Career
Born around 1600, his family was an offshoot of the kin of the earls of Seaforth. After being ordained by John Maxwell, Bishop of Ross, he served as a chaplain in a regiment of King Gustavus Adolphus of Sweden during the Thirty Years" War. He returned from Germany to become parson (ie rector) of the parish of Contin in Ross, moving to take charge of the church of Inverness, and then taking over as minister of Elgin.
Following the Restoration and re-establishment of Episcopacy, MacKenzie was selected to be the new Bishop of Moray on 18 January 1662.
He was translated to the bishopric of Orkney on 14 February 1677. He died in either February or March 1688.