There is a reference to the existence of Kirk Session records for Rothesay going back well before the start of proper records in Rothesay in 1691. I need to check these for further McLea references:

http://books.google.com/books?id=b6QHAAAAQAAJ&pg=PA177&dq=M%27lea+Rothesay&lr=&as_brr=0&ei=64IIS86wL5ToM8TtkbkP#v=onepage&q=M%27lea%20Rothesay&f=false

Kyle=