David Davis, American jurist and politician (died 1886)

David Davis was an American politician and jurist who was a U.S. senator from Illinois and associate justice of the United States Supreme Court. He also served as Abraham Lincoln's campaign manager at the 1860 Republican National Convention, engineering Lincoln's successful nomination for president by that party.

March 9 is the 68th day of the year in the Gregorian calendar; 297 days remain until the end of the year.