- O'Cahan Chiefs
- Cooey-na-gall Man or Myth
- Chief Dermot O'Cahan
- Chief Godfrey O'Cahan
- Chief Manus O'Cahan
- Chief Rory "the Volatile" O'Cahan
- Chief Sean O'Cahan
- Chief Thomas O'Cahan
- Donough "the Hospitable" O'Cahan
- Donnell "the Cleric" O'Cahan
- Chief Manus O'Cahan
- Chief Rory O'Cahan
- Chief Aibhne O'Cahan
- The Betrayal of The Last O'Kane Chief
- Confederate Septs of the O'Cahans
- Mcllvenny Sept
- McCluskey Sept
- O'Mullan Sept
- MacGilligan Sept
- O'Diamond Sept
- Historical Trail
- The Grianan of Aileach
- Duncrun Abbey
- O'Cahan Castles
- Drumachose Old Church
- Coleraine Town 'Coil Raithin'
- Heritage
- Composition of the Clan
- The political structure of the Sept
- The Bard Poets and Harpist
- O'Cahan Timeline
- The Clans of Tirowen
- Battle of Drum-dearg
- Legends of the O'Cahans
- Gaelic Music
- Irish Database Outline
- Derry Census Records
- Derry Local History
- Derry Directories
- Emigrate Records
- Kanes on the web
- Derry Military Records
- Irish Clan Links
- General Genealogy Links
Government Genealogy Resources
