Irish formÓ Gallchobhair
Meaning'descendant of Gallchobhar' (foreign help)
CountiesDonegal, Mayo, Tyrone, Sligo
Other spellings5
Origin of the Gallagher name
Woulfe calls it the name of a numerous and once powerful family in Tirconnell, descended from Maolchobha, King of Ireland in the 7th century. As marshals of O'Donnell's forces, the O'Gallaghers took a prominent part in the military movements of Cinel Conaill from the 14th century on, and many were Bishops of Raphoe and Derry.[1]
- 1569Redmond O'Gallagher appointed Bishop of Derry.[5]
- 1575Redmond O'Gallagher made Administrator of Armagh during the primate's absence.[5]
- 1601Bishop Redmond O'Gallagher killed by a body of soldiers.[5]
- 1725James O'Gallagher appointed Bishop of Raphoe.[4]
- 1734Bishop James O'Gallagher escapes capture by night on horseback.[4]
- 1736His Irish sermons, written in hiding on a lake island, are printed.[4]
- 1737James O'Gallagher transferred to Kildare.[4]
- 1890488 Gallagher birth entries in Ireland, 295 of them in Ulster.[3]
Gallagher surname: questions
What does the surname Gallagher mean?
Woulfe gives Gallagher as an anglicised form of Ó Gallchobhair, 'descendant of Gallchobhar', and glosses Gallchobhar as 'foreign help'.[1]
Where in Ireland is the Gallagher name from?
Woulfe places the family in Tirconnell, where they were marshals of O'Donnell's forces. In 1890 Gallagher births were found principally in Donegal, Mayo, Tyrone, Sligo, Londonderry and Dublin, with Donegal alone furnishing two-thirds of those in Ulster.[1][3]
Are Gallagher, O'Gallagher and Gallaher the same name?
Yes: Woulfe lists O'Gallagher, Gallagher, Gallaher, Gallogher and Gollagher as anglicised forms of Ó Gallchobhair. He adds that the name was sometimes shortened to Ó Gallchú, anglicised Gallahue.[1][2]
Were there Gallagher bishops?
Woulfe says many O'Gallaghers were Bishops of Raphoe and Derry. The Catholic Encyclopedia records Redmond O'Gallagher, Bishop of Derry from 1569, and James O'Gallagher, Bishop of Raphoe from 1725.[1][4][5]