| Name | Cemetery | County | Updated |
| BRENNAN, Catherine M | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2019-12-27 06:15:46 |
| BRENNAN, Dennis F | Saint John the Evangelist Roman (Riverhead) Cemetery | Suffolk | 2015-11-27 05:15:43 |
| BRENNAN, Edward J | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-21 05:16:25 |
| BRENNAN, Ellen | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-07 05:15:09 |
| BRENNAN, Francis A | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2019-12-27 06:15:46 |
| BRENNAN, James | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-07 05:15:09 |
| BRENNAN, Katherine | Oakland Cemetery | Suffolk | 2018-04-15 00:15:06 |
| BRENNAN, Margaret | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-21 05:16:26 |
| BRENNAN, Michael | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-07 05:15:09 |
| BRENNAN, Paige Anna | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2021-11-18 06:15:27 |
| BRENNAN, Patricia | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-21 05:16:26 |
| BRENNAN, Rose | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-07 05:15:10 |
| BRENNAN, Thomas | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-21 05:16:26 |
| BRENNAN, Thomas W | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-12-21 05:16:27 |