John Decker — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Campbell-County, Kentucky

Our Model Tree links this John Decker across the 1920, 1930 and 1940 US Censuses in Campbell-County, Kentucky (XGBoost, ~Confirmed), with identified parents Peter & Rose — first a head (b.~1918), then head of a 3-person household.

Age 22 b. ~1918 Male Head Born: Kentucky Married

1940 Census Record Details

Census Year	1940
Location	Campbell-County, Kentucky
Surname	Decker
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Newport City
1935 Residence (County)	Campbell
Additional Details
Occupation	Normalizer
Industry	Rolling Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	78
Highest Grade	No 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky
Occupation	Normalizer
Township / Ward	Newport City
Est. Birth Year	~1918

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
Dorothy Decker	Spouse	—	21	~1919
John Decker	Head	—	22	~1918
Gary Decker	Son	—	2	~1938

Census Appearances

1920

Campbell, Kentucky

Son, age 2

Campbell, Kentucky · implied b. ~1918 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Decker
Given Name	John Peter
Relationship to Head	Son
Sex	M
Color / Race	White
Age	2
Marital Status	Single
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1930

Campbell, Kentucky

Son, age 12

Campbell, Kentucky · implied b. ~1918 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Decker
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Kentucky
Father's Birthplace	Kentucky
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

1940

Campbell-County, Kentucky

Head, age 22

Campbell-County, Kentucky · implied b. ~1918 — 3 household members

Surname	Decker
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	22
Marital Status	Married
Birthplace	Kentucky
1935 Residence (City)	Newport City
1935 Residence (County)	Campbell
Occupation	Normalizer
Industry	Rolling Mill
Class of Worker	PW
Hours Worked	40
Income (1939)	78
Highest Grade	No 8
1935 Residence	Same place
Birth State	Kentucky
Birth Country	United States
Birthplace (normalized)	kentucky

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Peter Decker

b. ~1878

Source father

● Household · direct · ~0.92

Mother

Rose Decker

b. ~1886

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Decker

Head · 1940 · age 22 · b. ~1918 · 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 — Campbell-County, Kentucky Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01289-00763)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alina Schwalbach	49	Wife	Seamstress	Kentucky
2	William Thompson	25	Head	Helper	Kentucky
3	Lillian Thompson	27	Wife	—	W. Virginia
4	Harry Burkey	69	Head	—	Ohio
5	Mathilda Burkey	67	Wife	—	Ohio
6	Margaret Stephens	73	Head	—	Ohio
7	William Winterhalter	32	Head	Repairman	Kentucky
8	Ola Winterhalter	27	Wife	—	Kentucky
9	Faye Winterhalter	6	Daughter	—	Kentucky
10	Arden Winterhalter	2	Son	—	Kentucky
11	John Decker THIS PERSON	22	Head	Normalizer	Kentucky
12	Dorothy Decker	21	Wife	Operator	Ohio
13	Gary Decker	2	Son	—	Kentucky
14	Minnie Strange	40	Head	Housework	Kentucky
15	Ruth Strange	20	Daughter	Waitress	Kentucky
16	Helen Strange	16	Daughter	—	Kentucky
17	Barrett Strange	14	Son	—	Kentucky
18	Elsa Barker	32	Head	Electrician	Kentucky
19	William Barker	45	Head	Foreman	Kentucky
20	Della Barker	44	Wife	—	Kentucky
21	William Jr Barker	23	Son	Driver	Kentucky
22	Emma Lunsford	72	Mother-in-law	—	Kentucky
23	Ann Barlow	55	Head	—	Kentucky
24	Emma Barlow	53	Sister	Supervisor	Kentucky
25	Rebecca Crosswaite	62	Head	—	Kentucky
26	Alvin Crosswaite	44	Son	Clerk	Kentucky
27	James Crosswaite	33	Son	Clerk	Kentucky
28	Louis Jr Crosswaite	33	Son	—	Kentucky
29	Grant White	53	Head	Dyer	Ohio
30	Lourena White	50	Wife	—	Kentucky
31	Victoria Ullrich	74	Mother-in-law	—	Kentucky
32	Harry Andrews	28	Head	Driver	Kentucky
33	Thelma Andrews	24	Wife	—	Ohio
34	Gertrude Ullrich	35	Head	Cook	Kentucky
35	Edward Harthun	48	Head	Assembler	Ohio
36	Frances Harthun	46	Wife	—	Kentucky
37	Harthun	14	Daughter	—	Kentucky
38	Albert Barone	25	Head	Presser	Kentucky
39	Rosemary Barone	23	Wife	Timekeeper	Kentucky
40	William Plannert	45	Head	Driver	Kentucky

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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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