Name three famous people who were born on October 31st.
Three famous people who were born on October 31st are: 
1. Harry Potter author J.K. Rowling (1965) 
2. Former UK Prime Minister John Major (1943) 
3. Model and actress Cara Delevingne (1992)
Three famous people who were born on October 31st are:

1. Snoop Dogg (Calvin Cordozar Broadus, Jr.); 
2. Andy Warhol (Andrew Warhola); 
3. John Lennon (John Winston Ono Lennon).