Early Life
Pauline Emily Mills was born 20 October 1910 in Sarnia, Ontario. She was the only child of Alfred William and Ethel Selina Mills, her father being a textiles and goods merchant.
After George Street, and Lochiel Street Schools, and Sarnia Collegiate, she studied at Victoria College at the University of Toronto, graduating in 1933 with a Bachelor of Arts in Modern History. In January 1935 Pauline married football star and her childhood sweetheart Donald Walker McGibbon, both attending the university together. Don later became vice-president and treasurer of Imperial Oil Limited.