The city where Thomas Carey died is the county seat of what county?
Thomas Carey (baritone):  From 1969 until his death of pancreatic cancer in Norman, Oklahoma he taught on the voice faculty of the University of Oklahoma. Norman, Oklahoma:  Norman's estimated population of 120,284 in 2015 makes it the third-largest city in Oklahoma, and the city serves as the county seat of Cleveland County.
Cleveland County