| Name | Cemetery | County | Updated |
| MCMAHON, John K | Calverton National Cemetery | Suffolk | 2015-12-30 05:15:22 |
| MCMAHON, Joseph | Saint Isidores Roman (Riverhead) Cemetery | Suffolk | 2015-11-29 05:16:41 |
| MCMAHON, Kathleen E | Saint James Catholic (Setauket) Cemetery | Suffolk | 2016-09-11 05:16:07 |
| MCMAHON, Lawrence M | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2021-10-30 06:15:12 |
| MCMAHON, Lawrence Mathew | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2021-11-01 06:15:46 |
| MCMAHON, Lawrence Moylan | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2021-10-22 06:15:19 |
| MCMAHON, Muriel | Sacred Hearts of Jesus and Mary (Southampton) Cemetery | Suffolk | 2021-10-22 06:15:19 |
| MCMAHON, Rose | Saint Isidores Roman (Riverhead) Cemetery | Suffolk | 2015-11-29 05:16:41 |