Hazel Peterson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Alameda-County, California

Our Model Tree links this Hazel Peterson across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 3-person household.

Age 45 b. ~1895 Female Spouse Born: Connecticut Married

1940 Census Record Details

Census Year	1940
Location	Alameda-County, California
Surname	Peterson
Given Name	Hazel E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Connecticut
1935 Residence (City)	Oakland
1935 Residence (County)	Alameda
Additional Details
Highest Grade	Hs 4
1935 Residence	Same house
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut
Township / Ward	Oakland
Est. Birth Year	~1895

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 Hazel	Age	Birth yr
Barbara Peterson	Daughter	—	18	~1922
Hazel Peterson	Spouse	—	45	~1895
Eric Peterson	Head	—	44	~1896

Census Appearances

1920

Alameda, California

Spouse, age 25

Alameda, California · implied b. ~1895 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Connecticut
Father's Birthplace	Massachusetts
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1930

Alameda, California

Spouse, age 35

Alameda, California · implied b. ~1895 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Connecticut
Age at First Marriage	21
Father's Birthplace	England
Mother's Birthplace	Massachusetts
Occupation	none
Can Read/Write	Yes
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1940

Alameda-County, California

Spouse, age 45

Alameda-County, California · implied b. ~1895 — 3 household members

Surname	Peterson
Given Name	Hazel E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Connecticut
1935 Residence (City)	Oakland
1935 Residence (County)	Alameda
Highest Grade	Hs 4
1935 Residence	Same house
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

Model Tree

Linked across censuses

Our Model Tree links Hazel Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Hazel Peterson

Spouse · 1940 · age 45 · b. ~1895 · California

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

Original Census Page

1940 US Federal Census — Alameda-County, California Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-00440-00405)

Line	Name	Age	Relation	Occupation	Birthplace
41	Chester W. Hamilton	39	Head	Buyer	California
42	Vivian D. Hamilton	37	Wife	Music Teacher	California
43	Robert A. Hamilton	11	Son	—	California
44	Valentine F. Kana	35	Head	Room Clerk	New York
45	Myrtle J. Kana	35	Wife	Private Secretary	California
46	Joseph Gavello	61	Head	Gardener	Italy
47	Wallace C. Winfree	32	Son-in-law	Shipping Clerk	California
48	Olga H. Winfree	32	Daughter	Comptometer Op.	California
49	Elizabeth Williams	58	Wife	—	Wales
50	Howell L. Williams	22	Son	Laborer	California
51	Lloyd Thomas	19	Boarder	Typist	California
52	Hugh L. Williams	62	Head	Mail Carrier	Wales
53	Emanuel Marttila	60	Head	Draftsman	Finland
54	Alina S. Marttila	52	Wife	—	Finland
55	Edwin E. Marttila	18	Son	—	California
56	Katherine E. Marttila	16	Daughter	—	California
58	Edmond L. Raine	29	Head	Traffic Clerk	California
59	Helen J. Raine	28	Wife	Ass. Record Librarian	Oregon
60	Sibyl Mckinley	44	Head	Research Ass.	Nevada
61	Claire Shepley	25	Daughter	Cashier	Nevada
62	Clay Robert Shepley	5	Grandson	—	California
63	Harry L. Henager	40	Head	Manager	Texas
64	Sue A. Henager	37	Wife	Manager	Pennsylvania
65	Rex C. Tupper	40	Head	Traveling Salesman	California
66	Evelyn C. Tupper	39	Wife	—	Colorado
67	Elaine Tupper	15	Daughter	—	California
68	Eric G. Peterson	44	Head	Shipping Clerk	California
69	Hazel E. Peterson THIS PERSON	45	Wife	—	Connecticut
70	Barbara H. Peterson	18	Daughter	—	California
71	Harold Dee Hatch	31	Head	Foreman	Utah
72	Claire O. Hatch	32	Wife	—	California
73	Harold R. Hatch	7	Son	—	California
74	Howard T. Hatch	2	Son	—	California
75	Charles R. Badelford	33	Head	Factory Representative	Illinois
76	Christina Badelford	34	Wife	—	Wisconsin
77	Chandler R. Badelford	6	Son	—	California
78	Edgar H. Appiarius	49	Head	Mechanic - Supt.	California
79	Irma C. Appiarius	51	Wife	—	Wisconsin
80	Jesse N. Uren	39	Head	Printer	California

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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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