1) Celtic surname 2) Governor general john 
Buchan ən is one of the six committee areas and administrative areas of Aberdeenshire Council, Scotland. These areas were created by the council in 1996, when the Aberdeenshire council area was created under the Local Government etc (Scotland) Act 1994. The council area was formed by merging three districts of the Grampian region, Banff and Bucha...
Buchan is a cultivated variety of potato.
(Baron Tweedsmuir), 1875–1940, Scottish novelist and historian: governor general of Canada 1935–40.