Possibly the swiftest route to your roots.
Irish genealogy website directory.
home.alphalink.com.au/~datatree/datree1.htm
Description:
There are one hundred and sixty-two boxes containing what are called Official Papers Miscellaneous Assorted (OPMA for short) files in the National Archives, Bishop St, Dublin. These OPMA boxes have some items of great genealogical interest. These schedules are lists of the names of the people who did not pay their tithes for the year 1831.
