Conyngham McAlpine was the proprietor of over 700 acres in county Sligo in the 1870s. At the time of Griffith's Valuation Robert McAlpine was the lessor of lands at Doobeg, barony of Corran. . Over 740 acres of the lands at Doobeg were offered for sale in the Landed Estates Court by Conyngham Martyn McAlpine in July 1877. McTernan notes that the Doobeg property had been purchased by the McAlpines in 1835, it had previously been owned by the McDonagh family.
- Landed Estates' Court Rentals (O'Brien), McAlpine, 5 July 1877, Vol 129, MRGS 39/058, (microfilm copy in NUIG); National Archives of Ireland
Contemporary printed sources
- 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: 167
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Tobercurry Union, 14.