Kathy Hilton is 65 years and 7 month(s) old. She was born in 13 Mar, 1959. Kathy Hilton is an American performer, style creator and giver. Kathy tailed her mother's recommendation and got married to Richard Hilton, 52, when she was 19. When her first little girl, Paris, was conceived, Kathy and her mother accepted that Paris was going to be popular.