I have some information re Dublin, as I don't have dates I am sending you all I got as you may be able to sort out.
Data Searched: Baptism Register
| Date Of Birth | Date of Baptism | Surname | Firstname | Parish |
| 12-04-1842 | 12-04-1842 | Fitzgerald | William | Rathfarnham R.c |
| 21-05-1852 | 21-05-1852 | Fitzgerald | William | St Andrews |
| | 13-10-1842 | Fitzgerald | William | St Mary's R.c. |
Data Searched: Marriages Register
| Husband Surname | Husband Firstname | Wife Surname | Wife Firstname | Date of Marriage | Parish |
| Fitzgerald | William | Dunn | Ann | 06-05-1790 | Ss Michael And John |
| Fitzgerald | William | Murphy | Mary | 10-03-1849 | St. Mary's |
Data Searched: Baptism Register
| Date Of Birth | Date of Baptism | Surname | Firstname | Parish |
| 01-10-1881 | 09-10-1881 | Fitzgerald | Catherine | Clondalkin R.c. |
| 10-07-1865 | 16-07-1865 | Fitzgerald | Catherine | Clondalkin R.c. |
| | 08-02-1824 | Fitzgerald | Catherine | Lucan R.c. |
| 23-01-1857 | 23-01-1857 | Fitzgerald | Catherine | St Andrews |
| 13-08-1849 | 13-08-1849 | Fitzgerald | Catherine | St Andrews |
| 15-02-1850 | 15-02-1850 | Fitzgerald | Catherine | St Andrews |
| | 19-07-1835 | Fitzgerald | Catherine | St Mary's R.c. |