Omund Jordal, the youngest child of Sigri Gunnersdatter and Ole Larson was living in Milan township, DeKalb county, Illinois during the 1930 US Census.
Living with Omund was wife Ingeborg (Malland) and their children, Harvey, Gordon, Lillian (my grandmother) and Evelyn.
A few of Ingeborg and Omund's sons were living nearby in different households, also seen on this census page.
Silas was living with the Coefield family as a laborer.
Omer was living with wife Mabel (Berg) and their son Owen and Omer's brother, Olai.