1930 United States Federal Census
Name: Jack Smithson
Gender: Male
Birth Year: 1921
Birthplace: Utah
Race: White
Home in 1930: Gennessee Street, San Francisco, San Francisco, California
Marital Status: Single
Relation to Head of House: Son
Father's Birthplace: Utah
Mother's Name: Alice I Smithson (Alice and her husband had divorced.)
Mother's Birthplace: Utah

Household Members, their ages, relationship to Alice I Smithson, head of the family and occupation if employed:

1. Alice I Smithson 32 Head Bookkeeper at a Bank
2. Jack Smithson 9 Son
3. Jean Smithson 6 Daughter
4. Kenneth C Southworth 36 Brother Machinist at a Rope Factory
5. Daisy Dallin Southworth 60 Mother
6. Pauline Jesperson 25 Sister
7. Jean Jesperson 3yr 8 mo Niece
8. Paul E Jesperson 1 yr 1 mo Nephew
9. Lorna L Jesperson 31 Cousin Stenographer for a Steam Railroad.

1940 United States Federal Census
Name: Jack D Smithson
Age: 18
Birth Year: 1921
Gender: Male
Race: White
Birthplace: Utah
Marital Status: Single
Relation to Head of House: Grandson
Home in 1940: San Francisco, San Francisco, California
Street: Gennessee Street
House Number: 549
Inferred Residence in 1935: San Francisco, San Francisco, California
Residence in 1935: Same House
Sheet Number: 1B
Attended School or College: Yes
Highest Grade Completed: High School, 3rd year
Household Members:
1. Daisy J Dallin Southworth 71
2. Alice Smithson 41
3. Jack D Smithson 18
4. Lorna J Smithson 15

California, Death Index, 1940-1997
Name: Jack D Smithson
Social Security #: 551267072
Gender: Male
Birth Date: 9 Apr 1921
Birth Place: Utah
Death Date: 2 Jun 1988
Death Place: Alameda
Mother's Maiden Name: Southworth

Social Security Death Index
Name: Jack D. Smithson
SSN: 551-26-7072
Last Residence: 95370 Sonora, Tuolumne, California, United States of America
Born: 9 Apr 1921
Died: 2 Jun 1988
State (Year) SSN issued: California (Before 1951)