William Donald McNeill was an American tennis player. He was born in Chickasha, Oklahoma, and died in Vero Beach, Florida.

Chickasha is a city in and the county seat of Grady County, Oklahoma, United States. The population was 16,051 at the 2020 census, a 0.1% increase from 2010. The city is named for and strongly connected to Native American heritage, as "Chickasha" (Chikashsha) is the Choctaw word for Chickasaw. Chickasha is home to the University of Science and Arts of Oklahoma.