 In April 1500 Mackenzie obtained a precept of clare constat (a feudal superior's confirmation of his vassal's entitlement to an estate) for Kintail and other lands from James Stewart, Duke of Ross.In 1504 he asserted an hereditary right to Meyne, Escadell [Eskadale] and other lands in Ross-shire.He is recorded also as having been a tenant of Kynellane [Kinellan], Scatell Mekill [Greater Scatwell], Scatell Beg [Lesser Scatwell], Kilquilladrum and Mylne of Coulle [mill of Coul].