Lesley During the late 18th century many Gaelic surnames were Anglicised. McIlcomne or McIlchombie became Lamont. Nowadays the Gaelic form of Lamont is MacLaomuinn. "Mòr" is the English for Marion or Sarah. Mòr (female form mhòr) means 'big'. Alasdair Mòr is big Alexander. Màiri mhòr is big Mary. Hope this helps Sìne