"Wilhelmine Lueck in my tree, married august Lueck, died in Milwaukee WI in 1910"
There were death notices published in the local German newspapers for your Wilhelmine Lueck and indexed in "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950). There are also death notice, obit. and burial article entries for an August Lueck in the index - about 50 occurrences of the name in the growing data.
Gary Rebholz, compiler/editor
Indexing Milwaukee's German newspapers continuously since 2007 ...