Verdon was born in Culver City, California, the second child of Gertrude Lilian (née Standring; October 24, 1896 – October 16, 1956) and Joseph William Verdon (December 31, 1896 – June 23, 1978), British immigrants to the United States by way of Canada.[1] Her brother was William Farrell Verdon (August 1, 1923 – June 10, 1991). The Verdon family could be described as "showpeople." Her father was an electrician at MGM Studios, and her mother was a former vaudevillian of the Denishawn dance troupe, as well as a dance teacher.[2][3]