What is the first name of Alfred Hitchcock's daughter, who appeared in his 1960 film 'Psycho'?

Patricia Alma Hitchcock O'Connell (born 7 July 1928), also known as Pat Hitchcock, is an English actress and producer. She is the only child of English director Alfred Hitchcock and Alma Reville, and had small roles in several of his films.

She had small roles in three of her father's films: 'Stage Fright' (1950), in which she played a jolly acting student named Chubby Bannister, one of Wyman's school chums; 'Strangers on a Train' (1951), playing Barbara Morton, sister of Anne Morton (Ruth Roman), Guy Haines's (Farley Granger) lover; and 'Psycho' (1960), playing Janet Leigh's character's plain-Jane office mate, Caroline, who generously offers to share tranquilizers that her mother gave her for her wedding night.