Cú Dínaisc mac Conasaig (also called Cudinaisc, Cudinaisg, Cú Dínisc, Cudiniscus; c. 720 – 791) was the Abbot of Armagh, Ireland from 768 to 772. 
  Genealogy and birth
 Cú Dínaisc was a member of the Uí Eachach clan from the Ards Peninsula, County Down. His father was Concas (also called Conasach, Conasaig, Cú Ásaig, Cú Fásaig) who was descended from Cathbath, son of Eochaid Gonnat the High King of Ireland who died in 267 AD.[1] 
 Abbot of Armagh
 On the death of Fer dá Chrích mac Suibni, the Abbot of Armagh, on 18 May 768, Cú Dínaisc was appointed as the 23rd coarb in succession to Saint Patrick.[2] Cú Dínaisc was in contention with Dub dá Leithe I mac Sínaig for the abbacy and was forced out or resigned after 4 years in office. 
 Death
 Cú Dínaisc died in 791. The Annals of Ireland give the following obits: 
 - Annals of the Four Masters 790: "Cudinaisc son of Conasach, Abbot of Ard-Macha, died"
- Annals of Inisfallen 791: "Cú Dínisc son of Cú Ásaig, abbot of Ard Macha, rested"
- Annals of Ulster 791: "Cú Dínaisc son of Cú Fásaig, abbot of Ard Macha"
Notes
   - ^ The Ancient List of the Coarbs of Patrick, by Rev. H. J. Lawlor and R. I. Best in PRIA, Vol. XXXV (1919), p. 321, No. 26. 
- ^ Moody, Martin & Byrne 1984, A New History of Ireland, volume IX, p. 238. 
  References
  - Moody, T. W.; Martin, F. X.; Byrne, F. J., eds. (1984). Maps, Genealogies, Lists: A Companion to Irish History, Part II. A New History of Ireland. Vol. IX. Oxford: Oxford University Press. ISBN 0-19-821745-5.
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| 5th–8th centuries |  | 
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| Abbots 8th–12th centuries
 |  Célé PetairFer dá Chrích mac SuibniDub dá Leithe I mac SínaigFóendelach mac MóenaigAirechtach ua FáeláinFóendelach mac Móenaig (second)Gormgal mac DindataigCondmach mac Duib dá LeitheTorbach mac GormáinToicthech Ua TigernaigNuadu of Loch UamaFlandgus mac LoingsigArtrí mac ConchobairSuibne mac ForandáinEógan Mainistrech mac AinbthigForindán mac MurgileDiarmait ua TigernáinCathassachFéthgno mac NechtainMáel Cobo mac CrundmaílAinmere ua FáeláinMáel Cobo mac Crundmaíl (second)Cathassach mac RobartaigMáel Brigte mac TornáinIoseph mac FathaigMáel Pátraic mac Máel TuileCathassach mac DoilgénMuiredach mac FergussaDub dá Leithe II mac CellaigMuirecén mac CiaracáinMáel Muire mac EochadaAmalgaid mac Máel MuireDub dá Leithe III Máel MuireCummascach Ua hErodáinMáel Ísu mac AmalgadaDomnall mac AmalgadaCellach of ArmaghMuirchertach mac DomnallNiall mac Áeda meic Máel Ísu
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| Bishops 8th–12th centuries
 |  AffiathNuadu of Loch UamaArtrí mac ConchobairForindán mac MurgileMáel Pátraic mac FindchonFéthgno mac NechtainCathassach mac RobartaigMochtae daltae FéthgnoMáel AithginCellach mac SóergussaMáel Ciaráin mac EochocáinIoseph mac FathaigMáel Pátraic mac Máel TuileCathassach mac DoilgénCathassach mac MurchadáinMáel Muire mac ScandláinnAirmedach mac CoscraigCenn Fáelad SabaillMáel TuileÁed Ua ForréidMáel Pátraic mac AirmedaigCáenchomrac Ua BaigillMáel Coluim Ua BroicháinMáel Brigte Ua BroicháinAmlaim Ua Muirethaig
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| Archbishops 12th–16th centuries
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| Archbishops 16th–21st centuries
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| Italics indicate a person who was elected but not consecrated. |