a quick reaction
starting with
www.familysearch .com
Jhn Mahony - International Genealogical Index
Gender: Male Christening: Apr 1846 Roman Catholic, Dromtarriff, Cork, Ireland
John Mahony - International Genealogical Index
Gender: Male Christening: 22 Oct 1846 Enniskeane, , Cork, Ireland
John Mahony - International Genealogical Index
Gender: Male Christening: 02 Sep 1847 Roman Catholic, Inchigeelagh Parish, Cork, Ireland
John Mahony - International Genealogical Index
Gender: Male Christening: 05 Jun 1848 Roman Catholic, Boherbue, Cork, Ireland
John Mahony - International Genealogical Index
Gender: Male Christening: 01 Oct 1848 Fornaght,Donoughmore, , Cork, Ireland
Wild guesses useing
www.freebmd.org.uk/Marriages Jun 1881 MAHONEY John St.Giles London 1b 875 marries possibly Bridget
how do you know about Manchester?
Good luck, jim