clanmactavish.org
Clan MacTavish Family Names - Septs
The preferred modern method of detailing clan related surnames is now Associated Family Names, which were once called Septs. The founder of Clan MacTavish in Knapdale was Taviss Mor Mhic macCalumn, or, Tavis the Great son of Calumn (or simply Tavis Coir 1) in 12th century Argyll. His ancestors were the Irish MacGilletamhais of Guill and …