John Lucas — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Greene-County, Indiana

Our Model Tree links this John Lucas across the 1920, 1930 and 1940 US Censuses in Greene-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 4-person household.

Age 36 b. ~1904 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Greene-County, Indiana
Surname	Lucas
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Linton City
1935 Residence (County)	Greene
Additional Details
Occupation	Driller
Industry	Coal Company
Class of Worker	PW
Hours Worked	4
Income (1939)	1055
Highest Grade	No 8
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Driller
Township / Ward	Linton City
Est. Birth Year	~1904

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
Barbara Lucas	Daughter	—	9	~1931
John Lucas	Head	—	36	~1904
Norman Lucas	Son	—	15	~1925
Iresa Lucas	Spouse	—	34	~1906

Census Appearances

1920

Greene, Indiana

Other, age 15

Greene, Indiana · implied b. ~1905 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lucas
Given Name	John
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	15
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Gen. laborer
Industry	Farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Greene, Indiana

Head, age 26

Greene, Indiana · implied b. ~1904 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lucas
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	19
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Miner
Industry	Coal Mine
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	10
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Greene-County, Indiana

Head, age 36

Greene-County, Indiana · implied b. ~1904 — 4 household members

Surname	Lucas
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Linton City
1935 Residence (County)	Greene
Occupation	Driller
Industry	Coal Company
Class of Worker	PW
Hours Worked	4
Income (1939)	1055
Highest Grade	No 8
1935 Residence	Same House
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links John Lucas 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 Lucas

Head · 1940 · age 36 · b. ~1904 · 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 — Greene-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01049-00508)

Line	Name	Age	Relation	Occupation	Birthplace
1	Andrew Mazoyer	40	Head	Laborer	France
2	Muriel Mazoyer	40	Wife	—	Indiana
3	James Tannehill	14	Step son	—	Indiana
4	Sanford Branson	75	Head	—	Indiana
5	Sarah Branson	69	Wife	—	Indiana
6	Sarah F. Smith	80	Head	—	Indiana
7	Chester Smith	56	Son	Laborer	Indiana
8	James Lucas	67	Head	—	Indiana
9	Flossie Lucas	67	Wife	—	Indiana
10	Thomas Alderson	28	Head	Laborer	Indiana
11	Thelma Alderson	27	Wife	—	Indiana
12	Joe Ed Alderson	7	Son	—	Indiana
13	Virginia Lee Alderson	2	Daughter	—	Indiana
14	John Shaw	62	Head	Laborer	England
15	Mable Shaw	57	Wife	—	Indiana
16	Esther Shaw	34	Daughter	Teacher	Indiana
17	Burl Morrison	45	Head	Truck Driver	Indiana
18	Elnease Morrison	36	Wife	—	Indiana
19	Robert Morrison	15	Son	—	Indiana
20	Harold Morrison	13	Son	—	Indiana
21	Margaret Morrison	12	Daughter	—	Indiana
22	Mary Morrison	11	Daughter	—	Indiana
23	Betty Morrison	9	Daughter	—	Indiana
24	Johnny Mack Morrison	7	Son	—	Indiana
25	Helen Morrison	5	Daughter	—	Indiana
26	John Lucas THIS PERSON	36	Head	Driller	Indiana
27	Iresa Lucas	34	Wife	—	Missouri
28	Norman Lucas	15	Son	—	Indiana
29	Barbara Lucas	9	Daughter	—	Indiana
30	Harlen Puckett	37	Head	Operator	Indiana
31	Vivian Puckett	31	Wife	—	Indiana
32	Beverly Brown	8	Daughter	—	Indiana
33	Milton J. Centera	50	Head	Laborer	Kentucky
34	Nellie Centera	57	Wife	—	Indiana
35	David Murdock	61	Head	Laborer	Scotland
36	Elizabeth Murdock	50	Sister	—	Indiana
37	Beverly Alexander	63	Head	Laborer	France
38	Opal Turpin	34	Head	Laborer	Indiana
39	Gertrude Turpin	30	Wife	—	Indiana
40	Paul Turpin	10	Son	—	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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