In 1858 the state took over responsibility for testamentary matters. From 1858-99 transcripts of original wills are available at the Public Record Office of Northern Ireland for the district registries of Armagh, Belfast and Londonderry.
From 1900 onwards original wills for Northern Ireland can be read at the Public Record Office of Northern Ireland.
This database provides an index to wills and grants of administration relating to Doagh and district from 1858 to 1943. Further details can be found on the website of the Public Record Office of Northern Ireland.