That's very interesting! An excellent forum for seeking help is Norway-Heritage,
> "The only information I have of his early life is from census records." <
You'll want to post transcriptions of your census records and marriage record and any other so that volunteers won't waste time hunting for records you've already found. Volunteer researchers will always want to amass information in the USA before attempting to trace back to Europe.
Halvor Anderson (1859-1942) died 1942 and is buried COncordia Lutheran Cemetery, Bagley, Clearwater, Minnesota, per
Find a Grave:http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=An...
Clearwater County, Minnesota
Halvor Andreson 46
Martha D 3
Martinus A 0
Also in Clearwater County in 1910,
* Peder O Tangen age 60 and Anna Tangen with Ole 19 and Oscar 17
* Christian Tangen age 40 and Margaret Tangen with Minnie, Alice, Nellie, Arthur
* Bertha Tangen 22 with Clifford and Ida Covey family