Contact author Dave Sullivan at DSulli7875@aol.com, as he knew Ralph Donnelly very well, and is in the process of updating Donnelly's compilations on CS Marine personnel. Dave would more than likely have much additional data.
Also, when searching for some of the names of these personnel, it pays to try other variants of the surname, as often these were transcribed in a different form, especially since the script from those days was often difficult to decipher.