Hi Jenny , yes I can tell you much more re Archibald McLaren and Margaret King , I have a lot off information re both families.
Archibald McLaren's parents were John McLaren and Catharine McLaren , both McLarens , John was from Carnlia , a now ruined farmtown , above Ardveich farm at Loch Earn . Catharine McLaren , Archibald's mother was a daughter off Donald McLaren of Ardveich , the chief in his day. Archibald baptised 7th September 1761 , was still alive on the 1841 census , and died sometime after in the 1840s (no death record).
Margaret King , was the daughter of John King and Janet McLaren , from Castaran , next to Edinample castle at Loch Earn , Margaret was baptised 4th February 1776.
Archibald McLaren and Margaret King were married at Balquhidder Church on the 14th January 1797.
On the 1841 census , Archibald is 79 , Margaret 65 , and granddaughter listed is Margaret Bain age 5.
If you are on facebook Jenny , look for me Gordon McLaren , pic with 2 flags , send friend request . Can send you all original records.
Gordon