Camerons from the Highlands

Hello my name is Lisa my maiden name is Cameron and i am trying to trace my family tree. I know my grandad was born in Dufftown a. As far as i know on my grandads birth certificate he was born at Donald's building on York street his mother was Mary Stewart. father was jams cameron but I think his mum and dad were not married as it says illegitimate on the certificate he was born on june the 10th 1914. Any help would be great