Martin Nelson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kandiyohi-County, Minnesota

Our Model Tree links this Martin Nelson across the 1920, 1930 and 1940 US Censuses in Kandiyohi-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 5-person household.

Age 54 b. ~1886 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Kandiyohi-County, Minnesota
Surname	Nelson
Given Name	Martin
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Willmar
1935 Residence (County)	Kandiyohi
Additional Details
Occupation	Mason
Industry	Building Construction
Class of Worker	PW
Income (1939)	1000
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Occupation	Mason
Township / Ward	Willmar
Est. Birth Year	~1886

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 Martin	Age	Birth yr
Martin Nelson	Head	—	54	~1886
Lee Nelson	Son	—	19	~1921
B Nelson	Son	—	23	~1917
Margaret Nelson	Daughter	—	14	~1926
Bertha Nelson	Spouse	—	48	~1892

Census Appearances

1920

Kandiyohi, Minnesota

Head, age 33

Kandiyohi, Minnesota · implied b. ~1887 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Martin C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Mason
Industry	Concrete Work
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Norwegian
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Kandiyohi, Minnesota

Head, age 44

Kandiyohi, Minnesota · implied b. ~1886 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Nelson
Given Name	Martin C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	22
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Salesman
Industry	Retail grocery
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	6000
Veteran	No
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Kandiyohi-County, Minnesota

Head, age 54

Kandiyohi-County, Minnesota · implied b. ~1886 — 5 household members

Surname	Nelson
Given Name	Martin
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Willmar
1935 Residence (County)	Kandiyohi
Occupation	Mason
Industry	Building Construction
Class of Worker	PW
Income (1939)	1000
Highest Grade	Hs 2
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links Martin 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

Martin Nelson

Head · 1940 · age 54 · b. ~1886 · 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 — Kandiyohi-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01930-00618)

Line	Name	Age	Relation	Occupation	Birthplace
1	Vivian Dolvan	34	Head	Home Management Supervisor	Minnesota
2	B Gordon Dolvan	6	Son	—	Wisconsin
3	Robert C Dolvan	4	Son	—	Minnesota
4	Esther Thorpe	26	Maid	Maid	Minnesota
5	Charles L Mattson	30	Head	Sales Clerk	Minnesota
6	Laurene Mattson	29	Wife	Teacher	Minnesota
7	Anne Lien	68	Head	—	Wisconsin
8	Martin Nelson THIS PERSON	54	Head	Mason	Minnesota
9	Bertha Nelson	48	Wife	—	Iowa
10	B Myron Nelson	23	Son	Clerk	Iowa
11	Lee Verne Nelson	19	Son	—	Minnesota
12	Margaret Nelson	14	Daughter	—	Minnesota
13	Ray Richardson	29	Head	Carpenter	North Dakota
14	Mae Richardson	23	Wife	—	North Dakota
15	Donald Richardson	1	Son	—	North Dakota
16	Oliver Haugen	31	Head	Attendant	North Dakota
17	Alice Haugen	30	Wife	—	North Dakota
18	Evelyn Yoakum	20	Maid	Maid	Minnesota
19	Janice J Holtz	1	Daughter	—	Minnesota
20	George Ottelness	70	Head	Attorney	Minnesota
21	Zylpha Ottelness	61	Wife	—	Canada English
22	O O Ulvin	72	Head	—	Wisconsin
23	Ulvin	56	Wife	—	North Dakota
24	Charlotte Flockforth	42	Lodger	Waitress	South Dakota
25	John B Iled	4	Son	—	Minnesota
26	Clifford Egland	17	Son	—	Minnesota
27	Gary Hagen	2	Son	—	Minnesota
28	Bruce C Whitmore	21	Lodger	Distributor	Minnesota
29	A L Bjerke	22	Head	Barber	Minnesota
30	Ruby E Bjerke	28	Wife	Beautician	Indiana
31	Randi Brono	80	Head	—	Norway
32	Ethel Jacobson	50	Servant	—	Minnesota
33	John Foshager	73	Head	—	Minnesota
34	Lucinda Olson	71	Sister	—	Minnesota
35	Clarence D Anderson	36	Head	Minister	Kansas
36	Margaret V Anderson	30	Wife	—	Minnesota
37	Lorbell Anderson	3	Son	—	Nebraska
38	Emina Johnson	19	Lodger	—	Minnesota
39	Arthur G Erickson	47	Head	Industrial Arts Teacher	Minnesota
40	Ollie Erickson	47	Wife	—	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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