John Jackson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Madison-County, Idaho

Our Model Tree links this John Jackson across the 1920, 1930 and 1940 US Censuses in Madison-County, Idaho (XGBoost, ~Confirmed), with identified parents John & Eliza — first a son (b.~1904), then head of a 2-person household.

Age 36 b. ~1904 Male Son Born: Idaho Divorced

1940 Census Record Details

Census Year	1940
Location	Madison-County, Idaho
Surname	Jackson
Given Name	John N.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	36
Marital Status	Divorced
Birthplace	Idaho
1935 Residence (City)	Archer
1935 Residence (County)	Madison
Additional Details
Occupation	Labour
Industry	Farm
Class of Worker	PW
Hours Worked	60
Income (1939)	166
Highest Grade	H 2
1935 Residence	Same place
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho
Occupation	Labour
Township / Ward	Archer
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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Eliza Jackson	Head	—	68	~1872
John Jackson	Son	—	36	~1904

Census Appearances

1920

Madison, Idaho

Son, age 16

Madison, Idaho · implied b. ~1904 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jackson
Given Name	John W
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Idaho
Father's Birthplace	Utah
Mother's Birthplace	Utah
Occupation	Laborer
Industry	General farm
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1930

Madison, Idaho

Son, age 26

Madison, Idaho · implied b. ~1904 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jackson
Given Name	John N.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Idaho
Age at First Marriage	22
Father's Birthplace	Utah
Mother's Birthplace	Utah
Occupation	Farmer
Industry	Gen. Farm
Class of Worker	W
Can Read/Write	Yes
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1940

Madison-County, Idaho

Son, age 36

Madison-County, Idaho · implied b. ~1904 — 2 household members

Surname	Jackson
Given Name	John N.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	36
Marital Status	Divorced
Birthplace	Idaho
1935 Residence (City)	Archer
1935 Residence (County)	Madison
Occupation	Labour
Industry	Farm
Class of Worker	PW
Hours Worked	60
Income (1939)	166
Highest Grade	H 2
1935 Residence	Same place
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

John Jackson

b. ~1867

Source father

● Household · direct · ~0.92

Mother

Eliza Jackson

b. ~1872

Source mother

● Household · direct · ~0.92

This person

Anchor record

John Jackson

Son · 1940 · age 36 · b. ~1904 · Idaho

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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 — Madison-County, Idaho Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00750-00581)

Line	Name	Age	Relation	Occupation	Birthplace
41	Verl Wilcox	12	Grandson	—	Idaho
42	Marshall Grover	34	Head	Farmer	Idaho
43	Verna Grover	35	Wife	—	Idaho
44	Clayton Grover	10	Son	—	Idaho
45	Berniece Grover	8	Daughter	—	Idaho
46	Anne Olson	85	Head	—	Sweden
47	Lennis Burns	43	Head	Farmer	Utah
48	Mable Burns	45	Wife	—	Utah
49	Keith Burns	20	Son	Labour	Idaho
50	Dora Burns	17	Daughter	—	Idaho
51	Beulah Burns	15	Daughter	—	Idaho
52	Alvin Burns	13	Son	—	Idaho
53	Wayne Burns	4	Son	—	Idaho
54	Ross Byrne	23	Head	Farmer	Idaho
55	Joyce Byrne	20	Wife	—	Idaho
56	Gordon Madsen	21	Lodger	Labour	Idaho
57	Russell Grover	25	Head	Farmer	Idaho
58	Lurdeen Grover	25	Wife	—	Idaho
59	Teresa Grover	2	Daughter	—	Idaho
60	William Squires	38	Head	Farmer	Idaho
61	Elizabeth Squires	40	Wife	—	Idaho
62	Eileen Squires	10	Daughter	—	Idaho
63	Lavar Squires	6	Son	—	Idaho
64	Milton Squires	33	Head	Farmer	Idaho
65	Cora Squires	30	Wife	—	Idaho
66	Cora Lee Squires	8	Daughter	—	Idaho
67	Bryant Squires	6	Son	—	Idaho
68	Infant Squires	0	Daughter	—	Idaho
69	William Squires	75	Head	Farmer	Utah
70	Zelpha Squires	69	Wife	—	Utah
71	Ray Smith	57	Head	Farmer	Utah
72	Pauline Smith	54	Wife	—	Germany
73	Alta Smith	18	Daughter	—	Idaho
74	Eliza Jackson	68	Head	—	Utah
75	John N. Jackson THIS PERSON	36	Son	Labour	Idaho
76	Charles Weeks	43	Head	Farmer	Idaho
77	Rose Lena Weeks	36	Wife	—	Idaho
78	Lee Charles Weeks	15	Son	Labour	Idaho
79	Clive Weeks	12	Son	—	Idaho
80	Marie Weeks	8	Daughter	—	Idaho

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Pedigree Summary

John

Gen 1 · 2 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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