Betty had a daughter in 1964.
Lambert received the 1956 Brissenden Creative Writing Award and the 1957 Macmillan Best Short Story Award.
In 1965 she joined the English Department of the newly founded Simon Fraser University, where she eventually became professor.
Lambert died in Burnaby, British Columbia, in 1983.
Her work includes over seventy stage, radio, and television plays; additionally, works of both long and short fiction.
While handling a broad range of topics, many of her works deal with feminism, strong women, and sexual violence.