I might have a branch for FERGUSON with Mary FERGUSONE (c.1702) married James EDGAR on 2 Jul 1723 at Coylton. They ar x5 gt. gp's to me.
Also, I have their son William EDGAR,(Mar 1730) marrying Janet DUNLOP Dec 1755 Kirkmicheal. They have a son James who dies at age 2 years according to Kirkmichael tombstone.