Andrew was 3rd of Gartnafueran. He married a daughter of Patrick Stewart of Glenbuery (letter from Philip B. Stewart, 6 Sabal's Ct., Sewalls' Pt., Stuart, Fl., 4/24/1990).

Andrew is mentioned in the following document as having participated in the murders of Hugh and John Stewart in Balquhidder in DEC 1568: "Reg. Privy Seal. Vol.VI. No. 737. 8 Sept. 1569. Gift to Alexander Stewart in Pittareg of the escheat of numerous persons all from Balquhidder including Alexander Stewart in Gartnascrow and Andrew his son also Duncan Stewart his son, and Blak Alexander Stewart in Glenbuckie and Patrick his son, for the murder of Hugh and John Stewart, his brother, in the lands of Balquhider in December last (The Stewarts of Balquhidder)