Sir Charles Douglas and the Baronets of Carr

I have come across different information about my ancestor, Rear-Admiral Sir Charles Douglas, and where he was born in 1727. Some sources say he was born in Perthshire and others in Fifeshire. His parents were living in Kinglassie, Fife, but when he was made a baronet in 1777, it was of Carr, Perthshire. Does anyone have any information that might help clear this up? Thanks!