He was the only son of Margaret Stewart, wife of Rev Matthew Wallace, the parish minister of Kincardine-in-Menteith[1] (west of Stirling), where he was born on 7 January 1697.
[2] On 31 July 1722, Wallace was licensed as a preacher by the presbytery of Dunblane, Perthshire, and he was presented by the Marquis of Annandale to the parish of Moffat, Dumfriesshire, in August 1723.
In 1742, on a change of ministry at Westminster, he regained influence, and was entrusted for five years with the management of church business and the distribution of ecclesiastical patronage.
scheme, and at the end of the year he submitted it in London to Robert Craigie, the Lord Advocate, who saw it into legislation as the Ministers' Widows Fund (Scotland) Act 1743 (17 Geo.
[2] In June 1744, Wallace was appointed a Chaplain in Ordinary to King George II in Scotland and Dean of the Chapel Royal.
It contained criticism of the chapter on the Populousness of Ancient Nations in David Hume's Political Discourses.