Lackagh is situated in the south west of the civil parish of Killallaghtan barony of Kilconnel Co Galway. It is bounded by Doonaree, Eastwell and Rooaun in the said barony and by Shanballycoleman and Ballydonnellan West in the barony of of Cloonmacnoon in the said parish and by Cartronsheela in the parish of Aughrim in Kilconnell barony.
0’Donovan’s Field Name Books gives one other spelling of this townland: Lakaath.
Down Survey map gives no information on who owned this land in the 1600s.
The census gives no information on who lived in this townland in 1901 and 1911.