| Jonathan B. Moore | |
| Office: | Sheriff of Grant County, Wisconsin |
| Term Start: | January 7, 1861 |
| Term End: | January 5, 1863 |
| Predecessor: | William H. Foster |
| Successor: | N. Goodenough |
| State1: | Wisconsin |
| State Assembly1: | Wisconsin |
| District1: | Grant 3rd |
| Term Start1: | January 2, 1860 |
| Term End1: | January 7, 1861 |
| Predecessor1: | Jesse Waldorf |
| Successor1: | Hanmer Robbins |
| Party: | Republican |
| Birth Date: | 16 March 1825 |
| Birth Place: | Posey County, Indiana, U.S. |
| Death Place: | Wauwatosa, Wisconsin, U.S. |
| Restingplace: | Hillside Cemetery, |
| Spouse: | Christiana Wiley (died 1898) |
| Allegiance: | United States |
| Branch: | United States Volunteers Union Army |
| Serviceyears: | 1862 - 1865 |
| Commands: | 33rd Reg. Wis. Vol. Infantry |
| Battles: | American Civil War |
Jonathan Baker Moore (March 16, 1825February 8, 1889) was an American businessman, politician, and Wisconsin pioneer. He served one term in the Wisconsin State Assembly, representing Grant County, and was a Union Army officer during the American Civil War.
Moore was born on March 16, 1825, in Posey County, Indiana. In 1837, he and his family moved to Muscoda, Wisconsin.[1] Moore died of a stroke on February 8, 1889, in Wauwatosa, Wisconsin, and is buried in Lancaster, Wisconsin. His entire estate was left to his wife, Christiana.
Moore was Constable of Platteville, Wisconsin, from 1849 to 1852 and Clerk of Platteville in 1853. He was elected to the Wisconsin State Assembly in 1860 as a Republican[2] and as Sheriff of Grant County, Wisconsin, in 1861.
During the Civil War, Moore was appointed colonel of the Union Army's 33rd Wisconsin Infantry Regiment on October 18, 1862.[3] He and the regiment later took part in the Red River Campaign, the Vicksburg Campaign, the Battle of Tupelo, the Battle of Atlanta, the Battle of Nashville, and the Battle of Spanish Fort. Moore was mustered out of the volunteers on August 9, 1865.[3] On February 18, 1865, President Abraham Lincoln nominated Moore for appointment to the grade of brevet brigadier general of volunteers to rank from that date, and the United States Senate confirmed the appointment on March 3, 1865.[4] On January 13, 1866, President Andrew Johnson nominated Moore for appointment to the grade of brevet brigadier general of volunteers to rank from March 26, 1865, and the United States Senate confirmed the appointment on March 12, 1866.[4] [5]
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