"... my Great Great Great Grandfathers name was Kluczokski when he came over from Poland but my G G Grandfather changed it to Kluck (pronounced Klook) ... I also know that my GGG Grandad settled in Millwaukee ..."
There are some Kluck entries found in the local resource called "Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950); names like Albert, Ernestine, Franz, Friedericke (née Wessel, ref. John), Henrietta (née Garschke), John, Mary Louise (née Mallon).
If your family was Catholic, you may find them at
www.cemeteries.orgA search for "Kluc" will bring up a wider list of entries like Kluck Kluczewski Kluczykowski.
gary.rebholz@gmail.com, originator/compiler/editor, Milwaukee Wis.
Indexing Milwaukee's German newspapers continuously since 2007... helping family researchers collect evidence contemporary with their historic German-American and other Central and Eastern European families.