CJ
Charles Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Charles Jacobs across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Caroline & Herman — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Jacobs |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| Additional Details | |
| Occupation | Cleans Upholstery |
| Industry | Renovating Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cleans Upholstery |
| Township / Ward | Toledo |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Paul Jacobs | Son | — | 15 | ~1925 |
| Charles Jacobs | Son | — | 21 | ~1919 |
| Henry Jacobs | Son | — | 17 | ~1923 |
| Christine Jacobs | Spouse | — | 55 | ~1885 |
| Herman Jacobs | Son | — | 33 | ~1907 |
| Lawrence Jacobs | Son | — | 19 | ~1921 |
| Herman Jacobs | Head | — | 55 | ~1885 |
| Raymond Jacobs | Son | — | 23 | ~1917 |
| Margaret Jacobs | Daughter | — | 26 | ~1914 |
Census Appearances
1920
Lucas, Ohio
Son, age 1
Lucas, Ohio · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacob |
| Given Name | Charles C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Son, age 11
Lucas, Ohio · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacob |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Lucas-County, Ohio
Son, age 21
Lucas-County, Ohio · implied b. ~1919 — 9 household members
| Surname | Jacobs |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| Occupation | Cleans Upholstery |
| Industry | Renovating Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| 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 Charles Jacobs across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Caroline Jacob (~0.92 confidence) and father Herman Jacob (~0.92 confidence) and father Charles Jacob (~0.92 confidence) and mother Ethel Jacob (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Caroline Jacob
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Herman Jacob
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Charles Jacob
b. ~1899
Source father
● Household
· direct · ~0.92
Mother
Ethel Jacob
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Jacobs
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Margaret Jacobs
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Jacobs
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Jacobs
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Jacobs
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Jacobs
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Jacobs
Sibling · 1940 · age 23
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03258-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Schuller | 54 | Brother | Foreman | Ohio |
| 42 | Edith Schuller | 50 | Sister | — | Ohio |
| 43 | Peter J. Cahill | 58 | Head | Salesman | Ohio |
| 44 | Emma Cahill | 54 | Wife | — | Ohio |
| 45 | Mildred R. Cahill | 23 | Daughter | Stenographer | Ohio |
| 46 | Edward R. Cahill | 29 | Son | Salesman | Ohio |
| 47 | Dorothy M. Cahill | 28 | Daughter | — | Ohio |
| 48 | Edward R. Cahill | 3 | Grandson | — | Ohio |
| 49 | Russell Monodle | 37 | Head | Salesman | Ohio |
| 50 | Blanche Monodle | 36 | Wife | — | Ohio |
| 51 | James Buckley | 56 | Head | Helper | Australia |
| 52 | Eliza Mae Buckley | 44 | Wife | — | England |
| 53 | Kathleen Buckley | 15 | Daughter | — | Connecticut |
| 54 | Winifred Buckley | 13 | Daughter | — | Connecticut |
| 55 | Milton Buckley | 9 | Son | — | Connecticut |
| 56 | Theresa Strachan | 44 | Head | — | Ohio |
| 57 | Herman Jacobs | 55 | Head | Watchman | Ohio |
| 58 | Christine Jacobs | 55 | Wife | — | Germany |
| 59 | Herman Jacobs | 33 | Son | Meter Reader | Ohio |
| 60 | Margaret Jacobs | 26 | Daughter | Switchboard | Ohio |
| 61 | Raymond Jacobs | 23 | Son | — | Ohio |
| 62 | Charles Jacobs THIS PERSON | 21 | Son | Cleans Upholstery | Ohio |
| 63 | Lawrence Jacobs | 19 | Son | — | Ohio |
| 64 | Henry Jacobs | 17 | Son | — | Ohio |
| 65 | Paul Jacobs | 15 | Son | — | Ohio |
| 66 | Joseph Ruskowski | 51 | Head | Handicraft | Germany |
| 67 | Mary Ruskowski | 51 | Wife | — | Illinois |
| 68 | Donald Ruskowski | 23 | Son | Chauffeur | Ohio |
| 69 | Raymond Rutkowski | 30 | Head | Truck Driver | Ohio |
| 70 | Grace Rutkowski | 30 | Wife | — | Michigan |
| 71 | Raymond Rutkowski | 2 | Son | — | Ohio |
| 72 | John A. Ulmer | 58 | Head | Deputy Clerk | Ohio |
| 73 | Mabel Ulmer | 59 | Wife | — | Michigan |
| 74 | Leo Rozanski | 45 | Head | Machinist | Ohio |
| 75 | Helen Rozanski | 44 | Wife | — | Ohio |
| 76 | Leona Rozanski | 14 | Daughter | — | Ohio |
| 77 | Edward Mccullough | 42 | Head | Laborer | Michigan |
| 78 | Ether Mccullough | 43 | Wife | — | Ohio |
| 79 | Thaddeus Grandowicz | 22 | Head | New Worker | Ohio |
| 80 | Edna Grandowicz | 16 | Wife | New Worker | Indiana |
Pedigree Summary
Charles + 6 siblings
Gen 1 · 4 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)