Only a possible but fits with marriage date of 6 Dec 1761. James Hay baptised 5 Sept 1736 Kirkmichael parents Lewis Hay and Margaret Watson. Baptisms for children of James Hay and Ann Riach all in Kirkmichael. 17 Oct 1762 daughter 31 May 1764 Isobel 3 Aug 1766 John 14 Jan 1769 Nathaniel 31 Mar 1774 Robert 5 Feb 1780 James I am assuming I have missed a few as there are huge gaps between children.
Also born to the couple - Barbara Hay ch. 15 Feb 1785.
Also if you click on the batch no. and enter James Hay in the fathers section - no mothers name - you come up with a William Hay ch. 12 Apr 1771 in Kirkmichael - no mothers name given.
McDonald originating in Aberlour. Smith (Aberdeenshire/Aberdeen), Esslemont, Christie, Robbie; Scott (in Aberdour). Crosbie and Willison. Roxburgh: Lawrie, Thomson, Paxton, Peacock, Amos, Robson