Ballyknockan
Is ainm dó Baile an Chnocáin
Townland in Leighlinbridge electoral division, Wells civil parish, Idrone West barony, County Carlow, Ireland.
Catholic parish: Leighlinbridge (Kildare and Leighlin)
1848–1864
Griffith's Valuation
1901
National Census
1911
National Census
1926
National Census