Thaddeus was probably named for Thaddeus Morehouse (whether Uncle or Grandfather is unknown).
Residences & events:
6/20/1870 PO Shelbyville, Holland Twp, Shelby Co, IL. The census taker apprarently could spell as he listed Thadies, 33, Mrs, 28, and little Arnada J, 5 (Amanda?). Thaddeus was a farmer whose property totaled $1200/400. Down the road was his father, brother William was just beyond.