Irish formÓ Dubhthaigh
Meaning'descendant of Dubhthach' (black)
CountiesMonaghan, Donegal, Mayo, Roscommon
Other spellings10
Origin of the Duffy name
Woulfe: 'found in all parts of Ireland, and, doubtless, there are several distinct families so called.' The O'Duffys of Connacht gave many eminent prelates to the church in that province; they were also a family of note in Monaghan. In Munster the name is generally anglicised Duhig; Keating gives the family a Dalcassian origin.[1]
- 1123Cross of Cong made; it asks a prayer for Muiredach Ua Dubthaig.[3][4][10]
- 1816Charles Gavan Duffy born in Monaghan, 12 April.[5]
- 1842Charles Gavan Duffy co-founds the weekly Nation.[5]
- 1868Fenian Edward Duffy dies in Millbank Prison, 17 January.[6]
- 1871Charles Gavan Duffy becomes Prime Minister of Victoria.[5]
- 1890Duffy is 45th of Ireland's principal surnames, about 13,600 people.[7]
Duffy surname: questions
What does the surname Duffy mean?
Woulfe gives Duffy as an anglicised form of Ó Dubhthaigh, 'descendant of Dubhthach', Dubhthach meaning 'black'. He adds that the name was sometimes translated as Black.[1]
Where in Ireland is Duffy from?
Woulfe says the name is found in all parts of Ireland, with notable families in Connacht and Monaghan, and that it is very common in Ulster, especially Monaghan and Donegal. In 1890 Duffy was the principal surname in Co. Monaghan.[1][9]
Are Duffy and Duhig the same name?
Woulfe says that in Munster Ó Dubhthaigh is generally anglicised Duhig, owing to the pronunciation of the final g.[1]
How common is Duffy in Ireland?
Matheson's survey of the 1890 Births Index ranked Duffy 45th of the hundred principal surnames, with an estimated 13,600 people.[7]