Thanks for that Lottie,
I'll keep your info in mind, in case I get any further back.
My Dad was born in Kirriemuir and was one of 13 children. His Dad, grandfather, g/grandfather and g/g/grandfather were all born in Lintrathen. They all had fairly large families, so I know that area should be well populated with 'my' Stewarts!!
I'll get back to you if I find anything to connect us. Regards .. Sheila