There are about 50 Uhl entries or references found in "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950). Running a report on Uhl in the data file, I don't find any direct connections to your other surnames, but the index doesn't include all related surnames (nor do the clippings themselves ;-)
gary.rebholz@gmail.com, originator/compiler/editor, Milwaukee Wis.
Indexing Milwaukee's German newspapers continuously since 2007... honoring ALL of Milwaukee's historic German-American families.