| Case Name | Citation | Year ▲ | Distance from slave case(s) | Law Type | Jurisdiction |
|---|---|---|---|---|---|
| State v. Stalcup | 23 N.C. 30 | 1840 | 1 | North Carolina | |
| Segar v. Edwards | 38 Va. 213 | 1840 | 1 | Virginia | |
| Jenkins v. Cockerham | 23 N.C. 309 | 1840 | 1 | North Carolina | |
| Jarnagin v. Conway | 21 Tenn. 50 | 1840 | 0 | Tennessee | |
| Sewall v. Glidden | 1 Ala. 52 | 1840 | 0 | Alabama | |
| Baldwin v. Marshall | 21 Tenn. 116 | 1840 | 0 | Tennessee | |
| Prather v. Prather | 11 G. & J. 110 | 1840 | 0 | Maryland | |
| Coleman v. Pinkard | 21 Tenn. 185 | 1840 | 0 | Tennessee | |
| John v. State | 1 Ala. 95 | 1840 | 0 | Alabama | |
| Bonner v. Latham | 23 N.C. 271 | 1840 | 0 | North Carolina | |
| M'Donough v. Childress | 15 La. 556 | 1840 | 0 | Louisiana | |
| Underwood's Case | 21 Tenn. 46 | 1840 | 0 | Tennessee | |
| Proctor v. Ferebee | 36 N.C. 143 | 1840 | 1 | North Carolina | |
| McAlister v. Gilmore | 36 N.C. 22 | 1840 | 0 | North Carolina | |
| United States v. The Catharine | 25 F. Cas. 332 | 1840 | 0 | Criminal | Circuit Court, D. New York |
| Smithwick v. Biggs | 23 N.C. 281 | 1840 | 0 | North Carolina | |
| Lee v. Parker | 5 Whart. 342 | 1840 | 1 | Pennsylvania | |
| Moore v. Lyons | 25 Wend. 118 | 1840 | 1 | New York | |
| Berrien v. McLane | 1 Hoff. Ch. 421 | 1840 | 1 | New York | |
| Wright v. Steamboat Vesta | 6 Miss. 152 | 1840 | 1 | Mississippi |