Cooksborough (Irish: Maigh gCuilinn) is a townland in County Westmeath, Ireland. It is located about 7.1 kilometres (4 mi) east of Mullingar. Cooksborough is one of 34 townlands of the civil parish of Rathconnell in the barony of Moyashel and Magheradernon in the Province of Leinster. The townland covers 921.54 acres (3.7293 km2). The neighbouring townlands are: , Killynan (Cooke) and to the north, to the east, and (barony of Farbill) to the south and to the west. In the 1911 census of Ireland there were 9 houses and 47 inhabitants in the townland.