William de Barry of Olethan

✓ William de Barry, of Olethan, Muscry-Donnegan and Killyde, co. Cork, 's. and h.' of Philip de Barry, 'to whom King John, on 21 Feb. 1206, confirmed the three cantreds abovenamed' (CP I p.436). Wife not named. Source: Complete Peerage 2nd edn vol. I (1910), 'Barry, Barrymore or Buttevant' pp.435-444 (early portion rewritten by G.D. Burtchaell from Rev. E. Barry's 'Barrymore', JCHAS 2nd ser. vols v-viii, 1899-1902), read 26 Oct 2026 (archive.org djvu text). [DIRECT ANCESTOR OF THE COMPILER: flag added 26 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]