Scottish Gaelic
There are three main languages spoken in Scotland. The original was Gaelic, brought by the Celts. This language is very similar to Irish Gaelic. Scots is also spoken in Scotland and is similar to English. The main language in Scotland is now English. Scroll down to see where Scottish Gaelic is spoken in Scotland.
Jason Bond has an entire YouTube channel dedicated to learning Scottish Gaelic. Below is a quick peek into a first lesson. Click here to go to his YouTube Channel.
For additional free resources in learning Scottish Gaelic click here.
Scottish Gaelic spoken in 2011 census

SkateTier, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons