Richard Gardiner was leasing lands from Lord Lorton's estate at Carrowkeel, barony of Tirerrill at the time of Griffith's Valuation. In the 1870s John Gardiner owned over 80 acres in county Sligo.
Contemporary printed sources
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Boyle Union, 75.
- PARLIAMENTARY PAPERS. ''Return of names of proprietors and area and valuation of properties in counties in Ireland, held in fee or perpetuity or long leases at chief rents,'' 1876. (412) LXXX. 395: 169.