Keys Genealogy Notes, Co. Donegal, Ireland 1824-67 <https://www.cotyroneireland.com/surnames/keys2.html> Keys Genealogy Notes, Co. Londonderry, Northern Ireland 1838-69 <https://www.cotyroneireland.com/surnames/keys3.html> Thanks again to Len Swindley for two more great additions to CTI! Jim McKane Kitchener, Ontario