John Peters — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Clinton-County, Iowa

Our Model Tree links this John Peters across the 1920, 1930 and 1940 US Censuses in Clinton-County, Iowa (XGBoost, ~Confirmed), with identified parents Herman & Mary — first a head (b.~1904), then head of a 5-person household.

Age 36 b. ~1904 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Clinton-County, Iowa
Surname	Peters
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	R
1935 Residence (County)	Jackson
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 7
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Occupation	Farmer
Township / Ward	De Witt Twp
Est. Birth Year	~1904

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 John	Age	Birth yr
Joanne Peters	Daughter	—	10	~1930
Patricia Peters	Daughter	—	6	~1934
John Peters	Head	—	36	~1904
Alton Harlow	Other	—	24	~1916
Bernice Peters	Spouse	—	34	~1906

Census Appearances

1920

Clinton, Iowa

Son, age 16

Clinton, Iowa · implied b. ~1904 — 14 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peters
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Iowa
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Clinton, Iowa

Head, age 26

Clinton, Iowa · implied b. ~1904 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peters
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	23
Father's Birthplace	Iowa
Mother's Birthplace	Iowa
Occupation	Farmer
Industry	General farm
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Clinton-County, Iowa

Head, age 36

Clinton-County, Iowa · implied b. ~1904 — 5 household members

Surname	Peters
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	R
1935 Residence (County)	Jackson
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	0
Highest Grade	No 7
1935 Residence	Iowa
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Model Tree available

Our Model Tree links John Peters across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herman Peters (~0.92 confidence) and mother Mary Peters (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Herman Peters

b. ~1870

Source father

● Household · direct · ~0.92

Mother

Mary Peters

b. ~1871

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Peters

Head · 1940 · age 36 · b. ~1904 · 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 — Clinton-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01151-00089)

Line	Name	Age	Relation	Occupation	Birthplace
1	Kenneth Mcdonald	14	Son	—	Iowa
2	Francis Mcclimon	40	Head	Farmer	Iowa
3	Genevieve Mcclimon	43	Wife	—	Pennsylvania
4	Harry Grief	42	Head	Farmer	Iowa
5	Eva Grief	36	Wife	—	Iowa
6	Robert Grief	14	Son	Farmer	Iowa
7	Donald Grief	11	Son	—	Iowa
8	Mary Grief	5	Daughter	—	Iowa
9	Alice Grief	4	Daughter	—	Iowa
10	John Peters THIS PERSON	36	Head	Farmer	Iowa
11	Bernice Peters	34	Wife	—	Iowa
12	Joanne Peters	10	Daughter	—	Iowa
13	Patricia Peters	6	Daughter	—	Iowa
14	Alton Harlow	24	Hired Hand	Farm Laborer	Texas
15	Leo Farber	40	Head	Farmer	Iowa
16	Margaret Farber	35	Wife	—	Iowa
17	Bart Neal	26	Hired Hand	Farm Laborer	Iowa
18	Charles Goodall	45	Head	Farmer	Iowa
19	Mary Goodall	41	Wife	—	Iowa
20	Raymond Goodall	20	Son	Farmer	Iowa
21	J. Clement Goodall	16	Son	—	Iowa
22	Helen Goodall	13	Daughter	—	Iowa
23	Frank Whither	28	Head	Farmer	Iowa
24	Geraldine Whither	25	Wife	—	Iowa
25	Richard Whither	3	Son	—	Iowa
26	Angus Whither	52	Father	—	Iowa
27	Ida Whither	48	Mother	—	Iowa
28	Donald Oesterberg	36	Head	Farmer	Iowa
29	Mona Oesterberg	29	Wife	—	Iowa
30	Donna Oesterberg	4	Daughter	—	Iowa
31	Darlene Oesterberg	2	Daughter	—	Iowa
32	Robert Track	24	Head	Farm Laborer	Iowa
33	Bernadine Track	20	Wife	—	Iowa
34	James Track	3	Son	—	Iowa
35	Sylvester Knutsen	24	Roomer	Farm Laborer	Iowa
36	Hazel Harrington	41	Head	Dairy Owner	Iowa
37	Marjorie Harrington	18	Daughter	Typist & File Clerk	Iowa
38	Charles Harrington	11	Son	—	Iowa
39	Freeland Barber	52	Head	Farmer	Iowa
40	Elsie Barber	40	Wife	—	Iowa

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Pedigree Summary

John

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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