John Black — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Harris-County, Texas

Our Model Tree links this John Black across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 4-person household.

Age 58 b. ~1882 Male Head Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Harris-County, Texas
Surname	Black
Given Name	John Q.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Houston
1935 Residence (County)	Harris
Additional Details
Occupation	Brick layer
Industry	Building industry
Class of Worker	OA
Hours Worked	10
Income (1939)	426
Highest Grade	No 6
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Occupation	Brick Layer
Township / Ward	Houston
Est. Birth Year	~1882

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
Julie Bailey	Daughter	—	32	~1908
John Black	Head	—	58	~1882
Norman Bailey	Other	—	27	~1913
Susie Black	Spouse	—	56	~1884

Census Appearances

1920

Harris, Texas

Head, age 37

Harris, Texas · implied b. ~1883 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Black
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	North Carolina
Mother's Birthplace	North Carolina
Occupation	Brick Mason
Industry	General House
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Harris, Texas

Head, age 48

Harris, Texas · implied b. ~1882 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Black
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	18
Father's Birthplace	North Carolina
Mother's Birthplace	North Carolina
Occupation	Brick layer
Industry	Houses
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1500
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Harris-County, Texas

Head, age 58

Harris-County, Texas · implied b. ~1882 — 4 household members

Surname	Black
Given Name	John Q.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	Houston
1935 Residence (County)	Harris
Occupation	Brick layer
Industry	Building industry
Class of Worker	OA
Hours Worked	10
Income (1939)	426
Highest Grade	No 6
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links John Black 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 Black

Head · 1940 · age 58 · b. ~1882 · Texas

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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 — Harris-County, Texas Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-04192-00150)

Line	Name	Age	Relation	Occupation	Birthplace
41	Henry E. Collins	53	Head	Police Officer	Texas
42	Jamie H. Collins	51	Wife	—	Mississippi
43	John Q. Black THIS PERSON	58	Head	Brick Layer	Minnesota
44	Susie G. Black	56	Wife	—	Georgia
45	Norman L. Bailey	27	Son-in-law	Service Man	Texas
46	Julie E. Bailey	32	Daughter	Cashier	Mississippi
47	Luther M. Nichols	33	Head	Property Appraiser	Texas
48	Helen B. Nichols	24	Wife	—	Texas
49	Barbara N. Nichols	6	Daughter	—	Texas
50	Lois F. Van Riper	34	Head	Credit Manager	Louisiana
51	Shirley Van Riper	27	Wife	Office Worker	Texas
52	George B. Thomas	29	Head	House Doctor	Texas
53	Elsie B. Thomas	26	Wife	—	Texas
54	Georgia E. Thomas	3	Daughter	—	Texas
55	Grace R. Mcvey	53	Head	Draper Maker	Kansas
56	Brownell R. Coy	34	Head	Painter	Texas
57	Zella M. Coy	31	Wife	—	Texas
59	Torrence W. Russell	54	Head	Pattern Maker	Texas
60	Sophia A. Russell	49	Wife	—	Arkansas
61	Edwin J. Russell	26	Son	—	Texas
62	Tracy Q. Peil	60	Head	—	Texas
63	Juanita Peil	27	Daughter	Secretary	Texas
64	Barbara Addison	24	Lodger	Bookkeeper	Mississippi
65	William P. Magill	28	Head	Manager	Texas
66	Ethel Magill	27	Wife	—	Texas
67	Mary E. Burke	60	Mother-in-law	—	Oklahoma
68	Charley Y. Swanson	55	Head	Switchman	Louisiana
69	Gertrude Swanson	45	Wife	—	Texas
70	Bernice Schmidt	25	Lodger	Office Clerk	Texas
71	Hazel Groom	19	Lodger	Waitress	Oklahoma
72	Mary Petros	23	Partner	Saleslady	Texas
73	Milo T. Ramey	31	Head	Salesman	Texas
74	Addie H. Ramey	30	Wife	—	Texas
75	Holland H. Ramey	28	Brother	Fireman	Texas
76	Hazel E. Ramey	26	Sister-in-law	—	Texas
77	Homer V. Wilcoxon	34	Head	Mechanic	Texas
78	Elsie A. Wilcoxon	33	Wife	—	Texas
79	Norma J. Wilcoxon	15	Daughter	—	Texas
80	James A. Wilcoxon	9	Son	—	Texas

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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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