[2] Anglo-Norman landowner Hugh de Lacy built a castle in Tullow c. 1181 at the site of a crossing on the river Slaney.
There is a statue of Father John Murphy, one of the leaders of the 1798 Rebellion, who was captured near Tullow and executed in the Market Square on 2 July.
There is a small museum with information about this period and other local history located in the former Tullow Methodist church on Bridge Street.
[13] Saint Patrick's are the GAA club in Tullow who currently compete in the Carlow Junior A Football Championship and have been crowned champions on ten occasions.
[14] There is quote in Brendan Behan's Borstal Boy that mentions Tullow: "Littlewood was twenty and married.
The town was at one time connected to the Irish railway network, on a branch line from Naas in County Kildare.
[15] Bus Éireann route 132 provides a once a day each way (Mondays to Fridays inclusive) commuter link to Dublin via Tallaght.
There are also a limited range (usually one/two journeys a day each way) of Bus Éireann Expressway services linking the town to Dublin, New Ross, Waterford and Rosslare Europort.