Links on Interest research on the General Lyons

March 31, 1865 Off Cape Hatteras, North Carolina, the US Army transport “General Lyon” carrying an estimated 600 discharged Union Soldiers, ex Union Prisoners of War and refugees and civilians while in a storm caught fire and sank. A contemporary newspaper account (New York Herald April 3, 1865} listed
the following by name:
General Lyon crew left behind in Hospitals in Wilmington 7
Survivors picked up by “General Sedgwick” 28 (8 crewmen; 3 refugees ;17 soldiers)
Reported Numbers of passengers on aboard:
2 officers/18 men of 98th New York (U.S. Army Guards)
11 officers/204 men of 56th Illinois Regiment mustered out of service [Note: the number was 11 officers/190 men of the 56th Illinois regiment onboard this vessel of whom 5 survived(Wikipedia)].
16 members of the 3rd Pennsylvania Artillery
157 escaped/paroled Union Prisioners
167 Refugees (67 men & 100 women and children)

Ref: The New York herald. [volume] (New York [N.Y.]) 1840-1920, April 03, 1865, Page 4, Image 4 « Chronicling America « Library of Congress (loc.gov)
Edward Boots :: General Lyon Disaster (Note copyrighted website listing known
Names of Crew and passengers)
56th Illinois Infantry Regiment - Wikipedia