| Office: | Secretary of State of Mississippi |
| Order: | 29th |
| Governor: | Andrew H. Longino James K. Vardaman Edmond Noel Earl L. Brewer Theodore G. Bilbo Lee M. Russell Henry L. Whitfield |
| Birth Date: | 2 March 1867 |
| Birth Place: | Jackson, Mississippi |
| Termstart: | September 24, 1901 |
| Termend: | April 5, 1926 |
| Parents: | John Logan Power (father) |
| Predecessor: | John Logan Power |
| Party: | Democrat |
| Successor: | Walker Wood |
| Death Place: | Jackson, Mississippi |
| Spouse: | Eva Truly m. 1896-1926, his death |
| Children: | 3 |
Joseph Withers Power (March 2, 1867 - April 5, 1926) was a Mississippi politician and the Secretary of State of Mississippi from 1901 to 1926.
Joseph Withers Power was born on March 2, 1867, in Jackson, Mississippi.[1] [2] [3] He was the son of Irish emigrant John Logan Power, who became the Mississippi Secretary of State from 1893 to 1901, and his wife, Elizabeth (Wilkinson) Power.[4] J. W. Power attended public schools in Jackson. Then, he attended Southwestern Presbyterian University in Clarksville, Tennessee. After leaving school, he assisted his father in the publishing business and became a bookkeeper.
When Joseph's father, John Logan Power, was the Secretary of State of Mississippi, he was an assistant in the office of the Secretary of State of Mississippi. After his father's death on September 23, 1901, Mississippi governor A. H. Longino appointed him Secretary of State of Mississippi. He was re-elected in 1903, 1907, and 1911. In 1923, he defeated Walker Wood in the primary election for the Democratic nomination to the office.[5]
While still the Secretary of State of Mississippi, Power died suddenly in Jackson on April 5, 1926.[6] Walker Wood was appointed to the office finish the unfinished term.
Power was a Democrat, member of the Episcopal Church, Freemason, Odd Fellow, and a Knight of Pythias. In 1896, Power married Eva Truly (- 1947); her brother Jeff became an Associate Justice of the Supreme Court of Mississippi.[7] The Powers had three children: Dorothy, Mary, and Josephine Jeffrey "Jo Jeff".