John W. Donnellan
John W. Donnellan  | |
|---|---|
| 1st Treasurer of the Wyoming Territory | |
| In office December 21, 1869 – October 26, 1872  | |
| Succeeded by | Stephen W. Downey | 
| Personal details | |
| Born | June 8, 1841 County Clare, United Kingdom of Great Britain and Ireland  | 
| Died | July 26, 1917 (aged 76) Sacramento, California, U.S.  | 
| Resting place | Sacramento Historic City Cemetery | 
| Political party | Democratic | 
| Spouse | Marion J. McNasser | 
| Children | 3 | 
| Military service | |
| Allegiance | United States of America | 
| Branch/service | Union Army | 
| Years of service | 1861-1865 | 
| Rank | Lieutenant colonel | 
| Unit | 83rd Ohio Infantry 27th Colored Infantry Regiment  | 
| Battles/wars | American Civil War | 
John W. Donnellan (June 8, 1841 – July 26, 1917) was an American politician who served as the 1st Treasurer of the Wyoming Territory as a Democrat.