| Name | Cemetery | County | Updated |
| PIERSON, Beatrice E | Eastport Cemetery | Suffolk | 2015-11-29 13:16:28 |
| PIERSON, Bertram | Oakwood (East Quogue) Cemetery | Suffolk | 2015-11-29 13:16:27 |
| PIERSON, Elisabeth | Old Bridgehampton Cemetery | Suffolk | 2015-11-29 13:16:28 |
| PIERSON, Florence | Quogue Cemetery Cemetery | Suffolk | 2015-11-29 13:16:29 |
| PIERSON, Fred R | Eastport Cemetery | Suffolk | 2015-11-29 13:16:28 |
| PIERSON, Harriet | Old Bridgehampton Cemetery | Suffolk | 2020-04-30 06:15:38 |
| PIERSON, Harriet E | Old Bridgehampton Cemetery | Suffolk | 2020-04-30 06:15:38 |
| PIERSON, Harriette | Southampton Cemetery | Suffolk | 2016-07-25 05:16:02 |
| PIERSON, Robert H., Sr | Long Island National Cemetery | Suffolk | 2015-11-29 13:16:29 |
| PIERSON, Samuel B | Old Bridgehampton Cemetery | Suffolk | 2015-11-29 13:16:29 |
| PIERSON, Sophia J | Oakland Cemetery | Suffolk | 2017-06-08 05:15:25 |