Irishian

plural Irishians

1. archaicA scholar of the Irish language.

   […] himself an "Irishian," or Irish scholar, who assured me that he had it from a descendant of years ago.

   1893, Journal of the Cork Historical and Archaeological Society, page 182

   1 more example

   In these indeed, as in all the stories, there are abundance of words no longer used in conversation; but which are understood by the context, or which in districts where such pieces are read, there is always some Irishian sufficiently learned to explain.

   1857, Transactions of the Ossianic Society, volume 3, page 28