| William Osmund Kelly | |
| Order: | 71st / 9th City Commission |
| Office: | Mayor of the City of Flint, Michigan |
| Term Start: | 1940 |
| Term End: | 1944 |
| Predecessor: | Oliver Tappin |
| Successor: | Edwin C. McLogan[1] |
| Office2: | City Commissioner of the City of Flint, Michigan |
| Birth Date: | December 10, 1909 |
| Birth Place: | Flint, Michigan |
| Death Date: | July 1974 (aged 64) |
| Spouse: | Albina Jayman |
| Branch: | Navy |
| Serviceyears: | 1944–1946 |
| Battles: | World War II |
William Osmund Kelly (December 10, 1909 – July 1974) was an American politician who served as mayor of Flint, Michigan.[1]
He also filled the position of President for Saint Matthew Men's Club, the Flint Bowling Association and the Michigan Chapter of the National Association of Postmasters.[2]
Kelly was born on December 10, 1909, in Flint. He graduated from Saint Matthew High School in 1928. He then attended Flint Junior College and formed a band, Oz Kelly and his Orchestra, while there. The band played in Cleveland, Ohio, Milwaukee and Flint at the IMA Auditorium. In 1933, he was married to Albina Jayman.[2]
The Flint City Commission selected him as Mayor on November 12, 1940, and select for another two years.[3] During World War II, Kelly resigned to join the Navy and served two years in the Pacific. In 1946, he was the Lieutenant Governor Democratic candidate but lost. Kelly was appointed in 1949 acting Postmaster—Flint then latter appointed 22nd Postmaster.[2]
In 1956, he became the Flint Manufacturer's Association Executive Director.[2]