Nels Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Pottawattamie-County, Iowa

Our Model Tree links this Nels Johnson across the 1920, 1930 and 1940 US Censuses in Pottawattamie-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 5-person household.

Age 51 b. ~1889 Male Head Born: Arizona Married

1940 Census Record Details

Census Year	1940
Location	Pottawattamie-County, Iowa
Surname	Johnson
Given Name	Nels P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Arizona
1935 Residence (City)	R
1935 Residence (County)	Pottawattamie
Additional Details
Occupation	Manager
Industry	Real Estate
Class of Worker	OA
Hours Worked	56
Income (1939)	0
Highest Grade	8
1935 Residence	Iowa
Birth State	Arizona
Birth Country	United States
Birthplace (normalized)	arizona
Occupation	Manager
Township / Ward	Underwood
Est. Birth Year	~1889

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 Nels	Age	Birth yr
Nels Johnson	Head	—	51	~1889
Anna Johnson	Spouse	—	50	~1890
Norma Johnson	Daughter	—	11	~1929
Kenneth Johnson	Son	—	9	~1931
Glen Johnson	Son	—	25	~1915

Census Appearances

1920

Pottawattamie, Iowa

Head, age 31

Pottawattamie, Iowa · implied b. ~1889 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Nels P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	31
Marital Status	Married
Birthplace	Arizona
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	Farmer
Industry	General farm
Class of Worker	Em
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Danish
Birth State	Arizona
Birth Country	United States
Year of Naturalization	F
Birthplace (normalized)	arizona

1930

Harrison, Iowa

Head, age 41

Harrison, Iowa · implied b. ~1889 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Nels
Relationship to Head	Head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Arizona
Age at First Marriage	20
Father's Birthplace	Denmark
Mother's Birthplace	Denmark
Occupation	none
Can Read/Write	Yes
Home Owned/Rented	R
Radio Set	R
Birth State	Arizona
Birth Country	United States
Birthplace (normalized)	arizona

1940

Pottawattamie-County, Iowa

Head, age 51

Pottawattamie-County, Iowa · implied b. ~1889 — 5 household members

Surname	Johnson
Given Name	Nels P.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Arizona
1935 Residence (City)	R
1935 Residence (County)	Pottawattamie
Occupation	Manager
Industry	Real Estate
Class of Worker	OA
Hours Worked	56
Income (1939)	0
Highest Grade	8
1935 Residence	Iowa
Birth State	Arizona
Birth Country	United States
Birthplace (normalized)	arizona

Model Tree

Linked across censuses

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

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This person

Anchor record

Nels Johnson

Head · 1940 · age 51 · b. ~1889 · Iowa

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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 — Pottawattamie-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01199-00851)

Line	Name	Age	Relation	Occupation	Birthplace
1	Anna Hansen	41	Wife	—	Iowa
2	David Demitz	28	Head	Farmer	Iowa
3	Doris Demitz	29	Wife	—	Oklahoma
4	Diana Demitz	1	Daughter	—	Iowa
5	Mary Hurd	59	Head	—	Iowa
6	Edward Whiting	12	Nephew	—	Nebraska
7	Nels P. Johnson THIS PERSON	51	Head	Manager	Arizona
8	Anna Johnson	50	Wife	—	Denmark
9	Norma Jean Johnson	11	Daughter	—	Iowa
10	Kenneth Johnson	9	Son	—	Iowa
11	Glen H. Johnson	25	Son	Missionary	Iowa
12	Laurits Bondo	30	Head	Salesman	Iowa
13	Iris Bondo	24	Wife	—	Oklahoma
14	Allen Bondo	3	Son	—	Nebraska
15	Lynn Bondo	1	Son	—	Iowa
16	Theodore Dose	32	Head	Yard Man	Iowa
17	Ruth Dose	25	Wife	—	Iowa
18	Lawrence Pitkin	38	Head	Salesman	Iowa
19	Laura Pitkin	66	Mother	—	Virginia
20	Clarence Pitkin	27	Brother	—	Iowa
21	William Miller	36	Head	Automobile Mechanic	Iowa
22	Cora Miller	32	Wife	—	Iowa
23	Richard Miller	9	Son	—	Iowa
24	William Farrell	82	Head	—	Illinois
25	Louisa Farrell	73	Wife	—	Pennsylvania
26	William J. Farrell	43	Brother	Carpenter	Iowa
27	Raymond Farrell	42	Son	Maintainer	Iowa
28	Bernice Farrell	18	Grand daughter	—	Iowa
29	Adolph J. Thiele	43	Head	Section Hand	Iowa
30	Laura Thiele	39	Wife	—	Iowa
31	Glenn Thiele	19	Son	—	Iowa
32	Alice Mae Thiele	10	Daughter	—	Iowa
33	Margaret Hickman	61	Mother	—	Iowa
34	Hardy Charles	35	Head	Truck Driver	Iowa
35	Mabel Charles	27	Wife	—	Iowa
36	Wayne Charles	7	Son	—	Iowa
37	Betty Charles	5	Daughter	—	Iowa
38	Donald Charles	3	Son	—	Iowa
39	Dale Charles	1	Son	—	Iowa
40	Merlyn Ross	22	Head	Trucking	Iowa

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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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