Cargill MacMillan Sr. (October 10, 1900 – October 16, 1968) was an American business executive, serving as the President of Cargill in Minneapolis.
He was the second son of John H. MacMillan Sr. and Edna Clara Cargill.
[1] MacMillan served as the President of Cargill.
He married Pauline Whitney (1900–1990), and they had four children.
Each of the three surviving adult children received a one-ninth share of Cargill.