Fluent in both Gaelic and English, McVicar began his ministry in Fort William before moving to Edinburgh's West Kirk in 1707.
McVicar was a strong supporter of the Hanoverian succession against waves of Jacobite rebellion throughout the 18th century.
McVicar stayed in his role for over 40 years with several ministers passing through the first charge during his ministry, most notably George Wishart.
"[4] In 1746 Sir James Campbell of Auchinbreck presented him to the congregation of Knapdale but McVicar declined the post.
[2][page needed] He died in Edinburgh on 29 January 1747 aged 74 and is buried in the churchyard of St Cuthberts.