Donnchadh mac Urchadh died in 959.
Urchadh mac Murchadh died in 943.
Donnchadh mac Eoghan Ó Duinnshléibhe died in 1528.
Donnchadh of Argyll died in 1244.
Donnchadh Ó Hámsaigh died in 1806.
Donnchadh de Strathearn died in 1355.
Donnchadh Ó Briain died on 1981-09-22.
Donnchadh Conallagh Ua Conchobair died in 1207.
Donnchadh Mór Ó Dálaigh died in 1244.
Donnchadh of Argyll was born in 1175.
Donnchadh Ó Hámsaigh was born in 1695.
Donnchadh Ó Briain was born on 1897-11-17.
The Irish equivalent of Denis is Donnchadh; Scottish Gaelic: ?