This Scottish family were located in Banffshire. In 1886 their seats were recorded as Forglen House and Fermoy, Ireland. Sir Robert Abercromby 5th Baronet purchased much of the town of Fermoy after the death of John Anderson in 1820 and in Griffith's Valuation he is recorded as the immediate lessor of much of Fermoy. His grandson Sir Robert John Abercromby of Forglen, Aberdeenshire owned 434 acres in county Cork in the 1870s.
- Papers of Abercromby of Forglen and Birkenbog, Scotland, include rentals of lands of Fermoy in 20th century, 1323-1963. GB234/GD185; National Archives of Scotland
- Estate Papers of the Abercromby family of Forglen, Fordice, Birkenbog, Kirkcudbrighshire & Fermoy, including correspondence, receipts, legal documents, etc., 1624-1938. NN58; Aberdeenshire Heritage, Museums, Aberdeenshire Council
Contemporary printed sources
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Condons & Clangibbon Barony, 50 (Carrignagroghera)
- PARLIAMENTARY PAPERS. ''Return of owners of land of one acre and upwards, in the several counties .... in Ireland''. HC 1876, LXXX: 116