The York County, South Carolina GenWeb site contains an article by Louise Pettus which refers to the Catawba Indians who served during the American Revolution and the Civil War. Also some census records for these Indians.
There are several Canty names listed: Frank Canty William Canty Eliza Canty Franklin Canty Rosey Canty Peggey Canty
It is mentioned that some of these Catawba Indian families moved to Arkansas and to Oklahoma.
For anyone with stories of Indian Canty's - this is a site to check out.