Mezue ahịrịokwu na-esonụ: Sir Cahir Rua O'Doherty (ma ọ bụ; 1587<unk>5 Julaị 1608) bụ onye ikpeazụ Gaelic Chief nke Aha nke O'Doherty Clan na Onyenwe Inishowen, na ihe bụ ugbu a County Donegal. O'Doherty bụ onye a ma ama na-eguzosi ike n'ihe n'oge nnupụisi Tyrone ma bụrụ onye a maara dị ka O'Doherty nke Queen maka ọrụ ya n'akụkụ Crown n'oge ọgụ ahụ. Mgbe agha ahụ gasịrị O'Doherty nwere ebumnuche ịghọ onye na-eme ihe ike ma tinye akwụkwọ maka ọnọdụ n'ụlọ Henry Frederick, Prince of Wales, mana ọ na-esokarị ndị ọrụ Irish na-arụ ụka dị ka Viceroy Sir Arthur Chichester na Gọvanọ nke Derry Sir George Paulet. N'afọ 1608, ọ malitere O'Doherty's Rebellion, weghara Derry site n'aka Paulet na
na-agba ya ọkụ. O'Doherty mechara nwụọ n'agha na Kilmacrennan, nnupụisi ahụ dara ngwa ngwa.