Here are the Kirwan entries I found for Roscrea and nearby listed in Slaters Directory for 1881. Lancelot Kirwan, emigration agent, china, glass & earthenware dealer Shinrone, Roscrea Edward Kirwan, boot & show maker Borris-in-Ossory, Co. Tipperary William Kirwan, boot & shoe maker, leather seller Borris-in-Ossory, Co. Tipperary Kate Kirwan, clothes dealer, pawnbroker Rosemary Street, Roscrea Martin Kirwan, grocery & spirit dealer, ironmonger, hardware Abby Street, Roscrea Ann Kirwan, milliner & dressmaker Borris-in Ossory, Co. Tipperary Tom Fitzsimmons 6 Chestnut Grove, Western Road Clonakilty, County Cork Ireland