Irwin Genealogy Notes, Co. Donegal,Ireland 1835-69 <https://www.cotyroneireland.com/surnames/irwin3.html> Irwin Genealogy Notes, Co. Fermanagh, Northern Ireland 1833-69 <https://www.cotyroneireland.com/surnames/irwin4.html> Irwin Genealogy Notes, Co. Londonderry, Northern Ireland 1842-69 <https://www.cotyroneireland.com/surnames/irwin5.html> Thanks again to Len Swindley for three more great additions to CTI! Jim McKane Kitchener, Ontario