Robert William Mackay (1803–1882) was a British philosophical and religious author.
Charles Hardwick in his Christ and other Masters grouped Mackay's religious views, with those of William Johnson Fox and Theodore Parker, as falling under a heading "absolute religion".
[1] Born 27 May 1803 in Piccadilly, London, he was the only son of John Mackay, and was educated at Winchester College.
He was called to the bar at Lincoln's Inn in 1828, but turned to theology and philosophy.
[5] He was a secularist follow of George Jacob Holyoake, but did not share his political views.