Hi Kevin,
Sydney City Assessment Books....
1851 Cooper Street John McGillicuddy (Owner or Landlord of Property) Isaac Levy
1852 Cooper Street John McGillicuddy (Owner or Landlord of Property) Isaac Levy House
1858 off 1 Castlereagh Street John McGillicuddy (Owner or Landlord of Property) Thomas Weedon House
1861 12 Lane off James Street John McGillicuddy (Owner or Landlord of Property) Samuel Sims House
http://trove.nla.gov.au/ndp/del/article/13340915?searchTerm=..." "a mad cow"&searchLimits=l-state=New+South+Wales|||l-decade=187|||l-title=35
Sydney Morning Herald, 15 Dec 1874.
Page 7
Column 2
Death, maybe, your man, on 09 June 1879??
http://www.australiancemeteries.com/nsw/parramatta/stpatrick...ID 1824, McGILLYCUDD John Age: 64y, 10 June 1879 Erysipelas Hospital.
NSW Death Registration:
8065/1879 MACKILLCUDDY JOHN AGE 64 YEARS DIED PARRAMATTA PARRAMATTA
Mary