Kings of Uí Díarmata from c.971 onwards. There are íDílarge temporal gaps where no kings or lords are attested.
Tadhg of Uí Díarmata, died 971
Gillacommain mac Niall, died 991
Muirgheas mac Aedh, died 999
Mac Cú Ceanain, died 1021. Muirgeas ua Cú Ceanainn, died 1037 Aedh Ua Con Ceanainn, died 1067 Muirgheas Ua Cú Ceannainn, died 1105 Aedh Ua Con Ceannainn, died 1119 Donnchadh Ua Con Ceanainn, died 1143 Teige Ua Con Ceannainn, fl. c. 1152; foster-father of Cathal Crobhdearg Ua Conchobair Uada Ua Con Ceanainn, died a cleric, 1167 Cú Ceanain Ó Con Ceanainn, died 1224 Donnell Ó Con Ceanainn, died 1316 at the Battle of Athenry Aodh Ó Con Ceanainn, fl. 1319 Cathal mac Davok Ó Con Ceanainn, died 1370 O Conceanainn, died 1382. Ó Conceanainn, died 1389 Tomas Ó Con Ceanainn, died 1478 William Ó Con Ceanainn, fl. 1478 Davok Ó Con Ceanainn, fl. 1478, to Connemara Ó Con Ceanainn of Cooloo, fl. 1574 Melaghlin and Teige Ó Con Ceanainn, joint rulers, fl. 1574
References
http://bill.celt.dias.ie/vol4/displayObject.php?TreeID=8536
The Story of the Concannons, Maureen Concannon O'Brien, Clan Publications, Dublin, c.1995. The Tribes and Customs of Hy-Many, John O'Donovan, 1843 The Parish of Ballinasloe, Fr. Jerome A. Fahey. https://www.webcitation.org/query?url=http://www.geocities.com/Athens/Aegean/2444/irish/LD.htm&date=2009-10-25+05:47:51 Vol. 2 (AD 903–1171): edition and translation Annals of Ulster at CELT: Corpus of Electronic Texts at University College Cork Annals of Tigernach at CELT: Corpus of Electronic Texts at University College Cork Revised edition of McCarthy's synchronisms at Trinity College Dublin.