| Ferguson | James | IL | Gallatin; No Twp Listed | 1820 |
| Ferguson | Nelson | IL | Jefferson; Caseys Prairie Twp | 1820 |
| Ferguson | Alston | IL | Madison; Fork Prairie | 1820 |
| Ferguson | John | IL | Madison; Fork Prairie | 1820 |
| Ferguson | Joseph | IL | Madison; Fork Prairie | 1820 |
| Frguson?? | Alston | IL | Madison; Fork Prairie | 1820 |
| Ferguson | Thomas | IL | Madison; Piasa | 1820 |
| Ferguson | Isaac | IL | Madison; Silver Crcek | 1820 |
| Ferguson | S | IL | Pope; Monroe Twp | 1820 |
| Ferguson | Danl | IL | Randolph; Kaskaskia Twp | 1820 |
| Ferguson | Andreus | IL | St Clair; Ogle Twp | 1820 |
| Forgison | John | IL | White; North Of West Twp | 1820 |