A death certificate on the following may be obtained from Registrar General's Office; 8/11 Lombard Street, Dublin 2. The death certificates contain date and place of death, sex, marital status, occupation, certified cause of death and duration of illness, and signature, qualification and residence of informant.
Some Brennan Deaths from Civil Registration of Ireland
| Name | Yr | Age | County | vol | page |
|---|---|---|---|---|---|
| BRENNAN, Bridget | 1864 | 57 |
Roscommon | 3 |
316 |
| BRENNAN, Bridget | 1864 | 70 |
Roscommon | 3 |
316 |
| BRENNAN, Margaret | 1864 | 64 |
Roscommon | 8 |
249 |
| BRENNAN, Bridget | 1865 | 50 |
Roscommon | 3 |
313 |
| BRENNAN, Catherine | 1865 | 60 |
Roscommon | 8 |
265 |
| BRENNAN, Ellen | 1865 | unknown | Roscommon | 8 |
265 |
| BRENNAN, John | 1865 | 45 |
Roscommon | 3 |
300 |
| BRENNAN, John | 1865 | 62 |
Roscommon | 18 |
226 |
| BRENNAN, Luke | 1865 | 4 |
Roscommon | 8 |
272 |
| BRENNAN, Michael | 1865 | 70 |
Roscommon | 3 |
316 |
| BRENNAN, Patrick | 1865 | 33 |
Roscommon | 18 |
227 |
| BRENNAN, Daniel | 1866 | 60 | Roscommon | 18 | 229 |
| BRENNAN, James | 1866 | 1 | Roscommon | 3 | 301 |
| BRENNAN, John | 1866 | 35 | Roscommon | 3 | 308 |
| BRENNAN, Mary | 1866 | 60 | Roscommon | 3 | 301 |
| BRENNAN, William | 1866 | 78 | Roscommon | 8 | 276 |
| BRENNAN, John | 1867 | 37 | Roscommon | 18 | 238 |
| BRENNAN, Luke | 1867 | 1 | Roscommon | 18 | 239 |
| BRENNAN, Margaret | 1867 | 83 | Roscommon | 3 | 353 |
| BRENNAN, Mary | 1867 | 32 | Roscommon | 8 | 271 |
| BRENNAN, Mary | 1867 | 70 | Roscommon | 3 | 354 |
| BRENNAN, Patrick | 1867 | unknown | Roscommon | 3 | 352 |
| BRENNAN, Peggy | 1867 | 76 | Roscommon | 8 | 279 |
| BRENNAN, Thomas | 1867 | 67 | Roscommon | 8 | 278 |