Mary Margaret "Sis" Thornley
Year Inducted: 1979
One of Port Huron's all-time great bowlers. Named to the All-City Bowling Team ten consecutive years, 1957-1967. Long time secretary of the Port Huron Women's Bowling Association. Appointed in 1968 to the Board of Directors of Michigan State Women's Bowling Association. Helped organize Port Huron Junior Bowlers. Active with Girl Scouts, Campfire Girls, United Fund and March of Dimes.