Mourning Warbler has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Matt Schenck | Norman Bird Sanctuary | Middletown | Newport | 30-May-2019 |
| Don Heitzmann | Cumberland Monastery | Cumberland | Providence | 29-May-2019 |
| Jan St.Jean | Cumberland Monestary | Cumberland | Providence | 29-May-2019 |
| Dominick Pacelli | Cumberland Monastery | Cumberland | Providence | 28-May-2019 |
| Carlos Pedro | Monastary | Cumberland | Providence | 28-May-2019 |