1859 Chicago mayoral election

Chicago mayoral election, 1859
March 1, 1859
 
Candidate John Charles Haines Marcus D. Gilman
Party Republican Democratic
Popular vote 8,587 7,728
Percentage 52.63% 47.37%

Mayor before election

John Charles Haines
Republican

Elected mayor

John Charles Haines
Republican

In the 1859 Chicago mayoral election, incumbent Republican John Charles Haines defeated Democratic challenger Marcus D. Gilman.

The election was held on March 1.