Early Origins of the McMillan family
The surname McMillan was first found in at Tayside, where in 1263 Cilleonan MacMolan appears on documents. [1] They arrived in Strathtay from the lands in Loch Arkaig after King Malcolm IV transplanted many Clans, including the MacMillans, from that region about 1160 AD. Later, about 1350, the Camerons, who had changed their name to Chalmers, drove them from their Strathtay territories.
In vacating the Strathtay, the Clan branched to many other areas, including Lochaber, Argyll and Galloway. The senior branch, however, were the MacMillans of Knapdale, and they held a grant from the Lord of the Isles inscribed in Latin on a rock at Knap: 'MacMillan's right to Knap shall be, as long as this rock withstands the sea.'
Malcolm Mor MacMillan had received this rock by the 14th century.
His grandson Lachlan MacMillan died at the Battle of Harlaw in 1411. Lachlan's son, Alan MacMillan of Knap, married the McNeill heiress and took over the Castle Sween. He erected a cross, which still stands to this day in Kilmory churchyard. The cross stands better than twelve feet high and is elaborately engraved, showing a Highland Chief hunting a deer on one side, and a claymore surmounted by certain Clan members on the other.
Origin: Strathtay