Hi Kate,
I am sure you are well aware that the Surname Scott,is quite visible in Yarrow Parish and elsewhere.
1841-Gilmanscleugh
Scott,John,70,Indp. b. Selkirk (residing with a James and Christain Ballentin(sic)
Next Residence:
Scott,James,age 70,farmer b. Selkirk
Witer?Cattrean(Catherine) age 15,serv.b. OUC
" James,age 6,b.OUC
Gray,Jean,age 20.serv. B. Sel.
Scott,Margaret,age 18,b. OUC
Blyth,Helen,age 17 serv. b. Sel.
Langhope has the following:
Scott,Walter,age 60,farmer,b.OUC
Betty,age 55 B. Sel.
Jean or Jane,age 25,B. Sel.
Geo,age 20,Shepherd,b. Sel.
Beattrick(sic) age 15 b. Sel.
Mary ,age 15,b. Sel.
Walter,age 14 b.Sel.
Helen,age 12,b. Sel.
Brydon,Margaret,age 14,b. Sel.
These are the only ones that Could fall within your criteria.