Robert Black — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Posey-County, Indiana

Our Model Tree links this Robert Black across the 1920, 1930 and 1940 US Censuses in Posey-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.

Age 74 b. ~1866 Male Head Born: Indiana Widowed

1940 Census Record Details

Census Year	1940
Location	Posey-County, Indiana
Surname	Black
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Black Township
1935 Residence (County)	Posey
Additional Details
Occupation	Dairyman
Industry	on Dairy Farm
Class of Worker	OA
Hours Worked	50
Income (1939)	0
Highest Grade	No 10
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Dairyman
Township / Ward	Black Township
Est. Birth Year	~1866

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 Robert	Age	Birth yr
Bettie Mills	Daughter	—	4	~1936
Robert Black	Head	—	74	~1866
Lou Black	Other	—	85	~1855
Rachael Mills	Other	—	24	~1916

Census Appearances

1920

Posey, Indiana

Other, age 54

Posey, Indiana · implied b. ~1866 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Black
Given Name	Robert
Relationship to Head	Brother
Sex	M
Color / Race	White
Age	54
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Kentucky
Mother's Birthplace	Pennsylvania
Occupation	Farm laborer
Industry	Home farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Posey, Indiana

Head, age 65

Posey, Indiana · implied b. ~1865 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Black
Given Name	Robert
Relationship to Head	head
Sex	M
Color / Race	White
Age	65
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Virginia
Mother's Birthplace	Pennsylvania
Occupation	farmer
Industry	dairy farm
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	1000
Veteran	O
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Posey-County, Indiana

Head, age 74

Posey-County, Indiana · implied b. ~1866 — 4 household members

Surname	Black
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Black Township
1935 Residence (County)	Posey
Occupation	Dairyman
Industry	on Dairy Farm
Class of Worker	OA
Hours Worked	50
Income (1939)	0
Highest Grade	No 10
1935 Residence	Same house
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Robert 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

Robert Black

Head · 1940 · age 74 · b. ~1866 · Indiana

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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 — Posey-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01087-00229)

Line	Name	Age	Relation	Occupation	Birthplace
1	Doris Stark	2	Daughter	—	Indiana
2	William Kerr	55	Head	Laborer	Kentucky
3	Elizabeth Kerr	44	Wife	—	Kentucky
4	Henry Kerr	22	Son	Painter	Illinois
5	Louise Kerr	20	Daughter	—	Illinois
6	William Kerr	16	Son	—	Illinois
7	Wilfred Thomas	42	Head	Farmer	Indiana
8	Agnes Thomas	32	Wife	—	Indiana
9	Joseph Thomas	11	Son	—	Indiana
10	Waunita Thomas	10	Daughter	—	Indiana
11	Mary L Thomas	9	Daughter	—	Indiana
12	Edward Thomas	8	Son	—	Indiana
13	Donald R Thomas	6	Son	—	Indiana
14	Harold W Thomas	5	Son	—	Indiana
15	Elyn Thomas	3	Son	—	Indiana
16	Virgil Thomas	1	Son	—	Indiana
17	Robert Black THIS PERSON	74	Head	Dairyman	Indiana
18	Lou Black	85	Sister	—	Indiana
19	Rachael Mills	24	Housekeeper	Housekeeper	Indiana
20	Bettie J Mills	4	Daughter	—	Indiana
21	George Bernd	79	Head	Farmer	Germany
22	Barbara Bernd	73	Wife	—	Germany
23	Freida Bernd	47	Daughter	Stenographer	Indiana
24	Elizabeth Black	41	Daughter	—	Indiana
25	John R Black	19	Son	Farmer	Indiana
26	Ralph Curtis	46	Head	Farmer	Indiana
27	Nora Curtis	47	Wife	—	Indiana
28	William H Curtis	20	Son	Laborer	Indiana
29	Raymond T Curtis	19	Son	Laborer	Indiana
30	William E Linen	74	Head	Retired Farmer	Indiana
31	William Marvel	45	Head	Laborer	Kentucky
32	Ellen Marvel	48	Wife	—	Kentucky
33	Delmer Marvel	20	Son	Laborer	Kentucky
34	Vernon Marvel	18	Son	Laborer	Kentucky
35	Kathern Marvel	13	Daughter	—	Kentucky
36	Emma C Marvel	10	Daughter	—	Kentucky
37	William C Marvel	7	Son	—	Kentucky
38	William M Roach	58	Head	Laborer	Indiana
39	Mary Roach	50	Wife	—	Mississippi
40	John B Roach	23	Son	Laborer	Indiana

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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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