John Armstrong — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this John Armstrong across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Eugene & Irene — first a head (b.~1914), then head of a 3-person household.

Age 26 b. ~1914 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Norwood City
1935 Residence (County)	Hamilton
Additional Details
Occupation	Lithographer
Industry	Card Mfg.
Class of Worker	PW
Hours Worked	40
Income (1939)	1100
Highest Grade	H 2
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Lithographer
Township / Ward	Norwood City
Est. Birth Year	~1914

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 Armstrong	Head	—	26	~1914
Gerald Armstrong	Son	—	1	~1939
Lois Armstrong	Spouse	—	24	~1916

Census Appearances

1920

Hamilton, Ohio

Son, age 3

Hamilton, Ohio · implied b. ~1917 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John A.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	3
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Hamilton, Ohio

Son, age 14

Hamilton, Ohio · implied b. ~1916 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John
Relationship to Head	son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	none
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Hamilton-County, Ohio

Head, age 26

Hamilton-County, Ohio · implied b. ~1914 — 3 household members

Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Norwood City
1935 Residence (County)	Hamilton
Occupation	Lithographer
Industry	Card Mfg.
Class of Worker	PW
Hours Worked	40
Income (1939)	1100
Highest Grade	H 2
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Eugene Armstrong

b. ~1885

Source father

● Household · direct · ~0.92

Mother

Irene Armstrong

b. ~1891

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Armstrong

Head · 1940 · age 26 · b. ~1914 · Ohio

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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 — Hamilton-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03078-00875)

Line	Name	Age	Relation	Occupation	Birthplace
1	Eugene Kellner	11	Son	—	Ohio
2	John Brill	60	Head	Watchman	Ohio
3	Anna Brill	55	Wife	—	Ohio
4	Norman Brill	32	Son	Rubber Worker	Ohio
5	Arthur K. Palm	56	Head	Painter	Ohio
6	Eleanor Palm	55	Wife	—	Ohio
7	Roy Ferguson	54	Head	City Fireman	Penn
8	Mary Ferguson	44	Wife	—	Ohio
9	Roy Ferguson	23	Son	Laborer	Ohio
10	Mary Ferguson	16	Daughter	—	Ohio
11	Eugene Snider	28	Head	Maintence	Ohio
12	Viola Snider	27	Wife	—	Ohio
13	Marlene Snider	3	Daughter	—	Ohio
14	Eugene Jr. Snider	1	Son	—	Ohio
15	Lester Anderson	35	Head	Truck Driver	Ohio
16	Ethel Anderson	39	Wife	—	Ohio
17	Fred Klein	29	Head	Glazier	Ohio
18	Dorothy Klein	25	Wife	—	California
19	John Klein	5	Son	—	Ohio
20	Louis Klein	3	Son	—	Ohio
21	Casper Fabre	32	Head	Maintence	Ohio
22	Virginia Fabre	28	Wife	—	Ohio
23	Ronald Fabre	7	Son	—	Ohio
24	Beverly Fabre	5	Daughter	—	Ohio
25	John Armstrong THIS PERSON	26	Head	Lithographer	Ohio
26	Lois Armstrong	24	Wife	—	Indiana
27	Gerald Armstrong	1	Son	—	Ohio
28	William Flynn	56	Head	Watchman	Ireland
29	Catherine Flynn	55	Wife	—	Ireland
30	Ann Flynn	21	Daughter	Operator	Ohio
31	William Costello	48	Head	Laborer	Ohio
32	Virginia Costello	42	Wife	—	Ohio
33	William Jr. Costello	16	Son	—	Ohio
34	Thelma Costello	16	Daughter	—	Ohio
35	Lee Costello	12	Son	—	Michigan
36	Charles Costello	3	Son	—	Ohio
37	Grover Becker	52	Head	Trimmer	Kentucky
38	Rosie Becker	40	Wife	—	Russia
39	Lester Becker	17	Son	—	Kentucky
40	Lawrence Becker	15	Son	—	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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