You should be able to find this marriage in the civil registration records on
www.familysearch.orgOther background searches could include the
Griffith Valuation:
www.askaboutireland.ie (match the names to parish's)
www.census.nationalarchives.ie 1901/1911
Directories:
www.failteromhat.com has 1824 and 1846 directories and an easier form of Griffith Valuation
to match names and parish's, then go to
www.askaboutireland.ie for more detail.
www.censusfinder.com United Kingdom+Ireland+county
www.igp-web.com + County (different information depending on the county)
Annette Code