Thank you both very much. Forfarian, I should've gone back to review replies, yours on July 25 is very thorough. I think I had planned to go back and read and review it again but forgot. And thanks djct59 for posting that. I've read in this synopsis
https://docplayer.net/102524507-Record-society-scottish-parish-register-of-durness-hew-morrison-ll-d-edinburgh-edited-sect-printed.html for the transcript of the Registry that Rev. Thomson wasn't prolific in Gaelic. "He could not master the spelling of the local popular surnames, but he has preserved in the register a careful and minute phonetic rendering both of the names of persons and of places." And so 'na ainaich' might be likely to be incorrect, and 'nin sainach' too if nin cainach reads as Kenneth, and seeing as she's listed as alias McKenzie in the marriage record of 1785.
