The townland of Killyfaddy is in the parish of Lisnadill in Armagh County. It is labelled number 26 on the map.
The 1826 Schools Commission report describes the school in the townland:
"Killyfady - A pay school under the care of James Mawhinny, of the Seceder denomination, who was in receipt of 2-3d per week. The school was conducted in a cabin, providing education for 16 scholars."
The Environment and Heritage Service Sites and Monuments Record (2002) notes the following in this townland:
Ecclesiastical site of uncertain period.
SMR NO: ARM 016:073
Irish Grid Reference: H879396
Sitename: KILLEFAD, GRAVEYARD FIELD, KILLAFADDY, GRAVEYARD HILL
Not precisely located.
PATERSON, T. G. F. NOTES, Vol. 135
PRONI records: VAL/1B/211 (1st Valuation Records); OS/6/2/16/1 (Surveyed 1834-35. Engraved 1835.); OS/6/2/16/2 (Surveyed 1834-35. Engraved 1835. Revised 1860. Engraved 1862.); OS/6/2/16/3 (Surveyed 1834-35. Revised 1906. Levelled 1888-89 and 1906. Published 1908. Reprint 1952, 1954.); OS/6/2/16/4 (Surveyed 1834-35. Revised 1906. Levelled 1888-89 and 1906. Published 1908. Reprint 1929.); OS/6/2/16/5 (Surveyed 1834-35. Revised 1906. Levelled 1888-89 and 1906. Published 1908. Reprint 1952, 1954 with Mss. markings in red and stamped ref. 2568.); OS/6/2/16/6 (Surveyed 1906. Revised 1955. Levelled 1906. Published 1958. (2 copies).); VAL/12B/10/32A, VAL/12B/10/32B, VAL/12B/10/32C, VAL/12B/10/32D, VAL/12B/10/32E (Valuation annual revision list.); VAL/2B/2/10A (Griffith valuation list.); D.889/6/3 (Landed estates rental.6 July 1869).