John Lang — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Worth-County, Iowa

Our Model Tree links this John Lang across the 1920, 1930 and 1940 US Censuses in Worth-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.

Age 59 b. ~1881 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Worth-County, Iowa
Surname	Lang
Given Name	John H
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Grove Township
1935 Residence (County)	Worth
Naturalization Status	Naturalized
Additional Details
Occupation	farmer
Industry	farming
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Farmer
Township / Ward	Grove Township
Est. Birth Year	~1881

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 John	Age	Birth yr
John Lang	Head	—	59	~1881
Arthur Lang	Son	—	25	~1915
Minnie Lang	Spouse	—	53	~1887

Census Appearances

1920

Worth, Iowa

Head, age 39

Worth, Iowa · implied b. ~1881 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lange
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Germany
Year of Immigration	1884
Naturalization Status	Naturalized
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Farmer
Industry	Farming
Class of Worker	Em
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	german
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth Country	Germany
Birthplace (normalized)	germany

1930

Worth, Iowa

Head, age 49

Worth, Iowa · implied b. ~1881 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lang
Given Name	John H.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Germany
Age at First Marriage	25
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Farmer
Industry	Gen Farm
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	O
Birth Country	Germany
Birthplace (normalized)	germany

1940

Worth-County, Iowa

Head, age 59

Worth-County, Iowa · implied b. ~1881 — 3 household members

Surname	Lang
Given Name	John H
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Grove Township
1935 Residence (County)	Worth
Naturalization Status	Naturalized
Occupation	farmer
Industry	farming
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

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

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This person

Anchor record

John Lang

Head · 1940 · age 59 · b. ~1881 · 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 — Worth-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01217-00203)

Line	Name	Age	Relation	Occupation	Birthplace
1	Selmer T Mandt	39	Head	Operator	Iowa
2	June I Mandt	19	Wife	—	Iowa
3	Sharon J Mandt	0	Daughter	—	Iowa
4	Sidney Harmond	32	Hired hand	Laborer	Illinois
5	John H Lang THIS PERSON	59	Head	Farmer	Germany
6	Minnie M Lang	53	Wife	—	Illinois
7	Arthur H Lang	25	Son	Laborer	Iowa
8	William H Ripley	69	Head	—	Michigan
9	Mary E Ripley	70	Wife	—	Iowa
10	Gladys M Ripley	40	Daughter	Teacher	Iowa
11	Lester E Gullikson	30	Head	Farmer	Iowa
12	Irene A Gullikson	26	Wife	—	Iowa
13	Deloris Gullikson	4	Daughter	—	Iowa
14	Kenneth Gullikson	3	Son	—	Iowa
15	Conrad A Johnson	26	Head	Farmer	Iowa
16	Genevieve Johnson	23	Wife	—	Iowa
17	Irene Jensen	27	Lodger	Teacher	Iowa
18	Harry L Temple	47	Head	Farmer	Iowa
19	Blanch S Temple	42	Wife	—	Iowa
20	Harry M Temple	16	Son	—	Iowa
21	Erick Temple	74	Father	—	Wisconsin
22	William E Wardall	59	Head	Farmer	Iowa
23	Sallie B Wardall	40	Wife	—	Texas
24	Grace D Wardall	25	Daughter	—	Oklahoma
25	Thomas W Wardall	15	Son	—	Iowa
26	Mary L Wardall	83	Mother	—	Iowa
27	Ormango S Butler	47	Head	Farmer	Minnesota
28	Ella M Butler	47	Wife	—	Iowa
29	Robert O Butler	9	Son	—	Iowa
30	Elmer Flatness	30	Hired hand	Laborer	Iowa
31	Albert C Gullikson	63	Head	Farmer	Iowa
32	Agnes M Gullikson	41	Wife	—	Minnesota
33	Roland D Gullikson	20	Son	Laborer	North Dakota
34	Archard S Gullikson	17	Son	—	North Dakota
35	Darwin A Gullikson	11	Son	—	North Dakota
36	Dorthy A Gullikson	5	Daughter	—	Iowa
37	Albert L Senti	41	Head	Farmer	Iowa
38	Anna Senti	41	Wife	—	Norway
39	Mary M Senti	8	Daughter	—	Iowa
40	Leland Johnson	32	Hired hand	Laborer	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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