Giolla Íosa Mág Samhradháin, (died 1231) was chief of the McGovern Clan and Baron or Lord of Tullyhaw barony, County Cavan from about 1181 to 1231. (en)
Giolla Íosa Mág Samhradháin, (died 1231) was chief of the McGovern Clan and Baron or Lord of Tullyhaw barony, County Cavan from about 1181 to 1231. (en)