Her parents were medical missionaries with the Church Mission Society, she spent formative years in Pakistan and the family emigrated to Canada when she was 11.
On September 17, 2016, Andison was elected as a suffragan bishop, alongside Kevin Robertson and Riscylla Shaw.
[2] She was consecrated on January 7, 2017, by Colin Johnson, Bishop of Toronto, and Fred Hiltz, Primate of the Anglican Church of Canada, at St. Paul's, Bloor Street.
In October 2020, she announced her intention to step down as bishop in early 2021 and become the incumbent of St. Paul's, Bloor Street.
Jenny Andison is married to Tim, a corporate lawyer, and they have three daughters, Emma, Kate and Charlotte.