John Gray — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Kalamazoo-County, Michigan

Our Model Tree links this John Gray across the 1920, 1930 and 1940 US Censuses in Kalamazoo-County, Michigan (XGBoost, ~Confirmed), with identified parents Thomas — first a head (b.~1906), then head of a 4-person household.

Age 34 b. ~1906 Male Head Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	Kalamazoo-County, Michigan
Surname	Gray
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Alamo Twp
1935 Residence (County)	Kalamazoo
Additional Details
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Farmer
Township / Ward	Alamo Twp
Est. Birth Year	~1906

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
Lillian Gray	Daughter	—	13	~1927
John Gray	Head	—	34	~1906
Donald Gray	Son	—	16	~1924
Hazel Gray	Spouse	—	37	~1903

Census Appearances

1920

Kalamazoo, Michigan

Son, age 17

Kalamazoo, Michigan · implied b. ~1903 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Scotland
Mother's Birthplace	Michigan
Occupation	Farm Laborer
Industry	At Home
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Kalamazoo, Michigan

Head, age 27

Kalamazoo, Michigan · implied b. ~1903 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	21
Father's Birthplace	Scotland
Mother's Birthplace	Michigan
Occupation	Farmer
Industry	General Farm
Class of Worker	VVVV
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Kalamazoo-County, Michigan

Head, age 34

Kalamazoo-County, Michigan · implied b. ~1906 — 4 household members

Surname	Gray
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Alamo Twp
1935 Residence (County)	Kalamazoo
Occupation	Farmer
Industry	Farm
Class of Worker	OA
Hours Worked	40
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Thomas Gray

b. ~1863

Source father

● Household · direct · ~0.92

This person

Anchor record

John Gray

Head · 1940 · age 34 · b. ~1906 · 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 — Kalamazoo-County, Michigan Open full size

Page Contents

34 people indexed on this census page (nara:1940:m-t0627-01770-00034)

Line	Name	Age	Relation	Occupation	Birthplace
41	Hattie Grosvent	40	Wife	—	Michigan
42	Paul Grosvent	14	Son	—	Michigan
43	Pauley Hopkins	53	Head	Beaterman	Michigan
44	Jennie Hopkins	50	Wife	Inspector	Canada
45	Constance Hopkins	15	Daughter	—	Michigan
46	John Gray THIS PERSON	34	Head	Farmer	Michigan
47	Hazel Gray	37	Wife	—	Michigan
48	Donald Gray	16	Son	—	Michigan
49	Lillian Gray	13	Daughter	—	Michigan
50	Harry Cone	49	Head	Vender Clerk	Michigan
51	Paula Cone	36	Wife	House Work	New York
52	Maynard Reynolds	51	Head	—	Michigan
53	Willard Henry	53	Head	—	Michigan
54	Florence Henry	52	Wife	—	Kansas
55	Menno Veld	51	Head	Maintenance	Netherlands
56	Stella Veld	50	Wife	—	Netherlands
57	John Veld	15	Son	—	Minnesota
58	Melvin Veld	13	Son	—	Michigan
59	Garrett Veld	11	Son	—	Michigan
60	Marian Veld	9	Daughter	—	Michigan
61	Earl Briggs	31	Head	Farmer	Michigan
62	Hazel Briggs	32	Wife	—	Ohio
63	Robert Briggs	10	Son	—	Michigan
64	Dorothy Briggs	8	Daughter	—	Michigan
65	Leonard Porter	18	Hired man	Laborer	Michigan
66	John Vanderhoff	62	Head	Farmer	Michigan
67	Ernest Van Wagner	62	Head	Farmer	Michigan
68	Allie Meister	58	Head	Calender Man	Ohio
69	Kathryn Cramer	48	Head	Farmer	Michigan
70	Priscilla Thrasher	67	Head	—	Michigan
71	Wilford Thrasher	20	Son	—	Michigan
72	Adeline Thrasher	19	Son	—	Michigan
73	Herbert Thrasher	16	Son	—	Michigan
74	Eugene Thrasher	14	Son	—	Michigan

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Pedigree Summary

John

Gen 1 · 1 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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