Hamberger - Lucy Hamberger, nee McSherry, at 2316 W. Adams St., beloved wife of N. Hamberger, member Custer Post No. 40 of G.A.R., fond mother of Frank, Nathan and Grace Babcock. Funeral Monday from St. Malachy's Church at 9:30. Interment at Oak Ridge, South Haven, Mich.papers please copy.
You could try contacting the VanBuren County Michigan Genealogical Society for some help or even the public library in South Haven.
On the subject of Oak Ridge I do think there are 2 cemeteries in Cook County with that name.