail obituary).
In 1952, John Wilson was seconded as a naval chaplain during the Korean War, and the Wilsons moved to Halifax, Nova Scotia, in 1954 when he received a shore appointment (Globe and Mail; Wikipedia).
Sought admission to the Dalhousie Law School in 1954. Dean Horace E. Read famously told her, "Madam, we have no room here for dilettantes" and suggested she "go home and take up crocheting," but he eventually relented. She enrolled in 1955, graduated near the top of her class with an LL.B. in 1957 (Globe and Mail; Law Society of Saskatchewan).