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Robert Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Robert Jacobs across the 1920, 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed), with identified parents Allison & Austin — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Jacobs |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cuyahoga Falls |
| Additional Details | |
| Occupation | Trimmer |
| Industry | Rubber Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Trimmer |
| Township / Ward | Cuyahoga Falls |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mildred Jacobs | Daughter | — | 22 | ~1918 |
| Pauline Jacobs | Daughter | — | 26 | ~1914 |
| Elizabeth Jacobs | Daughter | — | 17 | ~1923 |
| Frances Jacobs | Son | — | 20 | ~1920 |
| Jeanne Jacobs | Daughter | — | 15 | ~1925 |
| Augusta Jacobs | Spouse | — | 56 | ~1884 |
| Austin Jacobs | Head | — | 54 | ~1886 |
| Robert Jacobs | Son | — | 25 | ~1915 |
Census Appearances
1920
Summit, Ohio
Son, age 4
Summit, Ohio · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Summit, Ohio
Son, age 14
Summit, Ohio · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Son, age 25
Summit-County, Ohio · implied b. ~1915 — 8 household members
| Surname | Jacobs |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cuyahoga Falls |
| Occupation | Trimmer |
| Industry | Rubber Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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.
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 Allison Jacobs (~0.92 confidence) and father Austin Jacobs (~0.92 confidence) and father Austin Jacobs (~0.92 confidence) and mother Augusta Jacobs (~0.92 confidence) and mother Augusta Jacobs (~0.92 confidence) and mother Augusta Jacobs (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Allison Jacobs
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Austin Jacobs
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Austin Jacobs
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Augusta Jacobs
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Augusta Jacobs
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Augusta Jacobs
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jacobs
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Pauline Jacobs
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Jacobs
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Jacobs
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Jacobs
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanne Jacobs
Sibling · 1940 · age 15
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 — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03153-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth H. Corbus | 25 | Head | Laborer | Ohio |
| 2 | Isabel E. Corbus | 24 | Wife | Waitress | Ohio |
| 3 | Bessie B. Murer | 56 | Head | — | Ohio |
| 4 | Daniel R. Bartley | 49 | Head | Upholsterer | Ohio |
| 5 | Elaine M. Bartley | 23 | Daughter | — | Ohio |
| 6 | Earl M. Bartley | 21 | Son | Clerk | Ohio |
| 7 | Ray G. Bartley | 19 | Son | — | Ohio |
| 8 | Daniel R. Jr. Bartley | 14 | Son | — | Ohio |
| 9 | Forest H. Hemmerline | 48 | Head | Manager | Ohio |
| 10 | Bessie L. Hemmerline | 48 | Wife | — | Ohio |
| 11 | Sarah Russell | 55 | Maid | Housekeeper | New York |
| 12 | Austin F. Jacobs | 54 | Head | Welder | Ohio |
| 13 | Augusta E. Jacobs | 56 | Wife | — | Ohio |
| 14 | Pauline R. Jacobs | 26 | Daughter | Stenographer | Ohio |
| 15 | Robert J. Jacobs THIS PERSON | 25 | Son | Trimmer | Ohio |
| 16 | Mildred K. Jacobs | 22 | Daughter | Sec'T | Ohio |
| 17 | Frances A. Jacobs | 20 | Son | — | Ohio |
| 18 | Elizabeth J. Jacobs | 17 | Daughter | — | Ohio |
| 19 | Jeanne F. Jacobs | 15 | Daughter | — | Ohio |
| 20 | John H. Hess | 50 | Head | Attendant | Ohio |
| 21 | Bessie B. Hess | 49 | Wife | Teacher | Ohio |
| 22 | Christian J. Eisenman | 57 | Head | Foreman | Ohio |
| 23 | Irene M. Eisenman | 51 | Wife | — | Ohio |
| 24 | Irene F. Lauer | 18 | Niece | — | Ohio |
| 25 | Floyd D. Vergil | 33 | Head | Tile Setter | Ohio |
| 26 | Elinor R. Vergil | 29 | Wife | — | Ohio |
| 27 | Shirlee A. Vergil | 7 | Daughter | — | Ohio |
| 28 | Cecil M. Dearth | 47 | Head | Collector | Ohio |
| 29 | Sylvia G. Dearth | 48 | Wife | — | Ohio |
| 30 | Ernest J. Bauer | 50 | Head | Electrician | Ohio |
| 31 | Ida M. Bauer | 54 | Wife | — | Ohio |
| 32 | Shirley A. Bauer | 18 | Daughter | — | Wisconsin |
| 33 | Sylvester Radachin | 29 | Head | Machinist | Yugoslavia |
| 34 | Ann L. Radachin | 27 | Wife | — | Ohio |
| 35 | Christina L. Radachin | 2 | Daughter | — | Ohio |
| 36 | Arthur C. Liniette | 35 | Head | Chauffeur | W. Virginia |
| 37 | Alma M. Liniette | 26 | Wife | Checker | Ohio |
| 38 | Joanna M. Liniette | 10 | Daughter | — | Ohio |
| 39 | Juanita M. Liniette | 8 | Daughter | — | Ohio |
| 40 | Helen Baldwin | 52 | Head | Cosmetology | Ohio |
Pedigree Summary
Robert + 5 siblings
Gen 1 · 6 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)