The stories in this cycle are from the reign of King Conchobar Mac Nessa, son of the Druid Cathbad and Queen Ness, who is said to have lived in the time of Christ (30 av. J.-C. to 35 apr. AD). Its capital is Emain Macha. It was during the war he delivered to Queen Medb and King Ailill of Connaught that Cúchulainn's gesture intervened.
- Compert Conchobuir (The Conception of Conchobar)
- Scéla Conchobuir mac Nessa (Story of Conchobar Mac Nessa)
- Ferchuitred Medba / Cath Bóinde (The Men of Medb / The Battle of The Boyne)
- Compert Con Culainn (The Conception of Cúchulainn)
- Feis Rod Becfoltaig (The Conception of Cuchulainn)
- Tochmarc Emire (The Court of Emer)
- Aided Óenfir Aífe (The Violent Death of Aife's Only Son)
- Ainfer Aife (The murder of Aifé)
- Aided Derbforgaill
- Aided Guill maic Carbada ocus Aided Gairb Glinne Rige
- Scéla Muicce Maic Dathó (Mac Datho's History of Pigs)
- Fled Bricrenn (The Feast of Bricriu)
- Longes mac nDuíl Dermait (The Exile of the Sons of Dóel Dermait)
- The tales of Deirdre and Grania
- Mac nUisnech Lanyards (The Exile of the Sons of Usnech)
- Aided Chloinne Uisnig
- Aislinge Óenguso (The Dream of Oengus)
- Táin Bó Fráich (La Razzia de Fraich)
- Tochmarc Treblainne (The Court of Treblainne)
- Táin Bó Regamain (La Razzia de Regamon)
- Táin Bó Dartada (The Raid of Dartaid)
- Táin Bó Flidaise (La Razzia de Flidais)
- Tochmarc Ferbe (The Courtise of Ferb)
- Echtra Nerae (The Adventures of Nera)
- Táin Bó Regamna (La Razzia de Ragamna)
- Cath Aenaig Macha (The Battle of the Assembly of Macha)
- Noínden Ulad (The Debility of the Ulates)
- De Chophur in Dá Muccida (The Dispute of the Two Pigmen)
- Táin Bó Cuailnge (The Raid of the Cooley cows)
- Macgnimrada Conculaid (The Childhood Feats of Cúchulainn)
- Aided Con Roí (The Death of Con Roi)
- Aided Conroi Maic Dairi (The Tragic Death of Curoi Mac Dari)
- Mesca Ulad (The Drunkenness of the Ulates)
- These Ulad (The Ulate Disease)
- Tochmarc Luaine ocus Aided Athirni
- Togail Bruidne Da Derga (Destruction of Da Derga's Residence)
- Aided Cheltchair maic Uthechair (La Mort de Celtchar mac Uthechair)
- Serglige Con Culainn Óenét Emire (The Story of Cúchulainn and Emer's Jealousy)
- Cath Étair (The Battle of Howth)
- Cath Ruis na Ríg (The Battle of Ros na Rig)
- Aided Con Culainn
- The Death of Connlach (variant)
- Aided Ceit maic Mágach (The Death of This Mac Mágach)
- Aided Lóegairi Búadaig (The Violent Death of the Victorious Loegaire)
- Aided Conchobair
- Bruiden Da Chocae (The Residence of Da Choca)
- Cath Airtig (The Battle of Airtech)
- Aided Fergusa maic Róig (The Death of Fergus Mac Roeg)
- Goire Conaill Chernaig ocus Aided Ailella ocus Conaill Chernaig
- Aided Meidbe (The Death of Medb)
- Siaburcharpat Con Culainn (The Ghost of Cúchulainn's Chariot)
- De Faillsigud Tána Bó Cuailnge (The Rediscovery of the Raid of the Cooley Cows)
- Masha in the Dinnshenchas
- The Battle of Leitir Ruibhe
- Cogadh Ferghusa agus Choncubhair sonn (The War between Fergus and Conchobar)
- Verba Scáthaige (The Prediction of Scáthach)
- Sanas Cormaic (Story of Nédé son of Adnae)
- Serglige Con Culainn Óenét Emire (Cuchulainn's Disease and Emer's unique jealousy)
- Comracc Conchulaind re Senbecc hua n-Ebricc a Segais in so (The Combat of Cuchulainn with Senbecc, grandson of Ebrecc, of Segais)
- Brinna Ferchertne inso triana codlud (Brinna Ferchertne)