John Kennedy — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Knox-County, Nebraska

Our Model Tree links this John Kennedy across the 1920, 1930 and 1940 US Censuses in Knox-County, Nebraska (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 4-person household.

Age 71 b. ~1869 Male Head Born: Iowa Married

1940 Census Record Details

Census Year	1940
Location	Knox-County, Nebraska
Surname	Kennedy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	71
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Creighton City
Additional Details
Class of Worker	0
Hours Worked	0
Highest Grade	H-1
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Creighton City
Est. Birth Year	~1869

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Eileen Kennedy	Daughter	—	29	~1911
John Kennedy	Head	—	71	~1869
Paul Kennedy	Son	—	32	~1908
Mary Kennedy	Spouse	—	64	~1876

Census Appearances

1920

Knox, Nebraska

Head, age 50

Knox, Nebraska · implied b. ~1870 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kennedy
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Retired
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Knox, Nebraska

Head, age 61

Knox, Nebraska · implied b. ~1869 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kennedy
Given Name	John W.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	30
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	5500
Radio Set	R
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1940

Knox-County, Nebraska

Head, age 71

Knox-County, Nebraska · implied b. ~1869 — 4 household members

Surname	Kennedy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	71
Marital Status	Married
Birthplace	Iowa
1935 Residence (City)	Creighton City
Class of Worker	0
Hours Worked	0
Highest Grade	H-1
1935 Residence	Same place
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links John Kennedy 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 Kennedy

Head · 1940 · age 71 · b. ~1869 · Nebraska

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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 — Knox-County, Nebraska Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02252-00597)

Line	Name	Age	Relation	Occupation	Birthplace
1	Floyd Kemnitz	42	Head	Clerk	Nebraska
2	Helen Kemnitz	23	Wife	—	Nebraska
3	Jimmie Kemnitz	3	Son	—	Nebraska
4	Pete Carroll	36	Head	Proprietor	Nebraska
5	Marguerite Carroll	42	Wife	Cashier & Clerk At Liquor Store	France
6	Marguerite Clark	19	Step-daughter	—	Texas
7	Harris Clark	17	Step-son	—	Texas
8	Harold Seamen	30	Head	Butcher	Nebraska
9	Loretta Seamen	28	Wife	—	South Dakota
10	Gerald Seamen	4	Son	—	South Dakota
11	Larry Seamen	2	Son	—	Nebraska
12	Irene Nielsen	60	Head	—	Denmark
13	Evelyn Vreeman	25	Lodger	Secretarial	Nebraska
14	John Kennedy THIS PERSON	71	Head	—	Iowa
15	Mary Kennedy	64	Wife	—	New Jersey
16	Paul Kennedy	32	Son	Clerk	Nebraska
17	Eileen Kennedy	29	Daughter	Clerk	Nebraska
18	Steve Mattern	84	Head	—	Illinois
19	Mary Mattern	82	Wife	—	Indiana
20	Guy Earnest	64	Head	Laborer	California
21	Levada Earnest	55	Wife	—	Nebraska
22	Lethelda Earnest	18	Daughter	—	Nebraska
23	Anna Stevens	68	Head	—	Iowa
24	Lydia Strunquist	62	Head	—	Iowa
25	Mabel Strunquist	40	Daughter	—	Nebraska
26	Frank R. Carroll	55	Head	Auctioneer	Nebraska
27	Laura Carroll	50	Wife	—	Nebraska
28	Albert Bertschinger	70	Head	—	Switzerland
29	Mary Bertschinger	54	Wife	—	Nebraska
30	Rosa Bertschinger	58	Sister	—	Switzerland
31	Francis Pries	46	Head	Trucking	Nebraska
32	Elsie Pries	48	Wife	—	Iowa
33	Herman Schaefer	33	Head	Repairwork	Nebraska
34	Sophie Schaefer	33	Wife	—	Nebraska
35	Jackie Schaefer	10	Son	—	Nebraska
36	Donald Schaefer	8	Son	—	Nebraska
37	Philip Schaefer	6	Son	—	Nebraska
38	Herman Schaefer	1	Son	—	Nebraska
39	Isabella Ehrenberg	65	Head	—	Illinois
40	Russell Ehrenberg	29	Son	—	Nebraska

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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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