Bertha Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Iowa-County, Wisconsin

Our Model Tree links this Bertha Thompson across the 1920, 1930 and 1940 US Censuses in Iowa-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 3-person household.

Age 79 b. ~1861 Female Spouse Born: Norway Married

1940 Census Record Details

Census Year	1940
Location	Iowa-County, Wisconsin
Surname	Thompson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	79
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Moscow township
1935 Residence (County)	Iowa
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 6
1935 Residence	Same place
Birth Country	Norway
Birthplace (normalized)	norway
Township / Ward	Moscow Township
Est. Birth Year	~1861

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
Edward Thompson	Head	—	79	~1861
Gilbert Thompson	Son	—	56	~1884
Bertha Thompson	Spouse	—	79	~1861

Census Appearances

1920

Iowa, Wisconsin

Spouse, age 56

Iowa, Wisconsin · implied b. ~1864 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Norway
Year of Immigration	1880
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
Year of Naturalization	1904
Birthplace (normalized)	norway

1930

Iowa, Wisconsin

Spouse, age 69

Iowa, Wisconsin · implied b. ~1861 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1881
Age at First Marriage	25
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read/Write	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1940

Iowa-County, Wisconsin

Spouse, age 79

Iowa-County, Wisconsin · implied b. ~1861 — 3 household members

Surname	Thompson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	79
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Moscow township
1935 Residence (County)	Iowa
Naturalization Status	Naturalized
Highest Grade	No 6
1935 Residence	Same place
Birth Country	Norway
Birthplace (normalized)	norway

Model Tree

Linked across censuses

Our Model Tree links Bertha Thompson 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 Thompson

Spouse · 1940 · age 79 · b. ~1861 · Wisconsin

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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 — Iowa-County, Wisconsin Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04483-00945)

Line	Name	Age	Relation	Occupation	Birthplace
41	Lawrence Swenson	22	son	Truck Driver	South Dakota
42	Martha Swenson	20	daughter	Housework	South Dakota
43	Sylvester Swenson	15	son	Station Attendant	Wisconsin
44	Carol Swenson	11	daughter	—	Wisconsin
45	Minnie Thompson	59	Head	—	Wisconsin
46	Robert Thompson	32	son	Bartender	Wisconsin
47	Anton Lien	72	Head	—	Wisconsin
48	Martha Lien	67	Wife	—	Wisconsin
49	Andrew B. Anderson	68	Brother	—	Wisconsin
50	Lucia Foldedahl	69	Head	—	Wisconsin
51	Edward Thompson	79	Head	Janitor	Wisconsin
52	Bertha Thompson THIS PERSON	79	Wife	—	Norway
53	Gilbert Thompson	56	son	Laborer	Wisconsin
54	Alvin Blanchard	38	Head	Laborer	Wisconsin
55	Amy Blanchard	35	Wife	—	Wisconsin
56	Darlene Blanchard	15	daughter	—	Wisconsin
57	Alvin Jr. Blanchard	13	son	—	Wisconsin
58	Chris Wahl	46	Head	Meat Cutter	Wisconsin
59	Ella Wahl	40	Wife	—	Wisconsin
60	Esther Wahl	21	daughter	Waitress	Wisconsin
61	Mary Ruth Wahl	13	daughter	—	Wisconsin
62	Jennie S. Robb	72	Head	—	Wisconsin
63	Anton Wahl	57	Lodger	Carpenter	Wisconsin
64	Milton Keily	34	Head	Proprietor	Wisconsin
65	Wilma Keily	28	Wife	—	Wisconsin
66	Walter Van Meter	7	Hired man	—	Wisconsin
67	Mathia Ingwell	81	Head	—	Wisconsin
68	Minnie Ingwell	69	Sister	—	Wisconsin
69	Larry Steensland	33	Head	Attorney	Wisconsin
70	Hazel Steensland	33	Wife	Stenographer	Wisconsin
71	Kirstie Knudson	73	Head	—	Norway
72	Adel Moon	32	Head	Electrician	Wisconsin
73	Helen Moon	29	Wife	—	Wisconsin
74	Cynthia Moon	8	daughter	—	Wisconsin
75	Wayne Moon	5	son	—	Wisconsin
76	Gloria Moon	5	daughter	—	Wisconsin
77	Morris Hendrickson	30	Head	22	Wisconsin
78	Stella Hendrickson	21	Wife	—	Wisconsin
79	Geldon Hendrickson	2	son	—	Wisconsin
80	Kenneth Hendrickson	0	son	—	Wisconsin

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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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