Black & white sketch of Rev. Donald MacCallum by J Gordon Murdoch, Cambuslang 1923. From the frontispiece of Donald’s book ‘Dain Domhnullan’. The Reverend MacCallum was minister of Heylipol during 1887-1889. He was a key agitator during the Highland Clearances and a chief leader during Tiree’s Crofters’ War. A memorial cairn ‘Tùr Mhic Chaluim’ was erected by the people of Tiree at Kilkenneth-Moss.