The only child of Helen Lita (née Westergaard) and Frederick Robert Morrison, Leigh was born as Jeanette Helen Morrison on July 6, 1927, in Merced, California, and grew up in Stockton, California.

In winter 1945, she was discovered by actress Norma Shearer, whose late husband Irving Thalberg had been a senior executive at Metro-Goldwyn-Mayer.

Janet Leigh's Family Tree