John Thompson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Lamar-County, Texas

Our Model Tree links this John Thompson across the 1920, 1930 and 1940 US Censuses in Lamar-County, Texas (XGBoost, ~Confirmed), with identified parents John — first a head (b.~1902), then head of a 6-person household.

Age 38 b. ~1902 Male Head Born: Texas Married

1940 Census Record Details

Census Year	1940
Location	Lamar-County, Texas
Surname	Thompson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	J. P. 6
1935 Residence (County)	LAMAR
Additional Details
Occupation	Manager
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	520
Highest Grade	No 8
1935 Residence	Same House
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas
Occupation	Manager
Township / Ward	J P 6
Est. Birth Year	~1902

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Wanda Thompson	Daughter	—	13	~1927
Betty Thompson	Daughter	—	12	~1928
Linda Thompson	Daughter	—	5	~1935
John Thompson	Head	—	38	~1902
Lloyd Thompson	Son	—	8	~1932
Ethel Thompson	Spouse	—	36	~1904

Census Appearances

1920

Lamar, Texas

Son, age 18

Lamar, Texas · implied b. ~1902 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	Texas
Father's Birthplace	Texas
Mother's Birthplace	Texas
Occupation	Farm Laborer
Industry	Home Farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1930

Lamar, Texas

Head, age 28

Lamar, Texas · implied b. ~1902 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Texas
Age at First Marriage	24
Father's Birthplace	Texas
Mother's Birthplace	Texas
Occupation	Farm laborer
Industry	General farm
Class of Worker	VVVV
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

1940

Lamar-County, Texas

Head, age 38

Lamar-County, Texas · implied b. ~1902 — 6 household members

Surname	Thompson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Texas
1935 Residence (City)	J. P. 6
1935 Residence (County)	LAMAR
Occupation	Manager
Industry	Farm
Class of Worker	OA
Hours Worked	60
Income (1939)	520
Highest Grade	No 8
1935 Residence	Same House
Birth State	Texas
Birth Country	United States
Birthplace (normalized)	texas

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Thompson

b. ~1863

Source father

● Household · direct · ~0.92

This person

Anchor record

John Thompson

Head · 1940 · age 38 · b. ~1902 · 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 — Lamar-County, Texas Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04090-00320)

Line	Name	Age	Relation	Occupation	Birthplace
41	Billy Pierson	5	Son	—	Texas
42	William Yates	48	Head	Laborer	Missouri
43	Mary Yates	46	Wife	—	Missouri
44	James Yates	24	Son	Laborer	Missouri
45	John Yates	19	Son	Laborer	Missouri
46	Genevia Yates	16	Daughter	—	Missouri
47	Lee Yates	13	Son	—	Missouri
48	Ruby Yates	10	Daughter	—	Missouri
49	George Yates	7	Son	—	Missouri
50	Billy Yates	4	Son	—	Missouri
51	T. N. Mcdowell	46	Head	Laborer	Missouri
52	Edna Mcdowell	26	Wife	—	Missouri
53	Mary M. Mcdowell	8	Daughter	—	Missouri
54	Thomas Mcdowell	6	Son	—	Missouri
55	Clarence Mcdowell	4	Son	—	Missouri
56	Billy Mcdowell	1	Son	—	Missouri
57	Thomas Garland	16	Head	Laborer	Texas
58	Ettamae Garland	15	Wife	—	Texas
59	Henry Robinson	29	Head	Laborer	Oklahoma
60	Lela Robinson	32	Wife	—	Texas
61	Frances Robinson	14	Son	—	Texas
62	Roosevelt Robinson	7	Son	—	Texas
63	Henry Robinson	1	Son	—	Texas
64	John Thompson THIS PERSON	38	Head	Manager	Texas
65	Ethel Thompson	36	Wife	—	Texas
66	Wanda Thompson	13	Daughter	—	Texas
67	Betty Jo Thompson	12	Daughter	—	Texas
68	Lloyd Thompson	8	Son	—	Texas
69	Linda Thompson	5	Daughter	—	Texas
70	George Taylor	69	Head	Laborer	Texas
71	Tina Taylor	46	Wife	—	Texas
72	Eldridge Taylor	18	Son	—	Texas
73	Thilvia Lemons	47	Head	—	Texas
74	John Lemons	23	Son	—	Texas
75	Columbus Milligan	50	Head	Laborer	Texas
76	Beulah Milligan	46	Wife	Manager	Texas
77	Woodrow Milligan	25	Son	—	Texas
78	Helen Milligan	14	Daughter	Laborer	Texas
79	Troy Kilgore	25	Head	—	Texas
80	Virginia Kilgore	18	Wife	Teacher	Texas

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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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