Mary Hansen — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Alameda, California

Our Model Tree links this Mary Hansen across the 1920 and 1930 US Censuses in Alameda, California (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 7-person household.

Age 53 b. ~1877 Female Spouse Born: Scotland Married

1930 Census Record Details

Census Year	1930
Location	Alameda, California
Surname	Hansen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1885
Age at First Marriage	28
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Additional Details
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Oakland City
Est. Birth Year	~1877

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.

7 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Margaret Hansen	Daughter	—	15	~1915
Mary Hansen	Daughter	—	21	~1909
Charles Hansen	Head	—	50	~1880
Robert Hansen	Son	—	19	~1911
Richard Hansen	Son	—	17	~1913
Charles Hansen	Son	—	23	~1907
Mary Hansen	Spouse	—	53	~1877

Census Appearances

1920

Alameda, California

Spouse, age 38

Alameda, California · implied b. ~1882 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hansen
Given Name	Magda
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Scotland
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Alameda, California

Spouse, age 53

Alameda, California · implied b. ~1877 — 7 household members

Surname	Hansen
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1885
Age at First Marriage	28
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

Our Model Tree links Mary Hansen across 2 US Census years (1920 and 1930) in Alameda, California, using XGBoost record linkage.

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This person

Anchor record

Mary Hansen

Spouse · 1930 · age 53 · b. ~1877 · California

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

Original Census Page

1930 US Federal Census — Alameda, California Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensuspopula107unit:0931)

Line	Name	Age	Relation	Occupation	Birthplace
1	Fred W Langridge	63	Head	Salesman	Wisconsin
2	Cora B Langridge	54	Wife	—	New York
3	Andrew B Larsen	53	Head	—	Norway
4	Anna Larsen	53	Wife	—	Norway
5	Charles S Hansen	50	Head	—	Minnesota
6	Mary Hansen THIS PERSON	53	Wife	—	Scotland
7	Charles S Jr Hansen	23	Son	—	California
8	Mary Hansen	21	Daughter	—	California
9	Robert Hansen	19	Son	—	California
10	Richard Hansen	17	Son	—	California
11	Margaret Hansen	15	Daughter	—	California
12	James Thompson	43	Head	—	California
13	Lillian Thompson	40	Wife	—	California
14	James Jr Thompson	18	Son	—	California
15	Lillian Thompson	16	Daughter	—	California
16	Robert Thompson	10	Son	—	California
17	William Thompson	8	Son	—	California
18	Richard Thompson	5	Son	—	California
19	Robert Pierce	37	Head	—	Georgia
20	Mildred Pierce	37	Wife	—	California
21	Robert Jr Pierce	10	Son	—	California
22	Robert W Pierce	8	Son	—	California
23	Richard Pierce	6	Son	—	California
24	Harry Oltman	26	Head	Salesman	South Africa
25	Emma Oltman	26	Wife	Secretary	California
26	Calvin Oltman	5	Daughter	—	California
27	Peter J Richard	33	Head	Salesman	California
28	Ethel Richard	31	Wife	—	California
29	Mary Learmond	57	Head	—	Ohio
30	Thomas Lund	37	Head	Floor Layer	New York
31	Anna Lund	37	Wife	—	California
32	Earl Pierce	33	Head	Mechanic	Kentucky
33	Mary Pierce	24	Wife	—	Hawaii
34	Earl Jr Pierce	4	Son	—	California
35	Robert Pierce	2	Son	—	California
36	Joseph Holenstein	64	Head	Laborer	Switzerland
37	—	None	—	—	—
38	—	None	—	—	—
39	—	None	—	—	—
40	—	None	—	—	—
41	—	None	—	—	—
42	—	None	—	—	—
43	—	None	—	—	—
44	—	None	—	—	—
45	—	None	—	—	—
46	—	None	—	—	—
47	—	None	—	—	—
48	—	None	—	—	—
49	—	None	—	—	—
50	—	None	—	—	—

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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