Karon,
I found that there is a book ( They Died At Fort Delaware 1861 - 1865 ) that has a list of all soldiers that died at Fort Delaware, Union and Confederate. The book is $8.00 + $1.50 handling.
Here is the site for the book,
http://www.del.net/org/fort/publications.htm
Hope this helps !
Cuz, Gary D. Bray