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
Classical Gaelic, otherwise known as Early Modern Irish, covers the period from the 13th to the 18th century, during which time it was used as a literary language in Ireland and Scotland. This is often called Classical Irish, while "Ethnologue" gives the name "Hiberno-Scottish Gaelic" to this standardised written language. As long as this written language was the norm, Ireland was considered the Gaelic homeland to the Scottish literati.