The townland of Drumorgan is in the parish of Mullaghbrack in Armagh County. It is labelled number 21 on the map.
Paterson (Armachiana, Vol. 16) notes:
Drumorgan. "Morgan's ridge or long hill" (p.26)
Drum (Druim) [meaning 'ridge'] is one of the most common names and figures as a prefix to about 2,400 places besides an equal number in which it is combined. (p.21)
The Environment and Heritage Service Sites and Monuments Record (2002) notes the following in this townland:
Ecclesiastical site of uncertain period, certainly in existence in the Eighteenth and Nineteenth Centuries
SMR NO: ARM 013:030
Grid Ref: H94524592
Specific Type / of BIBLIOGRAPHY:
Condition: traces only
This graveyard was mentioned by Reeves in 1879 - he believed it to be not more than 150 years old, and had been used by the Moravians until the start of the Nineteenth Century. Only two graveslabs are still visible, 1 marked "Anne Collison 1742". The site is not of any antiquity.
PRONI records: T.514/22 (Rental.); D.943/2 (Graham estate.); OS/6/2/13/1 (Surveyed 1834-35. Engraved 1835.); OS/6/2/13/2 (Surveyed 1834-35. Revised 1860. Engraved 1863 (Stat file copy).); OS/6/2/13/3 (Surveyed 1834-35. Revised 1905-06. Published 1930.); OS/6/2/13/4 (Surveyed 1905-06. Revised 1954-55. Levelled 1888 and 1892 and 1902, 1905-1906. Levels part revised 1948. Published 1958. (2 copies).); VAL/1B/213 (1st valuation records.); VAL/12B/10/24A, VAL/12B/10/24B, VAL/12B/10/24C, VAL/12B/10/24D (Valuation annual revision list.); VAL/2B/2/12A (Griffith valuation list.).