There's a slightly different reference in PRONI's e-catalogue (my reference predates the e-catalogue)-
First Previous [2 - 3] Next Last
Repository : Public Record Office for Northern Ireland
PRONI Reference : D668/R/146/2
Level : Item
Access : Open
Title : Copy of will of Thomas Hogg. Beneficiaries
Dates : 28 July 1834
Description : Copy of will of Thomas Hogg. Beneficiaries: wife, Molly; sons, Thomas, Alexander, John; daughters, Jane, Mary. Executors: Cornelieus Foy and Alexander Foy. Mentions lands in Caheny.
Other Hogg documents in various sections of D668