"His father had a notion," observes Malone, on the authority of Dr. Percy, Bishop of Dromore, "that it might at some future period of his life be an advantage to a child to bear an uncommon Christian name, - - - Hence our author derived the scriptural name of Joshua, which, though not very uncommon, occurs less frequently than many others." But another biographer has suggested, with more appearance of reason, that it was probably given to him because an uncle, who was one of his godfathers, bore the same name,
1835, “The Literary Works of Sir Joshua Reynolds. To Which is Prefixed a Memoir by H.W.Beechey”, in Strand, London: T. Cadell, page 33