Olga Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Worcester-County, Massachusetts

Our Model Tree links this Olga Johnson across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 5-person household.

Age 51 b. ~1889 Female Spouse Born: Sweden Married

1940 Census Record Details

Census Year	1940
Location	Worcester-County, Massachusetts
Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Worcester
1935 Residence (County)	Worcester
Naturalization Status	Naturalized
Additional Details
Hours Worked	5
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Sweden
Birthplace (normalized)	sweden
Township / Ward	Worcester
Est. Birth Year	~1889

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.

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

Name	Relation to head	Relative to Olga	Age	Birth yr
Walter Johnson	Son	—	18	~1922
Olga Johnson	Spouse	—	51	~1889
Warren Johnson	Son	—	14	~1926
John Johnson	Son	—	20	~1920
John Johnson	Head	—	58	~1882

Census Appearances

1920

Worcester, Massachusetts

Spouse, age 31

Worcester, Massachusetts · implied b. ~1889 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Sweden
Year of Immigration	1908
Naturalization Status	Naturalized
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Birthplace (normalized)	sweden

1930

Worcester, Massachusetts

Spouse, age 41

Worcester, Massachusetts · implied b. ~1889 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Olga S
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Sweden
Naturalization Status	Naturalized
Year of Immigration	1908
Age at First Marriage	24
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Birthplace (normalized)	sweden

1940

Worcester-County, Massachusetts

Spouse, age 51

Worcester-County, Massachusetts · implied b. ~1889 — 5 household members

Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	Worcester
1935 Residence (County)	Worcester
Naturalization Status	Naturalized
Hours Worked	5
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Sweden
Birthplace (normalized)	sweden

Model Tree

Linked across censuses

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

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This person

Anchor record

Olga Johnson

Spouse · 1940 · age 51 · b. ~1889 · Massachusetts

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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 — Worcester-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01712-00011)

Line	Name	Age	Relation	Occupation	Birthplace
41	Eugene W. Petterson	6	Son	—	Mass.
42	Carole V. Petterson	5	Daughter	—	Mass.
43	May B. Underwood	44	Head	—	Mass.
44	Donald Underwood	20	Son	Time Keeper	Mass.
45	Earle Underwood	18	Son	—	Mass.
46	Lloyd Underwood	17	Son	—	Mass.
47	Ruth Underwood	10	Daughter	—	Mass.
48	George P. Harris	68	Head	Laborer	Canada-Eng
49	Emma Harris	46	Wife	—	Mass.
50	Charlotte Harris	23	Daughter	Waitress	Mass.
51	John Harris	21	Son	Apprentice On Machine	Mass.
52	Isadora Harris	18	Daughter	—	Mass.
53	Edward J. Harris	16	Son	—	Mass.
54	Jessie E. Harris	13	Daughter	—	Mass.
55	Evelyn P. Harris	7	Daughter	—	Mass.
56	Robert G. Harris	6	Son	—	Mass.
57	Dorothy A. Harris	2	Daughter	—	Mass.
58	Alfred F. Harris	31	Head	Auto Mechanic	Mass.
59	Marjorie Harris	25	Wife	—	Mass.
60	Chester Hemmenway	26	Head	Printer	Mass.
61	Anna Hemmenway	59	Mother	—	Irish Free State
62	Arvid B. Anderson	50	Head	Clerk	Mass.
63	Lilly Anderson	36	Wife	Elevator Operator	England
64	Mary Anderson	80	Mother	—	Sweden
65	John Amberg	35	Head	Treasurer	Mass.
66	Florence A. Amberg	38	Wife	—	Mass.
67	Mary La Prade	30	Head	—	East Conn.
68	Barbara G. La Prade	10	Daughter	—	Mass.
69	Victor J. La Prade	8	Son	—	Mass.
70	Earl E. La Prade	7	Son	—	Mass.
71	Richard T. La Prade	5	Son	—	Mass.
72	Joan Anne La Prade	4	Daughter	—	Mass.
73	Otto Bjorklund	53	Head	Laborer	Sweden
74	Svea Bjorklund	47	Wife	—	Sweden
75	Claris S. Bjorklund	12	Daughter	—	Mass.
76	John A. Johnson	58	Head	Kiln Setter	Sweden
77	Olga Johnson THIS PERSON	51	Wife	—	Sweden
78	John Johnson	20	Son	Paint Mixer	Mass.
79	Walter Johnson	18	Son	Labor	Mass.
80	Warren Johnson	14	Son	—	Mass.

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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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