Daniel MacMillan (Scottish Gaelic: Dòmhnall MacMhaolain) (1813–1857) was a Scottish publisher from the Isle of Arran, Scotland.
Daniel MacMillan was born in the Isle of Arran to a crofting family. Moving to London, he founded Macmillan Publishers, with his brother Alexander.[1][2]
Macmillan, with the recommendation of his brother Alexander, sent George Edward Brett to open the first American office in New York.[3]
His son, Maurice Crawford Macmillan (1853–1936) married Helen (Nellie) Artie Tarleton Belles (1856–1937), whose son Harold became British Prime Minister.
Macmillan A Publishing Tradition by Elizabeth James 2002 ISBN 0-333-73517-X