German casualty list database, which currently primarily covers the early months of the war:

http://java.genealogy.net/eingabe-verlustlisten/search

The EKII was awarded to millions of solders. Initially, the names of the recipients were published, and I recall coming across one such digitized list but off hand can't remember where. However, this discussion may be of interest:

http://1914-1918.invisionzone.com/forums/index.php?showtopic...

There are several collector & WWI message boards where you could find out more.