20th Cavalry
181st Pennsylvania Volunteers
Company M
Six Months Service

into Service |
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| Wm. W. Wallace | Captain | August 24, 1863 | Mustered out with company, October 3, 1863 |
| Thos. S. Whitaker | 1st Lt | July 26, 1863 | Mustered out with company, October 3, 1863 |
| Sam’l P. Wishart | 2d Lt | July 26, 1863 | Mustered out with company, October 3, 1863 |
| Wilber F. Sharrer | 1st Sergeant | July 26, 1863 | Promoted from Private, July 29, 1863; mustered out with company, October 3, 1863 |
| Joseph L. Tacker | Sergeant | August 5, 1863 | Promoted from Private, August 6, 1863; mustered out with company, October 3, 1863 |
| Alexander Skipper | Sergeant | July 28, 1863 | Promoted from Private, July 29, 1863; mustered out with company, October 3, 1863 |
| Robert C. Morrow | Sergeant | July 25, 1863 | Promoted from Private, July 26, 1863; mustered out with company, October 3, 1863 |
| Henry P. Decker | Sergeant | July 25, 1863 | Mustered out with company, October 3, 1863 |
| James G. Kendall | Sergeant | July 25, 1863 | Promoted from Private, July 26, 1863; mustered out with company, October 3, 1863 |
| David C. Snyder | Sergeant | July 25, 1863 | Promoted from Private, July 26, 1863; mustered out with Company, October 3, 1863 |
| Charles H. Suder | Sergeant | July 28, 1863 | Promoted from Private, July 29, 1863; mustered out with Company, October 3, 1863 |
| Chas. H. Wolverton | Corporal | July 25, 1863 | Promoted to Corporal, July 26, 1863; mustered out with Company, October 3, 1863 |
| David H. Parker | Corporal | July 25, 1863 | Promoted to Corporal, July 26, 1863; absent, sick, at muster out |
| Hugh H. Smith | Corporal | August 3, 1863 | Promoted to Corporal, August 4, 1863; mustered out with Company, October 3, 1863. |
| Joseph Moore | Corporal | August 5, 1863 | Promoted to Corporal, August 6, 1863; mustered out with Company, October 3, 1863. |
| Amos Gardner | Corporal | August 7, 1863 | Promoted to Corporal, August 8, 1863; mustered out with Company, October 3, 1863. |
| Augustus Welsh | Corporal | August 7, 1863 | Promoted to Corporal, August 8, 1863; mustered out with Company, October 3, 1863. |
| David M. Kendall | Corporal | July 25, 1863 | Promoted to Corporal, July 26, 1863; mustered out with Company, October 3, 1863. |
| Thomas Barto | Corporal | July 25, 1863 | Promoted to Corporal, July 26, 1863; mustered out with Company, October 3, 1863. |
| James P. Nelson | Blacksmith | July 25, 1863 | Mustered out with company, October 3, 1863 |
| James Rummell | Farrier | July 25, 1863 | Mustered out with company, October 3, 1863 |
| John H. Friday | Saddler | July 26, 1863 | Mustered out with company, October 3, 1863 |
| Bailey, Joseph | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| Barr, William H. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| Bidlack, Evan | Private | August 9, 1863 | Mustered out with company, October 3, 1863 |
| Bowman, John W. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Buckley, Henry W. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| Correll, Elliott | Private | July 25 1863 | Mustered out with company, October 3, 1863 |
| Casner, Thomas | Private | August 5, 1863 | Absent, sick, at muster out |
| Clebinger, Adam | Private | July 25 1863 | Mustered out with company, October 3, 1863 |
| Corbin, Benj. F. | Private | July 25 1863 | Transferred to Company C, 117th regiment P. V., Sept. 11. 1863 |
| Dishong, Solomon B. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Dewalt, John A. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Engard, Samuel | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| Funk, John | Private | August 5, 1863 | Mustered out with company, October 3, 1863 |
| French, Miller | Private | July 25, 1863 | Deserted August 15, 1862 |
| Gaskins, James F. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| Hawn, Joseph | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Houp, Henry H. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Hunter, John | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Hood, George L. | Private | August 1, 1863 | Mustered out with company, October 3, 1863 |
| Hope, George W. | Private | August 8, 1863 | Mustered out with company, October 3, 1863 |
| Kline, Charles S. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| King, Emanuel E. | Private | August 8, 1863 | Mustered out with company, October 3, 1863 |
| Kephart, David A. | Private | July 28, 1863 | Mustered out with company, October 3, 1863 |
| Kirk, Moses | Private | August 1, 1863 | Mustered out with company, October 3, 1863 |
| Kelso, John | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Livingston, Jacob | Private | August 7, 1863 | Absent, sick, at muster out |
| Laing, Abraham | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Markley, Harrison | Private | July 28, 1863 | Mustered out with company, October 3, 1863 |
| Martin, John G. W. | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Manear, Edward J. | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Morgan, Zachary T. | Private | July 25, 1863 | Deserted August 10, 1863; returned Sept. 18, 1863; mustered out with company, October 3, 1863 |
| Mellott, Hiram B. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Mellott, Samuel H. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Miller, David M. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Middleton, John | Private | August 4, 1863 | Mustered out with company, October 3, 1863 |
| Mitchell, Win. L. | Private | August 4, 1863 | Mustered out with company, October 3, 1863 |
| Miller, Joseph | Private | August 7, 1863 | Deserted August 24, 1863 |
| M’Cullough, Edm’d. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| M’Pherran, How’d. | Private | July 26, 1863 | Mustered out with company, October 3, 1863 |
| M’Guire, Peter | Private | August 8, 1863 | Mustered out with company, October 3, 1863 |
| M’Laughlin, John | Private | August 3, 1863 | Deserted August 3, 1863 |
| M’Guire, Francis | Private | August 8, 1863 | Deserted August 8, 1863 |
| M’Gowan, Daniel | Private | August 5, 1863 | Deserted September 9, 1863 |
| Nauman, Win. C. | Private | August 5, 1863 | Mustered out with company, October 3, 1863 |
| Osborn, Adam | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| O’Hagan. John | Private | July 28, 1863 | Absent, sick, at muster out |
| Oiler, George | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Puderbaugh, D. M. | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Peck, Moses | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Reed, William | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Runion, Abraham | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Rotz, Jacob | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Ray, Elliott | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Shrader, Joseph | Private | August 8, 1863 | Mustered out with company, October 3, 1863 |
| Snowers, John | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Sowers, Jacob | Private | August 1, 1863 | Absent, sick, at muster out |
| Stevens, Christ’n A. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Shoemaker, Wm. S. | Private | August 7, 1863 | Mustered out with company, October 3, 1865 |
| Shafer, George | Private | August 7, 1863 | Absent, sick, at muster out |
| Salkeld, James W. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Stumbaugh, W. F. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Scott, George W. | Private | August 8, 1863 | Mustered out with company, October 3, 1865 |
| Smith, Joseph H. | Private | August 8, 1863 | Mustered out with company, October 3, 1865 |
| Smith, William | Private | August 5, 1863 | Mustered out with company, October 3, 1865 |
| Smith, Joseph | Private | August 3, 1863 | Mustered out with company, October 3, 1865 |
| Sprout, Frederick | Private | August 7, 1863 | Deserted August, 1863 |
| Simmers, Michael | Private | August 3, 1863 | Deserted August, 1863 |
| Turner, Joseph F. | Private | August 8, 1863 | Mustered out with company, October 3, 1865 |
| White, Elijah | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| White, George W. | Private | August 3, 1863 | Mustered out with company, October 3, 1863 |
| White, John | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Wilds, James J. | Private | July 25, 1863 | Mustered out with company, October 3, 1863 |
| Wolff, Wm. H. H. | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Wartman, Edw’d B. | Private | August 7, 1863 | Mustered out with company, October 3, 1863 |
| Walz, Albert | Private | August 8, 1863 | Deserted August 8, 1863 |
| White, William H. | Private | July 25, 1863 | Deserted July 26, 1863 |
Source: Bates, Samuel P. History of the Pennsylvania Volunteers, 1861-65, Harrisburg, 1868-1871.