I came across the newspaper clipping attached below, as I was searching for my ancestors, and thought it might be of interest. I am pretty certain this is the DeVol family below, as Carl is an insurance broker:

1930 United States Federal Census
Name: Carl B Devol
Gender: Male
Birth Year: abt 1883
Birthplace: Iowa
Race: White
Home in 1930: Evanston, Cook, Illinois
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Marital Status: Married
Relation to Head of House: Head
Spouse's Name: Marie Devol
Father's Birthplace: Iowa
Mother's Birthplace: Iowa
Household Members: Name Age
Carl B Devol 47
Marie Devol 30
James Devol 6