John Hendricks — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Kentucky

Our Model Tree links this John Hendricks across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 4-person household.

Age 38 b. ~1902 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Jefferson-County, Kentucky
Surname	Hendricks
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Additional Details
Occupation	Salesman
Industry	Motors
Class of Worker	PW
Hours Worked	40
Income (1939)	3600
Highest Grade	Hs 1
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Salesman
Township / Ward	Louisville City
Est. Birth Year	~1902

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
Mary Hendricks	Spouse	—	38	~1902
Alta Hendricks	Daughter	—	7	~1933
Richard Hendricks	Son	—	3	~1937
John Hendricks	Head	—	38	~1902

Census Appearances

1920

Jefferson, Kentucky

Other, age 16

Jefferson, Kentucky · implied b. ~1904 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hendrick
Given Name	John J.
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Office Boy
Industry	Telephone Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Jefferson, Kentucky

Head, age 27

Jefferson, Kentucky · implied b. ~1903

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Hendrick
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	16
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Proprietor
Industry	Grocery
Class of Worker	OA
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	20
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Jefferson-County, Kentucky

Head, age 38

Jefferson-County, Kentucky · implied b. ~1902 — 4 household members

Surname	Hendricks
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Louisville City
1935 Residence (County)	Jefferson
Occupation	Salesman
Industry	Motors
Class of Worker	PW
Hours Worked	40
Income (1939)	3600
Highest Grade	Hs 1
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links John Hendricks 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 Hendricks

Head · 1940 · age 38 · b. ~1902 · Kentucky

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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 — Jefferson-County, Kentucky Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01372-00689)

Line	Name	Age	Relation	Occupation	Birthplace
41	Celeste Jacot	60	Head	—	Kentucky
42	Odis Cooke	51	Head	Finisher	Kentucky
43	Edyth Cooke	49	Wife	—	Kentucky
44	Bess Robinson	76	Mother-in-law	—	Kentucky
45	Charles Smith	50	Head	Laborer	Kentucky
46	Margaret Smith	47	Wife	—	Kentucky
47	Edward Smith	20	Son	Has Not Worked	Kentucky
48	Margaret Smith	18	Daughter	—	Kentucky
49	Wilbur Smith	14	Son	—	Kentucky
50	Jean Smith	9	Daughter	—	Kentucky
51	Catherine Smith	5	Daughter	—	Kentucky
52	Loyd Minter	44	Head	Grinder	Kentucky
53	Marie Minter	42	Wife	—	Kentucky
54	Milo Wilson	48	Brother-in-law	—	Kentucky
55	Everett Wilson	34	Brother-in-law	Laborer	Indiana
56	Ida Von Donhoff	65	Head	Teacher	Indiana
57	Adolph Hallenburg	73	Brother-in-law	—	Kentucky
58	Palma Hallenburg	65	Sister	—	Kentucky
59	Gerald Ellis	62	Head	Line Man	W. Virginia
60	Eulah Ellis	67	Wife	—	Kentucky
61	Andrew Ellis	18	Son	Has Not Worked	Kentucky
62	Gerald Ellis	18	Son	Has Not Worked	Kentucky
63	Fannie Edmonds	72	Aunt	—	Tennessee
64	John Hendricks THIS PERSON	38	Head	Salesman	Indiana
65	Mary Hendricks	38	Wife	—	Kentucky
66	Alta Hendricks	7	Daughter	—	Kentucky
67	Richard Hendricks	3	Son	—	Kentucky
68	Lawrence Ploies	51	Head	Sprayer	Kentucky
69	Keaton Ploies	16	Son	—	Kentucky
70	Jewel Ploies	13	Daughter	—	Kentucky
71	Carrie Gresham	39	Maid	Housework	Kentucky
72	Altha Lien	40	Head	Spinner	Kentucky
73	Donald Lien	9	Son	—	Kentucky
74	John Whitenack	19	Son-in-law	Machinist	Kentucky
75	Helen Whitenack	17	Daughter	—	Kentucky
76	Joyce Whitenack	1	Granddaughter	—	Kentucky
77	Charles Wright	43	Head	Miller	Kentucky
78	Florence Wright	37	Wife	—	Indiana
79	Darnell Wright	14	Daughter	—	Kentucky
80	Adele Wright	10	Daughter	—	Kentucky

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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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