Andrew Sangster was born in Sherbrooke on 8 February 1868. His parents James Sangster and Isabella Michie came to Sherbrooke from Scotland in 1867 to work at the Paton Manufacturing Company. In 1898, Andrew Sangster married Maude Griff; they had three children, Dorothy, Muriel, and Gordon. Sangster studied in Sherbrooke and in Almonte, Ontario. At 14, he began working at the Paton Manufacturing Company. He later worked various Sherbrooke firms, first as a machinist for the Jenckes Machine Company and the Edison Electric Company, and eventually rising to the position of Superintendent with the Canadian Rand Drill Company. He retired in 1932. He died in Sherbrooke on 18 April 1936. His residence was sold in 1940 and became the priest's resident for the catholic parish of Ste-Jeanne d'Arc on Galt Street West. Sangster Park in Sherbrooke was named in Andrew Sangster's memory.