John Mitchell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · San-Francisco-County, California

Our Model Tree links this John Mitchell across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 6-person household.

Age 50 b. ~1890 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	San-Francisco-County, California
Surname	Mitchell
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Pendleton
Naturalization Status	Naturalized
Additional Details
Occupation	Laborer
Industry	Construction
Class of Worker	PW
Hours Worked	48
Income (1939)	988
Highest Grade	H 4
1935 Residence	Oregon
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Laborer
Township / Ward	San Francisco
Est. Birth Year	~1890

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Kathleen Mitchell	Daughter	—	17	~1923
Margaret Mitchell	Daughter	—	12	~1928
John Mitchell	Head	—	50	~1890
James Mitchell	Son	—	19	~1921
William Mitchell	Son	—	21	~1919
Rose Mitchell	Spouse	—	45	~1895

Census Appearances

1920

San Francisco, …

Other, age 40

San Francisco, California · implied b. ~1880 — 46 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mitchell
Given Name	John
Relationship to Head	Lodger
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1908
Naturalization Status	First papers filed
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Truck Driver
Industry	Standard Oil
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Eng
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

San Francisco, …

Other, age 45

San Francisco, California · implied b. ~1885 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mitchell
Given Name	John
Relationship to Head	Roomer
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ireland
Naturalization Status	First papers filed
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Laborer
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

San-Francisco-County, California

Head, age 50

San-Francisco-County, California · implied b. ~1890 — 6 household members

Surname	Mitchell
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Pendleton
Naturalization Status	Naturalized
Occupation	Laborer
Industry	Construction
Class of Worker	PW
Hours Worked	48
Income (1939)	988
Highest Grade	H 4
1935 Residence	Oregon
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mitchell

Head · 1940 · age 50 · b. ~1890 · 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 — San-Francisco-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00308-00733)

Line	Name	Age	Relation	Occupation	Birthplace
1	Eugene Messerschmidt	15	Son	—	Calif
2	Antone Messerschmidt	14	Son	—	Calif
3	Edwin B. Stone	31	Roomer	Helper	Calif
4	Daphne Donley	17	Daughter	—	Calif
5	Austin P. Bedford	44	Head	Motorman	Calif
6	Jeanette Bedford	34	Wife	Laundress	Idaho
7	William Bedford	15	Son	—	Calif
8	Juanita Bedford	12	Daughter	—	Calif
9	Margaret Callaway	55	Head	—	England
10	Ivor Callaway	19	Son	—	Calif
11	Hay Thomas Callaway	27	Son	Shipfitter	Calif
12	Mary Hazel Kregel	39	Daughter	Office Worker	Calif
13	Mary Kregel	75	Roomer	Matron	Calif
14	Monroe Diederichsen	43	Head	Checker	Calif
15	Leota Diederichsen	43	Wife	—	Calif
16	Roy Diederichsen	18	Son	—	Calif
17	Caroline Orsi	40	Head	—	Italy
18	Billie Orsi	12	Daughter	—	Calif
19	Dominic Orsi	11	Son	—	Calif
20	Anita Orsi	10	Daughter	—	Calif
21	Frederick Orsi	10	Son	—	Calif
22	Carl Nolte	68	Head	—	Germany
23	Louise Nolte	62	Wife	—	Germany
24	Mary J. Bond	75	Head	—	California
25	John Mitchell THIS PERSON	50	Head	Laborer	Ireland
26	Rose Mitchell	45	Wife	—	Ireland
27	William Mitchell	21	Son	Attendant	Calif
28	James Mitchell	19	Son	—	Calif
29	Kathleen Mitchell	17	Daughter	—	Calif
30	Margaret Mitchell	12	Daughter	—	Oregon
31	Harold Anderson	43	Head	Driver	Denmark
32	Harriet Anderson	44	Wife	—	Vermont
33	Alice Anderson	10	Daughter	—	Calif
34	Jennie Anderson	6	Daughter	—	Calif
35	Ruth Little	38	Head	Operator	Calif
36	Reuben Moseley	33	Roomer	Repairman	No Carolina
37	Walter Conway	50	Head	Stevedore	Australia
38	Catherine Conway	42	Sister	Seamstress	Australia
39	Alice Ficklin	68	Head	—	Canada
40	Mable Graulie	56	Roomer	Housekeeper	U.S.

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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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