Laraine Day, born La Raine Johnson, was a major movie star of the 1940s and '50s. Raised in Utah as part of a prominent Mormon family, she came to Hollywood as a young woman, and made her film debut with an uncredited role in Stella Dallas. Before she was famous she also played the birth-mother of Tarzan and Jane's adopted son "Boy" in Tarzan Finds a Son. Her break came in 1939, with the wildly popular "Dr Kildare" sequels. Day played Kildare's nurse and love interest in the third through ninth Kildare movies, until her character married the doctor in Dr. Kildare's Wedding Day. As Mrs Kildare,…