Derrylahen
Townland in Timahoe North electoral division, Timahoe civil parish, Clane barony, County Kildare, Ireland.
Catholic parish: Clane (Kildare and Leighlin), Allen and Milltown (Kildare and Leighlin), Kilcock (Kildare and Leighlin), Carbury and Dunforth (Kildare and Leighlin)
1848–1864
Griffith's Valuation
1901
National Census
1911
National Census
1926
National Census