A.W. MacKay was the son-in-law of James Egan Moulton and a friend of Robert Louis Stevenson. MacKay came to Australia from Scotland as a youth and later became head of Bhermeyer Dewer and Co. Wool Buyers and Merchants in South Australia. He sailed to Tonga in the John Wesley from Sydney and arrived on 9 April 1886. MacKay was also an anti-Sherley Waldemer Baker propagandist during his years in Tonga and Samoa.
From the description of Papers [manuscript]. [ca. 1800]-1920. (Libraries Australia). WorldCat record id: 225816565