| 1840 FERGUSON Index | ||||
| Last | First | Census | Location | Census |
| Name | Name | State | (County; Town) | Year |
| Forgerson | Nathan | NJ | Atlantic; Egg Harbor | 1840 |
| Ferguson | Atkinson P | NJ | Bergen; New Barbadoes | 1840 |
| Forgesson | Charles | NJ | Burlington; no twp listed | 1840 |
| Furgusson | Gideon | NJ | Burlington; no twp listed | 1840 |
| Ferguson | Thomas | NJ | Cape May; Millville | 1840 |
| Ferguson | Franklin | NJ | Gloucester; Camden | 1840 |
| Fergusen | John | NJ | Hudson; Blue Mountain | 1840 |
| Fergeson | Mary G | NJ | Mercer; Princeton | 1840 |
| Fergeson | Mary G | NJ | Mercer; Princeton | 1840 |
| Furguson | Wm | NJ | Middlesex; Perth Amboy | 1840 |
| Ferguson | Augustus | NJ | Passaic; Paterson | 1840 |
| Furguson | William | NJ | Salem; Upper Alloways Creek | 1840 |
| Ferguson | James | NJ | Somerset; New Brunswick | 1840 |
| Forgerson | Levi | NJ | Sussex; Vernon | 1840 |
| Forgerson | Robert | NJ | Sussex; Vernon | 1840 |
| Forgerson | Ann | NJ | Sussex; Wantage | 1840 |
| Forgerson | James | NJ | Sussex; Wantage | 1840 |
| Forgerson | William | NJ | Sussex; Wantage | 1840 |
| Ferguson | Hugh | NJ | Warren; Greenwich | 1840 |