Oscar Peterson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Scott-County, Iowa

Our Model Tree links this Oscar Peterson across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed), with identified parents Fred & Ida — first a head (b.~1898), then head of a 3-person household.

Age 42 b. ~1898 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Scott-County, Iowa
Surname	Peterson
Given Name	Oscar
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Davenport City
1935 Residence (County)	Scott
Additional Details
Occupation	Bookkeeper
Industry	Wholesale Oil + Gasoline
Class of Worker	PW
Hours Worked	44
Income (1939)	2500
Highest Grade	H 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Bookkeeper
Township / Ward	Davenport City
Est. Birth Year	~1898

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

3 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Oscar	Age	Birth yr
Doris Peterson	Daughter	—	13	~1927
Oscar Peterson	Head	—	42	~1898
Gertrude Peterson	Spouse	—	43	~1897

Census Appearances

1920

Scott, Iowa

Son, age 21

Scott, Iowa · implied b. ~1899 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Petersen
Given Name	Oscar
Relationship to Head	Son
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Stenographer
Industry	Standard Oil Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Scott, Iowa

Head, age 31

Scott, Iowa · implied b. ~1899 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Petersen
Given Name	Oscar C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	26
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Chief Clerk
Industry	Oil Co
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	7000
Radio Set	R
Veteran	No
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Scott-County, Iowa

Head, age 42

Scott-County, Iowa · implied b. ~1898 — 3 household members

Surname	Peterson
Given Name	Oscar
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Davenport City
1935 Residence (County)	Scott
Occupation	Bookkeeper
Industry	Wholesale Oil + Gasoline
Class of Worker	PW
Hours Worked	44
Income (1939)	2500
Highest Grade	H 4
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links Oscar Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Petersen (~0.92 confidence) and mother Ida Petersen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Fred Petersen

b. ~1861

Source father

● Household · direct · ~0.92

Mother

Ida Petersen

b. ~1863

Source mother

● Household · direct · ~0.92

This person

Anchor record

Oscar Peterson

Head · 1940 · age 42 · b. ~1898 · Iowa

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Scott-County, Iowa Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01203-00739)

Line	Name	Age	Relation	Occupation	Birthplace
1	Minnie Carlson	50	Sister	Office Clerk	Illinois
2	Sam Goldman	41	Head	Proprietor	Illinois
3	Maurine Goldman	8	Daughter	—	Iowa
4	Ella Goldman	38	Wife	—	Iowa
5	Goldie Dockterman	66	Mother in law	—	Russia
6	William L. Davis	46	Head	Ice Cream Manufacturer	Iowa
7	Edna M. Davis	44	Wife	—	Illinois
8	William Davis	19	Son	Machinist Helper	Iowa
9	Jane Davis	18	Daughter	—	Iowa
10	Richard Davis	16	Son	—	Iowa
11	George Holmes	45	Head	Gas Engineer	Indiana
12	Jessie Holmes	43	Wife	—	Indiana
13	Terrence Flynn	63	Head	Machinist	Illinois
14	Addie L. Flynn	59	Wife	—	Iowa
15	Walter G. Meves	39	Head	Machinist	Iowa
16	De Ette Meves	38	Wife	—	Iowa
17	George Allender	77	Head	Printer	Iowa
18	Mary Allender	70	Wife	—	Iowa
19	C. Hazen Allender	45	Son	—	Iowa
20	Gladys Allender	41	Daughter	Timekeeper	Iowa
21	Oscar L. Gustafson	38	Head	Minister	Illinois
22	Helen Gustafson	35	Wife	—	Iowa
23	Joyce Gustafson	11	Daughter	—	Indiana
24	Beverly J. Gustafson	9	Daughter	—	Indiana
25	John Gustafson	3	Son	—	Iowa
26	Albertina Pitman	70	Roomer	—	New Jersey
27	Nora Paulsen	18	Maid	Maid	Iowa
28	Harold Yeaton	41	Head	Manager	Massachusetts
29	Helen Yeaton	44	Wife	—	Vermont
30	Ann Yeaton	13	Daughter	—	Kentucky
31	Vacant	None	—	—	—
32	Harold Walker	49	Head	Manager	Iowa
33	Cora Walker	50	Wife	—	Indiana
34	Clare Walker	20	Daughter	—	Iowa
36	Robert G. Carlton	48	Head	Salesman	Iowa
37	Rose Carlton	42	Wife	—	Iowa
38	Oscar Peterson THIS PERSON	42	Head	Bookkeeper	Iowa
39	Gertrude Peterson	43	Wife	—	Iowa
40	Doris Peterson	13	Daughter	—	Iowa

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Pedigree Summary

Oscar

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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