This name is transcribed as Bicker, but on the original the handwriting could read Becker.
1940 Omaha, Douglas, Nebraska August J Bicker 23 born abt 1917 in Iowa; residence in 1935 Dubuque Iowa ---occupation advertising salesman, advertising agency Loise Bicker 23 born abt 1917 in Iowa; residence in 1935 Dubuque ---occupation saleslady, retail department store Sundia Bicker 4 born about 1936 in Iowa [looks like Sundra to me on original] Robert May 22 lodger Jean Davis 18 servant
I also searched in Minnesota.
If the above record isn't yours, post a date of birth for August and/or Lois, place of birth, children, occupations, etc. to help us sort the other non-perfect matches for you. ; D