John Knight — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this John Knight across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1853), then head of a 5-person household.

Age 87 b. ~1853 Male Head Born: Scotland Widowed

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Knight
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	87
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 6
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Detroit
Est. Birth Year	~1853

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Kate Ray	Daughter	—	61	~1879
John Knight	Head	—	87	~1853
Edwin Ray	Other	—	52	~1888
Marjorie Barnard	Other	—	15	~1925
Thomas Barnard	Other	—	54	~1886

Census Appearances

1920

Wayne, Michigan

Head, age 66

Wayne, Michigan · implied b. ~1854 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Knight
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1910
Naturalization Status	First papers filed
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Watchman
Industry	Auto Factory
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Wayne, Michigan

Other, age 77

Wayne, Michigan · implied b. ~1853 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Knight
Given Name	John
Relationship to Head	Father-in-law
Sex	M
Color / Race	White
Age	77
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1910
Age at First Marriage	20
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Wayne-County, Michigan

Head, age 87

Wayne-County, Michigan · implied b. ~1853 — 5 household members

Surname	Knight
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	87
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 6
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

Our Model Tree links John Knight 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 Knight

Head · 1940 · age 87 · b. ~1853 · Michigan

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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 — Wayne-County, Michigan Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01879-00057)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mamie Wilson	64	Aunt	—	Ohio
42	Harry Douglas	77	Lodger	—	Illinois
43	Mamie Polanger	61	Head	—	Michigan
44	Marvin Polanger	33	Son	Timekeeper	Michigan
45	Russell Tasker	37	Son-in-law	Crane Keeper	Michigan
46	Marian Tasker	30	Daughter	—	Michigan
47	James Payer	25	Head	Core Fitter	Michigan
48	Stella Payer	30	Sister	Packer	Michigan
49	Joseph Payer	27	Brother	Assembler	Michigan
50	Charles Lamb	60	Head	Stack Man	Michigan
51	Charlotte Lamb	58	Wife	—	Michigan
53	John Knight THIS PERSON	87	Head	—	Scotland
54	Kate Ray	61	Daughter	—	Scotland
55	Edwin Ray	52	Son-in-law	Piston Ring Operator	England
56	Thomas A. Barnard	54	Grandson	—	England
57	Marjorie Barnard	15	Granddaughter	—	Michigan
58	Joseph Schmidt	60	Head	Tool And Dye	France
59	Mary Schmidt	55	Wife	—	Michigan
60	Louise Schmidt	22	Daughter	Comptometer Operator	Michigan
61	Edward Schmidt	20	Son	Usher	Michigan
62	Walter J. Du Vall	69	Head	—	Michigan
63	Helen Du Vall	67	Wife	—	Massachusetts
64	Henry R. Du Vall	45	Son	Machinist	Michigan
65	Mabel Du Vall	44	Daughter-in-law	—	Canada-English
66	Alice H. Du Vall	32	Daughter	Special Teacher	Michigan
67	Doris Du Vall	30	Daughter	Clerical	Michigan
68	Andrew Ilnath	49	Head	Metal Finisher	Hungary
69	Elizabeth Ilnath	56	Wife	—	Hungary
70	Lester Cox	31	Head	Printer	Kentucky
71	Lee Cox	37	Wife	—	Kentucky
72	Robert L. Cox	6	Son	—	Michigan
73	Augusta Butzier	53	Head	—	Michigan
74	George Kelley	34	Head	Grinding Machine	English
75	Doris Kelley	34	Wife	—	Canada-English
76	Paul Kelley	12	Son	—	Michigan
77	John Hutchinson	36	Head	Granite Cutter	Iowa
78	Lizzie Hutchinson	31	Wife	—	Colorado
79	John J. Hutchinson	14	Son	—	Iowa
80	Doris Hutchinson	12	Daughter	—	Iowa

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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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