In Circuit Court, Harrison v. Hart et al. is submitted to Judge William Thomas of First Judicial District, by agreement. Logan and Baker represent complainant, Lincoln and Campbell defendants. In Spear et al. v. Newton & Newton, court orders auditor to pay complainant, Lincoln's client, $820.39 and defendant $350.Record.

No roll calls are taken, so it is not known if Lincoln attends legislature, where he is appointed to special committee with Gillespie and Bissell to negotiate loan from state bank to pay interest due January 1, 1841.Quincy Whig, 19 December 1840.