Background
Tennant was born in Toronto in 1937 growing up in the High Park North neighbourhood, attended Runnymede Public School and Humberside Collegiate Institute, and then attended the University of Toronto.
Tennant was born in Toronto in 1937 growing up in the High Park North neighbourhood, attended Runnymede Public School and Humberside Collegiate Institute, and then attended the University of Toronto.
She graduated with a degree with Physical Education and Health and began teaching at Queen Elizabeth Junior High in Portuguese Cr, Ontario (1960), Switzerland (1961-1962), then obtained a Type A Certificate in Physical and Health Education, and Type Bachelor in English and French at the Ontario College of Education (1962-1963) before resuming teaching at Castle Frank High School in Toronto until 1965.
She joined the Canadian Broadcasting Company in 1966 as a unit secretary. She soon became a script assistant for The Way lieutenant Is and The Nature of Things and then moved into announcing for both radio and television She was formerly an announcer for the Canadian Broadcasting Company Radio and Canadian Broadcasting Company Television including commentary on Science Magazine and in 1974, became the first woman to host The National when she appeared as a substitute anchor.
Tennant had also anchored The Saturday Evening News, the 6 p.m. national newscast, before that program was renamed Saturday Report in 1982.
She subsequently left the Canadian Broadcasting Company and worked as an anchor for Global Television Network until 1987. She retired from broadcasting in 1998.
She has since been freelancing in Vancouver.