The following Plymouth men entered the service during the war as officers in the navy:
| Sherman Allen, mate | Eliphalet Holbrook, mate |
| Alexander B. Atwood, mate | George H. Holmes, master |
| Edward Baker, master, acting lieutenant | Charles H. Howland, mate |
| Winslow B. Barnes, mate | Lemuel Howland, Jr., mate |
| Cornelius Bartlett, ensign | Wm. H. Howland, mate |
| Francis Burgess, master | Wm. H. Hoxie, mate |
| Victor A. Bartlett, sailmaker | Franklin S. Leach, mate |
| Charles H. Brown, master, acting lieutenant | Phineas Leach, master |
| Charles Campbell, mate | Wm. W. Leonard, mate, ensign |
| Robert B. Churchill, 3rd, assistant engineer | Everett Manter, mate |
| John F. Churchill, mate | John Morissey, ensign |
| Wm. R. Cox, mate, ensign | Frank T. Morton, assistant paymaster |
| Francis B. Davis, ensign, acting master | Thomas B. Sears, Jr., master |
| Wm. J. Dunham, 3d assistant engineer | Amasa C. Sears, master |
| Alvin Finney, master | Merritt Shaw, 3d assistant engineer |
| Elkanah C. Finney, mate | E. Stevens Turner, master in com. |
| George Finney, master | Frank W. Turner, mate |
| Robert Finney, mate | Adoniram Whiting, mate |
| Augustus H. Fuller, mate, ensign | Benjamin Whitmore, master |
| Ichabod C. Fuller, mate, ensign | Henry C. Whitmore, mate |
| Ezra S. Goodwin, master | John Whitmore, master |
| Nathaniel Goodwin, acting lieutenant |
Plymouth seamen in the service during the war:
| Wm. Archer | George H. Jenness |
| Albert Ashport | Benjamin Kempton |
| Richard Atwell | Walter S. King |
| Edward A. Austin | Josiah Leach |
| Hiram F. Bartlett | Amos Lonnon |
| Temple H. Bartlett | James B. Lynch |
| Jesse T. Bassett | Wm. H. Maxey |
| Wm. Brown | Owen McGann |
| Caleb Bryant | Bache Melex |
| Henry Burns | John A. Morse |
| John B. Chandler | John F. Morse |
| Charles W. Chickering | Patrick Murphy |
| Solomon H. Churchill | Sylvester Nightingale |
| James Cook | Hiraim S. Purrington |
| Ephraim Douglass | George Rice |
| Atwood R. Drew | Orin W. Ring |
| B. F. Dunham | Francis Roland |
| Robert Dunham | Wm. C. Russell |
| James L. Field | Martin H. Ryder |
| John Fisher | Harvey C. Swift |
| George B. Foley | Wm. Slade |
| Henry C. Gage | Albert Swift |
| Arthur M. Grant | Francis Sylvester |
| James Gray | Wm. H. Sylvester |
| James Halpin | Auguste Thomas |
| Allen Hathaway | James E. Thomas |
| Edward W. Hathaway | E. F. Townsend |
| Samuel Haskins | George Tully |
| Charles H. Hollis | Henry Vail |
| Thaxter Hopkins | James Welch |
| Wm. Horton | Joseph Weston |
| Edward Howland | Joseph Wright |
Plymouth men killed during the Civil War:
John K. Alexander, at Spotsylvania Court House, May 12, 1864.
Lawrence R. Blake at Antietam, Sept. 17, 1862.
Edward D. Brailey at Newbern, April 27, 1862.
Jedediah Bumpus, June 30, 1864.
Nathaniel Burgess, wounded at Fort Steadman, March 25th, 1865, died of wounds in July, 1865.
Joseph L. Churchill at Newbern, March 14, 1862.
Joseph W. Collingwood, at Fredericksburg, December 13, 1862, died December 24.
Edwin F. Hall, at Coal Harbor, June 3, 1864.
Frederick Holmes, at Port Hudson, June 14, 1863.
Orin D. Holmes, at Fort Steadman, March 25, 1865.
Thomas A. Mayo, at Gaines Mill, June 27, 1862.
Lemuel B. Morton, at Spotsylvania Court House, May 12, 1864.
Isaac H. Perkins, at Coal Harbor, June 3, 1864, died June 26.
Harvey A. Raymond, at Whitehall, Dec. 16, 1862.
Edward Stevens, at Whitehall, Dec. 16, 1862, died Jan. 19, 1863.
David A. Taylor, at Petersburg, June 22, 1864.
Israel H. Thrasher, at Port Hudson, June 14, 1863, died June 29.
Benjamin Westgate, at Whitehall, Dec. 16, 1862.
John M. Whiting, Opequan Creek, September 19, 1864.
Plymouth men who died in the service.
Wm. T. Atwood, at Newbern, July 20, 1862.
George W. Barnes, at Harrison’s Landing, August 3, 1862.
Victor A. Bartlett, at Salisbury, March 25, 1864.
Wm. Brown, on Ship Constellation, Dec. 24, 1864.
George W. Burgess, Falmouth, March 8, 1863.
Joseph W. B. Burgess, at Washington, December 9, 1864.
Thomas B. Burt, at Washington, October 31, 1862.
John Carline, at Roanoke Island, October 14, 1864.
John B. Collingwood, at Cincinnati, August 21, 1863.
Thomas Collingwood, Camp Parks, Kentucky, August 31, 1863.
Isaac Dickerman, near Fortress Monroe, November 12, 1863.
Benjamin F. Durgin, Baton Rouge, August 8, 1863.
Seth W. Eddy, Readville, March 13, 1864.
Wm. Edes, Andersonville, August 30, 1864.
Melvin C. Faught, Windmill Point Hospital, Va., Feb. 5, 1863.
Lemuel B. Faunce, Jr., Goldsboro, April 23, 1865.
Theodore S. Fuller, Rebel Prison, probably Oct. 1, 1863.
Edward E. Green, Baton Rouge, July 11, 1863.
Thomas Haley, St. James Hospital, La., April 5, 1863.
Justus W. Harlow, near Ft. Monroe, September 17, 1862.
Wm. N. Hathaway, Washington, Feb. 23, 1863.
Thomas W. Hayden, Crab Orchard, September 4, 1863.
George M. Heath, Harrison’s Landing, July 30, 1862.
Horace A. Jenks, Mill Dale Hospital, Mississippi, July 24, 1863.
Charles E. Merriam, Harper’s Ferry, November 12, 1862.
Gideon E. Morton, Fredericksburg, May 3, 1863.
J. T. Oldham, Newbern, 1863.
Louis Payzant.
George T. Peckham, Knoxville, Nov. 1, 1863.
William Perry, New Orleans, June 5, 1863.
Thomas Pugh, at sea, November 18, 1865.
Albert R. Robbins, Plymouth, March 5, 1864.
Henry H. Robbins, Washington, December 4, 1863.
Thomas S. Saunders, Roanoke Island, March 11, 1862.
Otis Sears, Plymouth, January 5, 1864.
Wm. H. Shaw, Plymouth, August 6, 1865.
Edward Smith, Annapolis, May, 1862.
John Sylvester, Andersonville, December 16, 1864.
Wallace Taylor, Newbern, November 23, 1862.
Frank A. Thomas, Camp Hamilton, September 14, 1862.
Charles E. Tillson, Andersonville, July 14, 1864.
E. S. Turner, Rio Janeiro, August 5, 1864.
David R. Valler.
Charles E. Wadsworth, Salisbury, Nov. 29, 1864.
George E. Wadsworth, Camp Parks, Ky., August 30, 1863.
John Whitmore, at sea, August, 1862.
David Williams, Camp Dennison, Ky., September 14, 1863.
Plymouth men wounded in the service.
John K. Alexander, Antietam.
Simeon H. Barrows, Hampton, July 14, 1861.
Benjamin F. Bates, May 30, 1864.
Charles H. Drew, Fredericksburg.
John F. Hall, Newport News, 1862.
James S. Holbrook, Wilderness.
Charles E. Kleinhans, Fair Oaks.
Charles E. Merriam, Malvern Hill.
Seth W. Paty, Newport News and siege of Knoxville.
John Shannon, Antietam.
Samuel D. Thrasher, Wilderness.
George E. Wadsworth, White Oak Swamp.
Wm. H. Winsor, Fredericksburg.