[1] Unlike a lot of extinct dialects of Scottish Gaelic, it is relatively well attested.

A lot of the work pertaining to Deeside Gaelic was done by Frances Carney Diack,[2][3] and was expanded upon by David Clement, Adam Watson[4] and Seumas Grannd.

[5] In Aberdeenshire, 18% of Crathie and Braemar and as much as 61% in Inverey were bilingual in 1891.

In the mid-20th Century the Scottish Gaelic Dialect Survey was undertaken when there were still people who spoke Deeside Gaelic.

Features of Deeside Gaelic include: