The estate of John Fitzgerald amounted to over 800 acres in the 1870s. His estate was one of the principal lessors in the parish of Dromod, barony of Iveragh, at the time of Griffith's Valuation.
Contemporary printed sources
- PARLIAMENTARY PAPERS. ''Return of owners of land of one acre and upwards, in the several counties .... in Ireland''. HC 1876, LXXX: 142
- HUSSEY DE BURGH, U. H. ''The Landowners of Ireland. An alphabetical list of the owners of estates of 500 acres or £500 valuation and upwards in Ireland''. Dublin: Hodges, Foster and Figgis, 1878. [available online at www.askaboutireland.ie] : 160
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Iveragh Barony: 48 (Kineigh)
- SLATER, Isaac. ''Royal National Directory of Ireland: List of the principal seats''. (Manchester: 1894) : xxviii &190 (Kenneigh House)