Philadelphia Vireo has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Paul L'Etoile | Tri-pond Park | South Kingstown | Washington | 02-Oct-2013 |
| Carlos Pedro | TRUSTOM | South Kingstown | Washington | 14-Sep-2013 |
| Kellen Rosburg | Trustom Pond | Charlestown | Washington | 14-Sep-2013 |
| Wayne Munns | Trustom NWR | South Kingstown | Washington | 14-Sep-2013 |
| Jan St.Jean | Trustom Pond NWR | South Kingstown | Washington | 10-Sep-2013 |
| John Magill | Trustom Pond NWR | South Kingstown | Washington | 05-Sep-2013 |