Hi Colleen: I finally found my work. Children of Donald McMillan UE and Catherine McDonell lived 20.5 Cornwall Township, Stormont.
(1) Flora McMillan m Alexander Bui McDonell (McDonald)
(2) Sushannah McMillan m Donald McMillan (Cairbh) of 25.4 Lochiel
(3) Ann/Nancy McMillan m Lauchlin McDonell
(4) Sarah McMillan m John McMillan son of Hugh (Ewen) McMillan and Mary McMillan
(5) Alexander McMillan m Jennet McDonell
(6) Mary McMillan m Angus MacDonald
(7) Catherine McMillan m John McMillan son of Allan McMillan and Ann McMillan of 23.5 Lochiel
(8) Janet (Genny) m Archibald McDonell
(9) Donald McMillan m Ann McDonald
I know of another son Dougal(d) McMillan who married a McMillan girl whose father was Captain Donald McMillan during the War of 1812. I hope the above helps. Anne Neuman