The History of South Dakota by Doane Robinson, vol. II (1904) pages 1707-1708 Lists Thomas Fullerton as president of the Fullerton Lumber Company, of Mitchell, He talks alot about his family and his parents. His parents were Samual Fullerton and Anna Holmes. He was born in County Antrim of Scotch - Irish Descent. I found this in
http://ftp.rootsweb.com/pub/usegenweb/sd/biography/doane2/fu....
I am following the James Thraykill Fullerton and the James C Fullerton who had the Fullerton Bottling company in Fairfax, Minnesota. I have a number of relatives who lived in Illinois, Missouri and Minnesota. If any of my information might help you please let me know.