ca'in/caain whales-
alternative spellings of the same word - for Pilot Whale, usually.

Clunas-
now usually Cluness.

Colafirth-
now Collafirth.

Coningsburgh-
now Cunningsburgh.

Cumlywick-
now Cumlewick.

Cunningster-
now Cunnister.

Dalzell-
alternatively Dalziel, Dalyell, Deyell, and even Yell.

Dunrosness-
now Dunrossness.

Edmonston/Edmonstone-
now Edmondston.

Eskerness-
probably Eshaness.