Richard Barrett held land in the parishes of Doneraile and Mallow, barony of Fermoy, county Cork. In the 1870s Richard Barrett of Mallow owned 260 acres.
- Pedigree of Barrett family of county Cork (Leader Collection); Irish Genealogical Research Society Library
Contemporary printed sources
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Fermoy Barony, 131 (Curraghanearla)
- PARLIAMENTARY PAPERS. ''Return of owners of land of one acre and upwards, in the several counties .... in Ireland''. HC 1876, LXXX: 116