Irishry

noun3

1. •
   A distinctively Irish mannerism or expression; an Irishism.

   • Nor perhaps would it so much have mattered if it were Dorothy alone who was (to say an Irishry) drifting apart. — 1906
2. •
   (historical) In medieval Ireland, a territory inhabited by Irish people following their own customs.

   • By the sixteenth century there is unmistakable evidence of a division of the county into an Englishry and an Irishry […] — 2000
3. •
   [plural only] (no longer used) The Celtic people of Ireland.

   • the whole Irishry of rebels — 1649