I'm not sure exactly you're looking for when you say "can anyone connect to Edward M. Buchheit . . .". Are you looking for their descendants?
Here is what I found. In 1900 Edward was living with his mother and siblings in Monitor, Marion Co., OR.
Catherine, head, b. Germany, April 1844, widow, immigrated 1867, housekeeper.
Mary M., dau, b. IN, March 1872, single, dress maker.
Anna C., dau, b. IN, Feb. 1875, single, at college.
Frank K., son, b. IN, April 1882, single, at college.
Leo M., son, 16 yrs old.
Edward, son, 13 yrs old.
Robert Zolner, 13 yrs old.
One June 5, 1917 an Edward Michael Buchheit was living in RFD 1, Mt. Angel, Marion Co., OR. He was b. 15 Feb. 1887, Mt. Angel, OR. Occupation-farmer, self-employed, Mt. Angel. He had a wife and one child. Source: World War I Draft Reg. cards 1917-1918, ancestry.com.
In 1930 Edward and family were living in East Mt. Angel, Marion Co., OR.
Edward, b. OR, 42 yrs old, marr @ 29, general farmer.
Mary, wife, b. IL, 35, marr @ 22.
Francis J., son, b. OR, 12.
Anastasia, dau, b. OR, 11.
Elizabeth, b. OR, 9.
Edward, b. OR, 8.
Amanda, b. OR, 6.
Wilma, b. OR, 3 9/12ths.
Milton, b. OR, 2 2/12ths.
Gale, son, b. OR, 2/12ths.
Their next door neighbor was Francis Buckheit and two children.
A Mary M. Buchheit d. Marion Co., 21 Aug 1972, Age-77, Birth=Dec. 1894, Spouse-Edward, per death cert #72-12513. Source: OR Death Index, 1903-98, ancestry.com.
A Mary Buchheit, Last Residence=97381 Silverton, Marion Co., OR, b. 21 Dec 1894, d. Aug. 1972. Her soc. sec. # was assigned in OR before 1951. Source: Social Security Death Index, ancestry.com.
An Edward Mic [field oftened shortened] Buchheit b. 15 Feb 1887, died 24 June 1986, Marion Co., Age-99, Spouse-Mary. Source: OR Death Index 1903-98, ancestry.com.
If you want to order a copy of their marriage cert, see this web site, http://www.oregon.gov/DHS/ph/chs/order/faqs.shtmlhttp://www.oregon.gov/DHS/ph/chs/order/faqs.shtml.
If you want copies of their obituaries, there is a volunteer, Connette, at Random Acts Genealogical Kindness. Go to http://www.raogk.org/oregon3.htmhttp://www.raogk.org/oregon3.htm, choose Oregon, choose Marion county and you'll see Connette and contact her.
If that doesn't work, contact the University of Oregon, http://libweb.uoregon.edu/general/gethelp.htmlhttp://libweb.uoregon.edu/general/gethelp.html. They do charge a fee. Successful Searching!