Bertha Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Aitkin-County, Minnesota

Our Model Tree links this Bertha Johnson across the 1920, 1930 and 1940 US Censuses in Aitkin-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 3-person household.

Age 68 b. ~1872 Female Spouse Born: Norway Married

1940 Census Record Details

Census Year	1940
Location	Aitkin-County, Minnesota
Surname	Johnson
Given Name	Bertha
Relationship to Head	wife
Sex	F
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Idun Twp
1935 Residence (County)	Aitkin
Naturalization Status	Naturalized
Additional Details
Industry	none
Income (1939)	0
Highest Grade	8
1935 Residence	Same House
Birth Country	Norway
Birthplace (normalized)	norway
Township / Ward	Idun Twp
Est. Birth Year	~1872

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 Bertha	Age	Birth yr
Mabel Johnson	Daughter	—	23	~1917
Carl Johnson	Head	—	76	~1864
Bertha Johnson	Spouse	—	68	~1872

Census Appearances

1920

Aitkin, Minnesota

Spouse, age 47

Aitkin, Minnesota · implied b. ~1873 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Norway
Year of Immigration	1892
Naturalization Status	Naturalized
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1930

Aitkin, Minnesota

Other, age 58

Aitkin, Minnesota · implied b. ~1872 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Bertha
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1892
Age at First Marriage	22
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read/Write	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1940

Aitkin-County, Minnesota

Spouse, age 68

Aitkin-County, Minnesota · implied b. ~1872 — 3 household members

Surname	Johnson
Given Name	Bertha
Relationship to Head	wife
Sex	F
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Idun Twp
1935 Residence (County)	Aitkin
Naturalization Status	Naturalized
Industry	none
Income (1939)	0
Highest Grade	8
1935 Residence	Same House
Birth Country	Norway
Birthplace (normalized)	norway

Model Tree

Linked across censuses

Our Model Tree links Bertha 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

Bertha Johnson

Spouse · 1940 · age 68 · b. ~1872 · Minnesota

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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 — Aitkin-County, Minnesota Open full size

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-01903-00276)

Line	Name	Age	Relation	Occupation	Birthplace
1	Arthur Anderson	45	Head	Farmer	Minnesota
2	Rosetta Anderson	34	wife	—	Minnesota
3	Mae Donna Anderson	11	daughter	—	Minnesota
4	Phyllis Anderson	7	daughter	—	Minnesota
5	John Arthur Anderson	0	son	—	Minnesota
6	Amanda Peterson	74	lodger	None	Sweden
7	Arthur P. Curtis	58	Head	Farmer	Michigan
8	Amy Curtis	48	wife	—	Nebraska
9	Harold Curtis	23	son	78	Minnesota
10	Chester A. Curtis	22	son	Farm Labor	Minnesota
11	Harry Curtis	20	son	Farm Labor	Minnesota
12	Milford Curtis	19	son	79	Minnesota
13	Laura Curtis	17	daughter	—	Minnesota
14	Mitchel Curtis	15	son	—	Minnesota
15	Lillie Curtis	14	daughter	—	Minnesota
16	Gordon Curtis	12	son	—	Minnesota
17	Mary Curtis	10	daughter	—	Minnesota
18	Donna Mae Curtis	8	daughter	—	Minnesota
19	Richard Curtis	2	son	—	Minnesota
20	Ernest Nelson	40	Head	Farmer	Minnesota
21	Ivey Nelson	33	wife	—	Minnesota
22	Shirley Nelson	12	daughter	—	Wisconsin
23	William Nelson	9	son	—	Wisconsin
24	Helen Nelson	6	daughter	—	Minnesota
25	Carl A. Johnson	76	Head	—	Norway
26	Bertha Johnson THIS PERSON	68	wife	—	Norway
27	Mabel Johnson	23	daughter	—	Minnesota
28	Hans O. Johnson	44	Head	Farmer	Minnesota
29	Martha Johnson	43	wife	—	Minnesota
30	Cornelius L. Bates	51	Head	Farmer	So Dakota
31	Alonett Bates	38	wife	—	Pennsylvania
32	Melvin C. Bates	27	son	Farm Labor	So Dakota
33	Joseph A. Slette	47	Head	Farmer	Minnesota
34	James Bennett	64	Head	Farmer	Iowa
35	Elina Johnson	77	Head	—	Norway
36	—	52	—	—	Norway

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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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