Bertha Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Nobles-County, Minnesota

Our Model Tree links this Bertha Thompson across the 1920, 1930 and 1940 US Censuses in Nobles-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.

Age 80 b. ~1860 Female Head Born: Norway Widowed

1940 Census Record Details

Census Year	1940
Location	Nobles-County, Minnesota
Surname	Thompson
Given Name	Bertha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Norway
1935 Residence (City)	Lismore Twp
1935 Residence (County)	Nobles
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	0
1935 Residence	Same place
Birth Country	Norway
Birthplace (normalized)	norway
Township / Ward	Lismore Twp
Est. Birth Year	~1860

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
Bertha Thompson	Head	—	80	~1860
Joseph Thompson	Son	—	55	~1885
Lester Thompson	Son	—	38	~1902

Census Appearances

1920

Freeborn, Minnesota

Spouse, age 60

Freeborn, Minnesota · implied b. ~1860 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Bertha
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Norway
Year of Immigration	1881
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	1883
Birthplace (normalized)	norway

1930

Nobles, Minnesota

Spouse, age 70

Nobles, Minnesota · implied b. ~1860 — 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	70
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1883
Age at First Marriage	19
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	none
Can Read/Write	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1940

Nobles-County, Minnesota

Head, age 80

Nobles-County, Minnesota · implied b. ~1860 — 3 household members

Surname	Thompson
Given Name	Bertha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Norway
1935 Residence (City)	Lismore Twp
1935 Residence (County)	Nobles
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	0
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 3 locations, using XGBoost record linkage.

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This person

Anchor record

Bertha Thompson

Head · 1940 · age 80 · b. ~1860 · 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 — Nobles-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01942-00249)

Line	Name	Age	Relation	Occupation	Birthplace
1	Frank D. Loonan	55	Head	Farmer	Minnesota
2	Rose Loonan	53	Wife	—	South Dakota
3	Homer Loonan	26	Son	Farmer	Minnesota
4	Virgil Loonan	23	Son	Farmer	Minnesota
5	Esther Loonan	21	Daughter	Teacher	Minnesota
6	Avis Rose Loonan	18	Daughter	—	Minnesota
7	Frank D. Hubert	60	Head	Farmer	Iowa
8	Mabel Hubert	56	Wife	—	Iowa
9	Joe Zeltner	31	Servant	Farmer	North Dakota
10	John D. Kemper	46	Head	Farmer	Minnesota
11	Vena Kemper	41	Wife	—	Minnesota
12	Victor Kemper	11	Son	—	Minnesota
13	George Kemper	10	Son	—	Minnesota
14	Donald Kemper	8	Son	—	Minnesota
15	Marian Kemper	7	Daughter	—	Minnesota
16	Dale Kemper	2	Son	—	Minnesota
17	Bernard Pieper	57	Head	Farmer	Iowa
18	Effie Pieper	51	Wife	—	Iowa
19	Clifford Pieper	22	Son	—	South Dakota
20	Doris Pieper	14	Daughter	—	South Dakota
21	Donna Jean Pieper	9	Daughter	—	South Dakota
22	Robert Knips	39	Head	Farmer	Minnesota
23	Viola Knips	35	Wife	—	Minnesota
24	Robert Jr. Knips	11	Son	—	Minnesota
25	Earl Knips	8	Son	—	Minnesota
26	Betty Ann Knips	6	Daughter	—	Minnesota
27	Bonnie Jean Knips	1	Daughter	—	Minnesota
28	John Klindworth	89	Head	—	Germany
29	Christina Klindworth	77	Wife	—	Germany
30	Bertha Thompson THIS PERSON	80	Head	—	Norway
31	Joseph Thompson	55	Son	Farmer	Minnesota
32	Lester Thompson	38	Son	Laborer	Minnesota
33	Henry Tonsch	75	Head	—	Luxemburg
34	John Giesen	57	Head	Farmer	Iowa
35	Howard Norris	47	Head	Farmer	Iowa
36	Elizabeth Norris	47	Wife	—	Iowa
37	Bernard Holten	43	Head	Farmer	Nebraska
38	Freda Holten	27	Wife	—	Minnesota
39	Verlin Holten	0	Son	—	Minnesota
40	Mike Sweeney	55	Head	Farmer	Minnesota

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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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