NYT April 14 1865 records that present on the Lyon (among others) were:

*Lieut. J.P. Alexander, Lieut. C.K. Johnson, Lieut. George Johnson, Sergt. Blake and 15 men Third Pennsylvania Artillery; E.C Bray. Twenty-fourth Massachusetts. *

In the fall of 1863, Captain, afterward Major John A. Blake, with his own company, F, and a large number of unassigned recruits, was placed in charge of the prison camp, and camp of distribution, at Camp Hamilton, near Fortress Monroe, which position he retained until the close of the war. A sergeant and fifteen men from company F, on detached service at Wilmington, North Carolina, took passage on the General Lyon, on the 31st of March, 1865, to return to Fortress Monroe. During the first day out, the steamer was destroyed by fire, and all save two were lost.

Source: Bates, Samuel P. History of the Pennsylvania Volunteers, 1861-65, Harrisburg, 1868-1871

Survived: KREUSEN / KREWSON JOHN, DODSON CHARLES, WILLIAMS CYRUS

The lost were

Sgt BLAKE ORAN, DERRY PATRICK, DICKINSON JONATHAN , FOOTE WILLIAM, LEE JOHN, MCDADE ROBERT, PARSONS JOSEPH, PHILLIPS RICHARD, PIKE MOSES, REAM FRANKLIN, SMITH EMILE, TEAUBNER / TAEUBNER EDWARD, WHITE WILLIAM,

Patrick Derry