John Armstrong — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Oswego-County, New York

Our Model Tree links this John Armstrong across the 1920, 1930 and 1940 US Censuses in Oswego-County, New York (XGBoost, ~Confirmed), with identified parents Harry & Mabel — first a head (b.~1917), then head of a 3-person household.

Age 23 b. ~1917 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Oswego-County, New York
Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Oswego c.
1935 Residence (County)	Oswego
Additional Details
Occupation	Track Driver
Industry	Modern Deliv
Class of Worker	PW
Hours Worked	28
Income (1939)	750
Highest Grade	H 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Track Driver
Township / Ward	Oswego C
Est. Birth Year	~1917

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	—	23	~1917
John Armstrong	Son	—	5	~1935
Sarah Armstrong	Spouse	—	20	~1920

Census Appearances

1920

Oswego, New …

Son, age 3

Oswego, New York · implied b. ~1917 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	3
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Oswego, New …

Son, age 13

Oswego, New York · implied b. ~1917 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	John H.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	13
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Oswego-County, New …

Head, age 23

Oswego-County, New York · implied b. ~1917 — 3 household members

Surname	Armstrong
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Oswego c.
1935 Residence (County)	Oswego
Occupation	Track Driver
Industry	Modern Deliv
Class of Worker	PW
Hours Worked	28
Income (1939)	750
Highest Grade	H 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

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 Harry Armstrong (~0.92 confidence) and mother Mabel Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Harry Armstrong

b. ~1889

Source father

● Household · direct · ~0.92

Mother

Mabel Armstrong

b. ~1891

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Armstrong

Head · 1940 · age 23 · b. ~1917 · New York

★ You are viewing this record

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Oswego-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02715-00243)

Line	Name	Age	Relation	Occupation	Birthplace
41	Francis Desens	39	Head	Welder	New York
42	Louise Desens	29	Wife	Stenographer	New York
43	John Armstrong THIS PERSON	23	Head	Track Driver	New York
44	Sarah Armstrong	20	Wife	—	New York
45	John Armstrong	5	Son	—	New York
46	Helen Cahill	54	Head	Mach Oper	New York
47	Harry Mcmanus	25	Head	Steam Fitter	New York
48	Julia Mcmanus	26	Wife	—	New York
49	Nancy Mcmanus	5	Daughter	—	New York
50	Frances Suckul	22	Sister in law	Fountaineer	New York
51	Harold Woods	41	Head	Night Watchman	New York
52	Edward Woods	73	Father	—	New York
53	Catherine Woods	69	Mother	—	New York
54	Ella Mccarthy	86	Head	—	Ont Can
55	Isabelle Mccarthy	62	Daughter	—	New York
56	Charles Santamour	68	Brother	Engineer	Ont Can
57	Teresa Schilling	63	Head	—	New York
58	Anna Schilling	52	Sister	Bookkeeper	New York
59	Louise Sullivan	41	Niece	—	New York
60	Frank Mandigo	53	Head	Laborer	New York
61	Mildred Mandigo	30	Wife	—	New York
62	Mary E. Casey	65	Head	Clerk	New York
63	Anastasia Casey	55	Sister	Clerk	New York
64	Frank E. Mullen	49	Head	Superintendent	New York
65	Mary Mullen	45	Wife	—	New York
66	John Mullen	21	Son	Stenographer	New York
67	Mary Louise Mullen	19	Daughter	—	New York
68	Susanne Mullen	17	Daughter	—	New York
69	James Mullen	15	Son	—	New York
70	Thomas Walpole	40	Head	Comp. Mixer	New York
71	Beatrice Walpole	35	Wife	—	New York
72	James Walpole	16	Son	N.Y.A.	New York
73	Florence Walpole	12	Daughter	—	New York
74	Mary Ellen Walpole	10	Daughter	—	New York
75	Thomas Walpole	9	Son	—	New York
76	Theresa Walpole	8	Daughter	—	New York
77	Beverley Walpole	5	Daughter	—	New York
78	Robert Walpole	3	Son	—	New York
79	Louis Anderson	58	Uncle	Laborer	New York
80	William Demers	30	Head	Mach Oper	Italy

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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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