http://www.cooganresearchgroup.com/crg/index.htm 23 June 2013 COOGANs listed 1940 US Census - State of South Dakota: ***Note - not a complete listing*** Coogan, William E. - age 62 [grain farmer, own farm] - born MO [living in same place in 1935, school: H4] McLaughlin, Corson, SD NARA FILM T627-3852, ED 16-17, PAGE 1B, LINE 45