Derrydavy
Is ainm dó Doire Dháibhí
Townland in Mountmellick Rural electoral division, Ardea civil parish, Portnahinch barony, County Laois, Ireland.
Catholic parish: Mountmellick (Kildare and Leighlin)
1848–1864
Griffith's Valuation
1901
National Census
1911
National Census
1926
National Census