Ardgal mac Conaill (died 520) was a King of Uisnech in Mide of the Ui Neill dynasty. He was the son of Conall Cremthainne (died 480) and grandson of Niall Noígíallach.Francis J.Byrne, Irish Kings and High-Kings, Table 1 He is considered the third king of Uisnech in the list in the Book of Leinster.Book of Leinster,Rig Uisnig

Ardgal was slain in the Battle of Detna in Druimne Breg by Colgu, King of the Airthir of Airgialla and the high king Muirchertach mac Muiredaig (died 532) on the Louth-Meath border which points to the origins of the family of Diarmait mac Cerbaill in the territory north of the Boyne and Blackwater.Annals of Ulster AU 520.2, 523.1; Byrne, pg.xvii

Ardgal's descendants were known as the Cenél nArdgail. They were situated among the Luigne in Co.Meath.

Notes

See also Kings of Uisnech

References

Annals of Ulster at CELT: Corpus of Electronic Texts at University College Cork Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, Book of Leinster,Rig Uisnig at CELT: Corpus of Electronic Texts at University College Cork Revised edition of McCarthy's synchronisms at Trinity College Dublin.

External links CELT: Corpus of Electronic Texts at University College Cork