Hugh Allan, b. 29 Sept. 1810 in Saltcoats, Ayrshire, Scotland, d. 9 Dec 1882 in Edinburgh, Scotland, son of Alexander Allan & Jean Crawford.
Hugh Andrew Allan, b. 22 Sept. 1857 in Montreal, Quebec, Canada, d. 1938, son of Andrew Allan & Isabella Ann Smith. He married Margaret Rae.
Hugh Montagu Allan, b. 13 Oct 1860 in Montreal, Quebec, Canada, d. 26 Sept. 1951 in Montreal, Quebec, Canada, son of Hugh Allan & Matilda Caroline Smith. He married Marguerite Ethel Mackenzie.