I've been trying to keep a list of the various sources and where/how to access them...
1664-1684, 1706-8 (A-W), 1726-6 (A-W), 1728-9 (A-W), 1777 (A-L), 1813 (K-Z), 1834 (A-E)
Index to Irish Wills 1484-1849 reference = Prerogative Will Book
Original source = Prerogative Will Book.
Where to find = The index is searchable on the NAI website, but few of the actual wills seem to have been digitised:
http://census.nationalarchives.ie/search/dw/index.jsp1684-8, 1748-51, 1839 (Grants) and 1784-8 (Day Books)
Index to Irish Wills 1484-1849 reference = Prerogative Grant Book
Original source = Prerogative Administrations Grant and Day Books.
Where to find = The index is searchable on the NAI website, but none of the wills seem to be imaged:
http://census.nationalarchives.ie/search/dw/index.jspc1760s-1800s?
Index to Irish Wills 1484-1849 reference = T/9788a&b or T/8868 ??
Original Source = Alexander Bell & Son Presentations.
Where to find = Digitised online:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSNP-Z96D-G?mode=g&cat=35901800-1859
Index to Irish Wills 1484-1849 reference = Char.
Original source = Commissioners of Charitable Donations and Bequests for Ireland.
Description = Abstracts from wills in which a charitable bequest was made.
Where to find = NAI / LDS Family History Centre.
1800-1872
Index to Irish Wills 1484-1849 reference = Salved
Description = Salvaged prerogative and diocesan wills for Newry, Mourne, Armagh, Belfast, Derry etc?
Where to find = Digitised online:
https://www.familysearch.org/search/film/008095950?i=4&cat=35901812-1821
Index to Irish Wills 1484-1849 reference = ??
Original source = Derry & Raphoe Grant Book.
Where to find = ??
1818-1820
Index to Irish Wills 1484-1849 reference = Connor Will & Grant Book/1818-20
Original Source = PRONI T2501 (copy of ____ at NAI?)
Description = Copy of the Down and Connor Will Book which partially survived the 1922 fire – on average the wills are missing about half of the text.
Where to find = PRONI, and digitised online:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJ8-H96L-8?i=440&cat=2327511821-1857
Index to Irish Wills 1484-1849 reference = ??
Description = Copies of wills liable for Estate Duty were held in London until after 1922, when 1370 of them were transferred to PRONI (they’re indexed on the PRONI Name Search).
Where to find = PRONI … ref?? Microfilmed by LDS (see below link) but only available at Family History Centres. Most of these wills were also registered in the Prerogative Court of Canterbury and can be found on the NA (UK) website, or on Ancestry.
https://www.familysearch.org/search/catalog/597301?availability=Family%20History%20Library1828-1832
Index to Irish Wills 1484-1849 reference = IWR
Description = Irish Wills Register
https://www.familysearch.org/search/catalog/234657?availability=Family%20History%20LibraryExtracts of wills with details of legacies and beneficiaries.
1828-1839
Index to Irish Wills 1484-1849 reference = IAR
Original Source = Irish Administration Register
Where to find = Digitised online:
https://www.familysearch.org/search/catalog/232755?availability=Family%20History%20Library1833-1839
Index to Irish Wills 1484-1849 reference = IWR
Original Source = Irish Wills Register.
Description = Extracts of wills with details of legacies and beneficiaries.
Where to find = Digitised online:
https://www.familysearch.org/search/catalog/234514?availability=Family%20History%20Library1840-1845
Index to Irish Wills 1484-1849 reference = Not indexed??
Original source = Cashel Probate & Administrations & Marriage Licences.
Where to find = Digitised online:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSM7-D3QW-T?i=502&cat=35901848-1858
Index to Irish Wills 1484-1849 reference = ??
Original source = Ossory Grant Book.
Where to find = ??
1850-1858
Index to Irish Wills 1484-1849 reference = Down and Connor Will & Grant Book
Original Source = Down Will Book.
Where to find = Digitised online:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJ8-M356?mode=g&i=5&cat=2327511853-1858
Index to Irish Wills 1484-1849 reference = Down and Connor Will & Grant Book
Original Source = Connor registry of probates and administrations.
Where to find = Digitised online:
https://www.familysearch.org/ark:/61903/3:1:3Q9M-CSJ8-MQQ8?i=222&cat=232751