Martha Nelson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Carlton-County, Minnesota

Our Model Tree links this Martha Nelson across the 1920, 1930 and 1940 US Censuses in Carlton-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 2-person household.

Age 68 b. ~1872 Female Head Born: Sweden Widowed

1940 Census Record Details

Census Year	1940
Location	Carlton-County, Minnesota
Surname	Nelson
Given Name	Martha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	Sweden
1935 Residence (City)	Mahtowa Township
1935 Residence (County)	Carlton
Naturalization Status	Naturalized
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same House
Birth Country	Sweden
Birthplace (normalized)	sweden
Occupation	Farmer
Township / Ward	Mahtowa Township
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.

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

Name	Relation to head	Relative to Martha	Age	Birth yr
Olga Nelson	Daughter	—	36	~1904
Martha Nelson	Head	—	68	~1872

Census Appearances

1920

Carlton, Minnesota

Head, age 48

Carlton, Minnesota · implied b. ~1872 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Martha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	48
Marital Status	Widowed
Birthplace	Sweden
Year of Immigration	1893
Naturalization Status	Naturalized
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Occupation	Farmer
Industry	General Farm
Class of Worker	OA
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth Country	Sweden
Year of Naturalization	1898
Birthplace (normalized)	sweden

1930

Carlton, Minnesota

Head, age 59

Carlton, Minnesota · implied b. ~1871 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Martha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Sweden
Naturalization Status	Naturalized
Year of Immigration	1893
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Mother Tongue	Swedish
Home Owned/Rented	O
Radio Set	R
Birth Country	Sweden
Birthplace (normalized)	sweden

1940

Carlton-County, Minnesota

Head, age 68

Carlton-County, Minnesota · implied b. ~1872 — 2 household members

Surname	Nelson
Given Name	Martha
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	Sweden
1935 Residence (City)	Mahtowa Township
1935 Residence (County)	Carlton
Naturalization Status	Naturalized
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same House
Birth Country	Sweden
Birthplace (normalized)	sweden

Model Tree

Linked across censuses

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

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This person

Anchor record

Martha Nelson

Head · 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 — Carlton-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01910-00435)

Line	Name	Age	Relation	Occupation	Birthplace
41	Franklin D. Strandberg	6	Son	—	Minn
42	Beverly A. Strandberg	2	Daughter	—	Minn
43	Inga M. Strandberg	84	Mother	—	Sweden
44	Robert V. Strandberg	16	Second Cousin	—	Minn
45	Earl W. Carlson	25	Head	Farmer	Minn
46	Virginia R. Carlson	20	Wife	—	Minn
47	Algot Bengtson	58	Head	Farmer	Sweden
48	Emma Bengtson	45	Wife	—	Minn
49	Russel Bengtson	19	Son	New Worker	Minn
50	Mathilda Carlson	65	Head	Farmer	Sweden
51	Olga Larum	40	Daughter	—	Sweden
52	Eleanor Larum	15	Granddaughter	—	Minn
53	Harold Larum	13	Grandson	—	Minn
54	Halene Larum	10	Granddaughter	—	Minn
55	John Carlson	74	Head	—	Norway
56	Thea Carlson	72	Wife	—	Norway
57	Hanna Carlson	44	Daughter	Housekeeper	Minn
58	Fred Carlson	39	Head	Farmer	Minn
59	Helga Carlson	27	Wife	—	Minn
60	Martha Nelson THIS PERSON	68	Head	Farmer	Sweden
61	Olga C. Nelson	36	Daughter	—	Minn
62	Mahlon C. Williams	64	Head	—	Kentucky
63	Ivy M. Williams	54	Wife	—	Minn
64	Lee E. Williams	19	Son	Surveying	Minn
65	Grant Fawkner	26	Head	—	Mo.
66	John H. Ziehl	71	Head	Farmer	Minn
67	Emma M. Ziehl	69	Wife	—	Wisc.
68	Bernard Olson	22	Lodger	Laborer	Minn
69	Albert E. Carlson	54	Head	Farmer	Wisc.
70	K. Silvia Carlson	50	Wife	—	Sweden
71	Carl E. Carlson	27	Son	Farmer	Minn
72	Virgil A. Carlson	25	Son	Laborer	Minn
73	Albin W. Carlson	23	Son	Clerk	Minn
74	Clarence N. Carlson	20	Son	Mechanic	Minn
75	Lawrence D. Carlson	17	Son	—	Minn
76	Victor R. Carlson	15	Son	—	Minn
77	Donald E. Carlson	8	Son	—	Minn
78	Per Bengtson	54	Head	Farmer	Sweden
79	Sofia Bengtson	53	Wife	—	Sweden
80	Herman Bengtson	27	Son	Egg Candler	Sweden

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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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