Ancestry has some Scottish baptism records. They have the following:
James Watson bap. 23 April 1774 at Garvock, to James Watson and Margt. English
James Watson bap. 2 July 1778 at Garvock, to James Watson and Jean Milne
According to a family free posted on Ancestry, the James Watson baptised 1778 married Mary Beatie in 1802 and they had 7 children. Their daughter Agnes, born 1819, married William Bruce.
The same tree has Mary Beattie born about 1785 at St Cyrus, daughter of David Beattie and Margaret Robertson.