Re Edward Cuddy born c1851, these are my findings so far:
  
  
  Church Baptism Cudd Edward John  Co. Down 
 Church Baptism Quidihy Edward 1800 Co. Kilkenny 
 Church Baptism Cuddihy Edward 1822 Co. Kilkenny 
 Church Baptism Cuddihy Edward 1830 Co. Kilkenny 
 Church Baptism Cudy Edward 1832 Co. Kilkenny 
 Church Baptism Cuddy Edward 1841 Co. Westmeath 
 Church Baptism Cuddihy Edward 1852 Co. Kilkenny 
 Church Baptism Cuddihy Edward 1858 Co. Kilkenny 
 Church Baptism Cuddihy Edward 1863 Co. Kilkenny 
 Church Baptism Cuddihy Edward 1872 Co. Kilkenny 
  
 Marriages:
  
 Marriage Cuddihy Edward 1819 Co. Kilkenny 
 Marriage Cuddihy Edward 1820 Co. Kilkenny 
 Marriage Cuddihy Edward 1841 Co. Tipperary 
 Marriage Cuddy Edward 1843 Co. Westmeath 
 Marriage Cuddy Edward 1881 Co. Roscommon 
  
 Again, no matching marriages with Julia O'Reilly.
  
 Marian
 Manager