Samuel Scott Marshall (March 12, 1821 – July 26, 1890) was an American politician and attorney who served a total of seven terms as a U.S. representative from Illinois.

During the 40th Congress, Marshall served on the House Committee on the Judiciary, which was conducting the first impeachment inquiry against President Andrew Johnson.

[2] On December 7, 1867, Marshall was joined by 108 other congressmen (including 66 members of the Republican Party in a full House vote which defeated the resolution put forward to impeach Johnson by 57–108.

However, Marshall requested to be excused from this role, and he, along with the rest of the Democrats, ultimately abstained from voting on impeachment managers.

[citation needed] This article incorporates public domain material from the Biographical Directory of the United States Congress