George Michael Leader was an American politician. He served as the 36th governor of Pennsylvania from January 18, 1955, until January 20, 1959. He was a member of the Democratic Party, and a native of York County, Pennsylvania. He was the only person from that county ever to be elected governor of the state until the election of Tom Wolf in 2014.

York County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 456,438. Its county seat is York. The county was created on August 19, 1749, from part of Lancaster County and named either after the Duke of York, an early patron of the Penn family, or for the city and county of York in England. The county is part of the South Central region of the state.