I've indexed a family death notice for your Wm. Dallmann published in the German papers published in Milwaukee. There are also some Dryer entries but only one Drier spelling in the current index called "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).
Gary Rebholz, compiler/editor
Indexing Milwaukee's German newspapers continuously since 2007... helping family researchers collect evidence of our historic German-American culture.