All my Findlays seem to have been from Peterculter and
Skene, Aberdeenshire. I have now traced them back to an
Alexander Findlay of Beanshill, Peterculter who married
Margaret Stuart. Their children were born in Beanshill
and then from 1731 in Gateside Skene. Later generations
lived at Netherton, Garlogie (Skene) and then Roadside,
Garlogie until the early 1900's. Alexander Findlay (a
sibling to my direct ancestor Christina Findlay) was
married to Agnes Campbell and lived at Roadside Garlogie
until his death in 1904. I don't have any connection
with your Paisley Findlays as far as I am aware.
Sorry I can't help but good luck with your research!