Parsonstown is the former name of the town of Birr in County Offaly, Ireland. It was named after the Parsons family who were local landowners and hereditary Earls of Rosse.Parsonstown may also refer to:PlacesRepublic of IrelandParsonstown, Ardkill, a townland in Ardkill civil parish, barony of Carbury, County KildareParsonstown (civil parish), a civil parish in the barony of Ferrard, County LouthParsonstown, County Louth, a townland in Parsonstown civil parish, barony of Ferrard, County LouthParsonstown, County Meath, a townland in Rathregan civil parish, barony of Ratoath, County MeathParsonstown, County Westmeath, a townland in Tyfarnham civil parish, barony of Corkaree, County WestmeathParsonstown, Donaghcumper, a townland in Donaghcumper civil parish, barony of North Salt, County Kildare