These Irish name elements are associated with this record in the Logainm glossary.
An element’s translation is a clue, rather than a complete explanation of the name. Its form and meaning depend on local history and the full Irish name.
Recorded forms
Dún na nGall· Irish · main form · validated name
Donegal· English · main form
Place & story
A coast with several approaches
Lewis’s 1837 opening places Donegal between the Atlantic, Donegal Bay and the eastern approaches around Lough Foyle. Malin Head and Horn Head appear in his geographical discussion as separate northern landmarks. The county’s waters face different routes and neighbouring regions. A coast-wide label can therefore hide substantial differences between an Inishowen address, a settlement on Donegal Bay and a town connected with Lough Swilly.[2]
Tyrconnell in historical writing
The directory associates much of the county with Tyrconnell and the O’Donnell lordship, while also recording the O’Dohertys of Inishowen and other regional families. These labels help interpret annals and land histories but should not be projected automatically onto modern county or parish boundaries. The chiefs’ pedigrees are statements within a historical compilation. They do not establish that every person sharing an O’Donnell or O’Doherty surname descends from a particular ruler.[2]
More than one working centre
The settlement accounts show different connections: Letterkenny traded through the Swilly, while Ballyshannon occupied the Erne crossing and river mouth. Donegal town itself was a smaller market and harbour settlement on the Eske. A county history needs all three scales rather than making the town stand for the whole county. For family research, preserve parish, townland and port details, and distinguish permanent residence from the place through which a person or cargo travelled.[3][4][5]
Figures cover the whole county including its cities. CSO recommends this series for long-term comparison, although minor boundary changes have occurred.
View population figures
County Donegal, including its cities — census population
placenames