Outlander Gaelic

[O'Callaghan]

One other thing. You talk of Gaelic and Broad Scots. Most people don't even realise that the two are entirely unrelated. A lot of people think the words they hear in Scots that they don't recognise are Gaelic words, but they aren't. Doric, aka Scots, is related to English, and tends to exist nowadays in the form of mixtures of the two, although I think they always overlapped quite a bit. Gaelic is pretty much unrelated, apart from also being an Indo-European language.

Of course, even there you have Gaelidh (Scots Gaelic) and Gaelige (Irish), plus Manx (Isle of Man), although I'm told they are mostly mutually intelligible. I think there are three or four distinct dialects of Irish, and probably a similar number of Scots Gaelic dialects. I know a few bits and pieces of Irish, but have never seen Outlander anyway.

Brythonic dialects are quite a bit different from Gaelic, although related to Gaelic as well as to eachother. Brythonic comprises Welsh, Cornish (SW England) and Breton (Brittany in France). Cornish was reconstructed from a dead language, which was possible because written records survived, unlike say Cumbrian (NW England Brythonic) or Pictish (Scottish and thought to be Brythonic, but there's some debate over that), which I believe died out with no written records to refer to. The last speaker of Nore also died in the North of Scotland circa late 1700s, with nothing to reconstruct it from, although it was a form of Norse, and some nouns survive in modern use, at least up there. Modern Cornish must differ from the dead language, but is as close as possible without anyone having heard it.