Robert Jacobs — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Lewis-County, Idaho

Our Model Tree links this Robert Jacobs across the 1920, 1930 and 1940 US Censuses in Lewis-County, Idaho (XGBoost, ~Confirmed), with identified parents H & Nicholas — first a head (b.~1904), then head of a 3-person household.

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

1940 Census Record Details

Census Year	1940
Location	Lewis-County, Idaho
Surname	Jacobs
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Idaho
1935 Residence (City)	R
1935 Residence (County)	Lewis
Additional Details
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	50
Income (1939)	0
Highest Grade	8
1935 Residence	Idaho
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho
Occupation	Farmer
Township / Ward	West Precinct
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.

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

Name	Relation to head	Relative to Robert	Age	Birth yr
Veda Jacobs	Spouse	—	27	~1913
Nicholas Jacobs	Son	—	4	~1936
Robert Jacobs	Head	—	36	~1904

Census Appearances

1920

Lewis, Idaho

Son, age 16

Lewis, Idaho · implied b. ~1904 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jacobs
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Idaho
Father's Birthplace	Minnesota
Mother's Birthplace	Minnesota
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1930

Lewis, Idaho

Son, age 26

Lewis, Idaho · implied b. ~1904 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Jacobs
Given Name	Robert M.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	26
Marital Status	Single
Birthplace	Idaho
Father's Birthplace	Minnesota
Mother's Birthplace	Minnesota
Occupation	Manager
Industry	Farm
Class of Worker	W
Can Read/Write	Yes
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

1940

Lewis-County, Idaho

Head, age 36

Lewis-County, Idaho · implied b. ~1904 — 3 household members

Surname	Jacobs
Given Name	Robert
Relationship to Head	Head
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Idaho
1935 Residence (City)	R
1935 Residence (County)	Lewis
Occupation	Farmer
Industry	Farming
Class of Worker	OA
Hours Worked	50
Income (1939)	0
Highest Grade	8
1935 Residence	Idaho
Birth State	Idaho
Birth Country	United States
Birthplace (normalized)	idaho

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Father

H Jacobs

b. ~1861

Source father

● Household · direct · ~0.92

Father

Nicholas Jacobs

b. ~1860

Source father

● Household · direct · ~0.92

This person

Anchor record

Robert Jacobs

Head · 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 — Lewis-County, Idaho Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00750-00397)

Line	Name	Age	Relation	Occupation	Birthplace
41	Clinton Miller	34	Head	Farmer	Nebraska
42	Dorothy Miller	28	Wife	—	Idaho
43	Jack Wolfinger	48	Head	Farmer	Germany
44	A. G. Olson	57	Head	Farmer	Minnesota
45	Editha Olson	57	Wife	—	Idaho
46	Clarence Olson	25	Son	Farmer	Idaho
47	E. J. O'Rourke	43	Head	Farmer	Idaho
48	Hazel O'Rourke	43	Wife	—	Idaho
49	Riley O'Rourke	17	Son	—	Idaho
50	Robert Jacobs THIS PERSON	36	Head	Farmer	Idaho
51	Veda Jacobs	27	Wife	—	Montana
52	Nicholas Jacobs	4	Son	—	Idaho
53	W. B. Beickow	47	Head	Farmer	Washington
54	Gladys Beickow	38	Wife	—	Washington
55	Ross Beickow	12	Daughter	—	Idaho
56	Francis Beickow	11	Daughter	—	Idaho
57	Velma Beickow	8	Daughter	—	Idaho
58	Fredie Beickow	5	Son	—	Idaho
59	Virginia Beickow	3	Daughter	—	Idaho
60	Albert Patrick	13	Nephew	—	Idaho
61	Lloyd Marker	45	Head	Farmer	Washington
62	Laura Marker	45	Wife	—	Washington
63	Jack Marker	15	Son	—	Idaho
64	Rosemary Marker	13	Daughter	—	Idaho
65	Francis Marker	12	Son	—	Idaho
66	Danett Marker	10	Son	—	Idaho
67	Joan Marker	5	Daughter	—	Idaho
68	Jerry Marker	3	Son	—	Idaho
69	Nora Thaksen	65	Head	Farm Operator	Minnesota
70	Olga Bawdren	39	Daughter	—	Idaho
71	Irene Bawdren	37	Daughter	—	Idaho
72	John Bawdren	46	Son-in-law	Farming & Carpentry	Denmark
73	Lawrence Bawdren	5	Son	—	Canada
74	Elaine Bawdren	4	Daughter	—	Canada
75	Gary Bawdren	2	Son	—	Idaho
76	Floyd Olson	41	Head	Farmer	Idaho
77	Faye Olson	38	Wife	—	Ohio
78	Maggie Booth	67	Head	Farm Operator	Canada
79	Leonard Booth	37	Son	Farmer	Idaho
80	Elva Booth	35	Daughter	—	Idaho

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Pedigree Summary

Robert

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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