Alexander Mackenzie, FSA Scot (1838 – 22 January 1898) was a Scottish historian, author, magazine editor and politician. He was born on a croft, in Gairloch. He had little opportunity for education and initially earned his living as a labourer and ploughman. In 1861 he became apprenticed in the clothes trade selling Scottish cloth in Colchester. In 1869 he settled in Inverness, where he and his brother set up a clothes shop in Clach na Cudainn House. From his business premises he derived his nickname 'Clach na Cudainn' or simply 'Clach'. He later became an editor and publisher of the Celtic Magazine, and the Scottish Highlander. Mackenzie wrote numerous clan histories. He was a fellow of the Society of Antiquaries of Scotland. A founder member of the , Mackenzie was elected an 'Honorary Ch