861. Second Lieutenant, 54th Mass. Infantry, Mar. 5, 1863; mustered, Apr. 23. First Lieutenant, May 22, 1863; not mustered.
Discharged for promotion, May 23, 1863.
Captain, 55th Mass. Infantry, May 23, 1863.
Major, Nov. 23, 1864. Brevet Colonel, U. S. Volunteers, Mar. 13, 1865. Lieut. Colonel, June 25, 1865.
Mustered out, Aug. 29, 1865.
O'Brien, James.
Lieut. Colonel, 48th Infantry, M. V. M., in service of the U. S., Dec. 8, 1862.
Killed at Port Hudson, La., May 27, 1863.
Oliver, Samuel C.
Lieut. Colonel, 1st Mass. Heavy Artillery, July 5, 1861.
Resigned, Mar. 13, 1862.
Captain, 35th Mass. Infantry, Aug. 12, 1862.
Major, 2d Mass. Heavy Artillery, June 29, 1863. Brevet Colonel, U. S. Volunteers, Mar. 13, 1865.
Mustered out, Sept. 3, 1865. Lieut. Colonel, Sept. 18, 1865; never mustered.
Onion, Edward M.
Second Lieutenant, 18th Mass. Infantry, Oct. 20, 1861. First Lieutenant, Sept. 1, 1862.
Captain, May 2, 1863.
Mustered out, Sept. 2, 1864. Brevet Major, U. S
rne, L. L., 108
Odiorne, W. C., 108
O'Donnell, James, 327
O'Dowd, Francis, 327
Ogden, F. G., 327
O'Gorman, J. J., 327
O'Hara, H. W., 110
O'Hara, M. F., 327
O'Hare, Thomas, 327, 435, 546
O'Keefe, James, 327
O'Leary, Timothy, 327
Oliver, Abraham A., 328
Oliver, Abram A, 328
Oliver, Benjamin, 576
Oliver, G. H., 435
Oliver, H. K., 328
Oliver, H. W., 328
Oliver, Harrison, 475
Oliver, James, 16th Mass. Inf., 328
Oliver, James, 61st Mass. Inf., 386
Oliver, R. S., 328, 435
Oliver, S. C., 223, 546
Olloqui, R. A., 386
Omey, W. H., 110
O'Neil, A. F, 110
O'Neil, Charles, 110
O'Neil, James, 25th Mass. Inf., 328
O'Neil, James, 9th Mass. Inf., 328
O'Neil, Jeremiah, 328
O'Neil, Thomas, 328
O'Neil, William, 328
O'Neill, Joseph, 29th Mass. Inf., 328
O'Neill, Joseph, 60th Mass. Inf., 328
Onion, E. M., 223, 328, 546
Onion, Henry, 328
Orcutt, F. E., 493
Orcutt, J. A., 110
Orcutt, W. K., 110
Ordway, Albert, 189, 223, 435, 546
Ordway, J. P., 386
Ordway, W. A., 11