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James Jacobs — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Logan-County, Ohio

Our Model Tree links this James Jacobs across the 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.

Age 19 b. ~1921 Male Son Born: Kentucky Single

1940 Census Record Details

Census Year1940
LocationLogan-County, Ohio
SurnameJacobs
Given NameJames
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceKentucky
1935 Residence (City)R
1935 Residence (County)Logan
Additional Details
OccupationDragline
Industrysoil conservation
Class of WorkerPW
Hours Worked25
Income (1939)300
Highest Grade8
1935 ResidenceOhio
Birth StateKentucky
Birth CountryUnited States
Birthplace (normalized)kentucky
OccupationDragline
Township / WardRushcreek Twp
Est. Birth Year~1921

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.

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

Name Relation to head Relative to James Age Birth yr
Dorothy Jacobs Daughter — 3 ~1937
Hallie Jacobs Spouse — 36 ~1904
George Jacobs Head — 41 ~1899
James Jacobs Son — 19 ~1921
George Jacobs Son — 12 ~1928
Helena Jacobs Daughter — 1 ~1939
Carl Jacobs Son — 7 ~1933

Census Appearances

1930
Logan, Ohio
Other, age 8
Logan, Ohio · implied b. ~1922 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Jacobs
Given Name James
Relationship to Head grandson
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace Kentucky
Father's Birthplace Ohio
Mother's Birthplace Kentucky
Can Read/Write Yes
Birth State Kentucky
Birth Country United States
Birthplace (normalized) kentucky
1940
Logan-County, Ohio
Son, age 19
Logan-County, Ohio · implied b. ~1921 — 7 household members
Surname Jacobs
Given Name James
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace Kentucky
1935 Residence (City) R
1935 Residence (County) Logan
Occupation Dragline
Industry soil conservation
Class of Worker PW
Hours Worked 25
Income (1939) 300
Highest Grade 8
1935 Residence Ohio
Birth State Kentucky
Birth Country United States
Birthplace (normalized) kentucky

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links James Jacobs across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Jacobs
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
George Jacobs
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Jacobs
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Jacobs
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jacobs
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Logan-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03100-00737)

Line Name Age Relation Occupation Birthplace
1 Jessie Green 31 Head Servant Ohio
2 Mabel Green 31 Wife — Ohio
3 Kenneth Green 13 Son — Ohio
4 Elmer Fitus 22 Boarder Servant Ohio
5 Maggie Yuthaney 63 Head — Ohio
6 Myron G. Dempsey 34 Head Tenant Operator Ohio
7 Mabel S. Dempsey 31 Wife — Ohio
8 Betty Jean Dempsey 12 Daughter — Ohio
9 Alva M. Dempsey 10 Son — Ohio
10 Richard Dempsey 4 Son — Ohio
11 Lloyd Shaffer 50 Head Owner Operator Ohio
12 Bella E. Shaffer 45 Wife — Ohio
13 Paul Shaffer 22 Son Operator Ohio
14 Ray Adams 3 Grandson — Ohio
15 Fredrick Adams 1 Grandson — Ohio
16 Charles Mcadams 56 Lodger — Ohio
17 Donald Smith 20 Man Laborer Ohio
18 Pauline Davis 23 Girl Laborer Ohio
19 Grover C. Ansley 54 Head Owner Operator Ohio
20 Minnie Ansley 52 Wife — Ohio
21 George Ansley 23 Son Assistant Operator Ohio
22 Paul R. Ansley 18 Son Assistant Operator Ohio
23 Sarah M. Ansley 17 Daughter — Ohio
24 George Jacobs 41 Head Laborer Ohio
25 Hallie Jacobs 36 Wife — Kentucky
26 James Jacobs THIS PERSON 19 Son Dragline Kentucky
27 George Jr. Jacobs 12 Son — Kentucky
28 Carl R. Jacobs 7 Son — Ohio
29 Dorothy M. Jacobs 3 Daughter — Ohio
30 Helena Jacobs 1 Daughter — Ohio
31 Fred Spouting 48 Head Tenant Operator Ohio
32 Olive Spouting 46 Wife — Ohio
33 Edwin Spouting 21 Son Manager Ohio
34 Lois E. Spouting 13 Daughter — Ohio
35 Steven Whitlatch 21 Son Farmer Ohio
36 Doris Whitlatch 19 Daughter — Ohio
37 Harvey J. Lowery 64 Head Operator Ohio
38 Winifred Lowery 61 Wife — Ohio
39 Henry Rosebrough 60 Head Labourer Ohio
40 Lydia Rosebrough 61 Wife — Ohio

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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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