Source Information Maryland Soldiers in the Civil War, Vol. 1 [database on-line]. Provo, UT, USA: Operations Inc, 1997.
Original data: L. Allison Wilmer, James H. Jarrett, George W. F. Vernon. History and Roster of Maryland Volunteers, War of 1861-5, Volume 1. Press of Guggenheimer, Weil & Company, 1898.

About Maryland Soldiers in the Civil War, Vol. 1

With over 36,000 records of soldiers, sailors and marines in the Union Army and Navy from 1861 to 1865, this database is of interest to anyone with ancestors from Maryland who served in the Civil War. The data was obtained from official records of the Adjutant-General office, the War Department, State histories, and other records. This first volume embraces all of the troops accredited to the quota of the State of Maryland.