The first true historical beginning of the clan is where we hear about Sir Laumon signing a charter in 1235 granting lands in Cowal to Paisley Abbey in about 1235. From Laumon comes the modern name “Lamont,” and the clan became known as such. His descendants, the early chiefs of the clan, were described as “The Great MacLamont of all Cowal” (Scottish Gaelic: Mac Laomain mor Chomhail uile). The name Laumon possibly derives from the medieval personal name Lagman (Lawspeaker) which is from the Old Norse Logmaðr