Dubh Essa Bean Uí Dubhda (died 1190) was a queen of Ui Fiachrach Muaidhe.
Biography Her husband, An Cosnmhaidh Ua Dubhda, was assassinated in 1162. The Annals of Loch Ce mention her death in 1190: "Duibhessa, daughter of Diarmaid, son of Tadhg, wife of the Cosnamhach O'Dubhda, mortua est."
See also Dubh Essa Kings of Ui Fiachrach Muaidhe O'Dowd
External links http://medievalscotland.org/kmo/AnnalsIndex/Feminine/DubEssa.shtml http://www.ucc.ie/celt/published/T100010A/index.html