Galwegian Gaelic
George Buchanan, himself a Gaelic speaker, writing in 1575, reported that Gaelic was still spoken in Galloway. In the middle of the century, 1563–1566, an anonymous English military investigator reported that the people of Carrick "for the most part specke erishe".
Goidelic languages
Dál Riata grew in size and influence, and Gaelic language and culture was eventually adopted by the neighbouring Picts (a group of peoples who may have spoken a Brythonic language) who lived throughout Scotland. Manx, the language of the Isle of Man, is closely akin to the Gaelic spoken in the Hebrides and the Irish spoken in northeast and eastern Ireland and the now-extinct Galwegian Gaelic of Galloway (in southwest Scotland), with some influence from Old Norse through the Viking invasions and from the previous British inhabitants.