CJ
Charles Jacobs — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Charles Jacobs across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Andrew — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Jacobs |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Bricklayer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Income (1939) | 2100 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bricklayer |
| Township / Ward | Homestead |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Henrietta Stephens | Other | — | 54 | ~1886 |
| George Bradley | Son | — | 15 | ~1925 |
| Robert Bradley | Son | — | 13 | ~1927 |
| Gladys Jacobs | Spouse | — | 34 | ~1906 |
| Charles Jacobs | Head | — | 31 | ~1909 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Charles W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jacobs |
| Given Name | Charles A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brick Layer |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 31
Allegheny-County, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Jacobs |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Occupation | Bricklayer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Income (1939) | 2100 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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: father John Jacobs (~0.92 confidence) and father Andrew Jacobs (~0.92 confidence) and mother Edith Jacobs (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jacobs
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Andrew Jacobs
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Edith Jacobs
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Jacobs
Head · 1940 · age 31 · b. ~1909 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03406-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Berry | 36 | Head | Craneman | Pennsylvania |
| 42 | Cecelia Berry | 25 | Wife | — | Pennsylvania |
| 43 | John R. Congleton | 26 | Head | Apprentice Machinist | Pennsylvania |
| 44 | Emma Congleton | 28 | Wife | — | Pennsylvania |
| 45 | John D. Congleton | 1 | Son | — | Pennsylvania |
| 46 | Casper Querin | 54 | Head | Policeman | Pennsylvania |
| 47 | Elizabeth Querin | 56 | Sister | — | Pennsylvania |
| 48 | Lucille Querin | 40 | Sister | Saleslady | Pennsylvania |
| 49 | Elizabeth Vojtko | 50 | Head | — | Hungary |
| 50 | Agnes Vojtko | 18 | Daughter | Saleslady | Pennsylvania |
| 51 | Stephen Major | 27 | Son-in-law | Truck Driver | Missouri |
| 52 | Helen Major | 21 | Daughter | — | Pennsylvania |
| 53 | Regis Major | 1 | Grandson | — | Pennsylvania |
| 54 | Stanislaus Sinicoski | 52 | Head | Machinery Fitter | Poland |
| 55 | Anna Sinicoski | 44 | Wife | — | Pennsylvania |
| 56 | Charles A. Jacobs THIS PERSON | 31 | Head | Bricklayer | Pennsylvania |
| 57 | Gladys E. Jacobs | 34 | Wife | — | Pennsylvania |
| 58 | George E. Bradley | 15 | Son | — | Pennsylvania |
| 59 | Robert J. Bradley | 13 | Son | — | Pennsylvania |
| 60 | Henrietta Stephens | 54 | Mother-in-law | — | Pennsylvania |
| 61 | Pearl Jackson | 65 | Head | — | Virginia |
| 62 | Edward Jackson | 25 | Son | Mechanic Automobile | Pennsylvania |
| 63 | Herman Jackson | 23 | Son | Mechanic Automobile | Pennsylvania |
| 64 | Mary Black | 43 | Daughter | — | Virginia |
| 65 | Calvin Black | 21 | Grandson | General Labor | Pennsylvania |
| 66 | Pearl Black | 18 | Granddaughter | — | Pennsylvania |
| 67 | Olivia Black | 15 | Granddaughter | — | Pennsylvania |
| 68 | Waverly Short | 44 | Head | 1St Helper Open Hearth | Virginia |
| 69 | Susie Short | 38 | Wife | — | Virginia |
| 70 | Stanley Short | 18 | Son | — | Pennsylvania |
| 71 | Waverly Short | 16 | Son | — | Pennsylvania |
| 72 | Anna Short | 14 | Daughter | — | Pennsylvania |
| 73 | Alvera Short | 12 | Daughter | — | Pennsylvania |
| 74 | Edward Short | 10 | Son | — | Pennsylvania |
| 75 | Joseph Short | 8 | Son | — | Pennsylvania |
| 76 | Herbert Short | 5 | Son | — | Pennsylvania |
| 77 | Betty Jean Short | 3 | Daughter | — | Pennsylvania |
| 78 | Richard G. Mabrey | 32 | Head | Truck Driver | Virginia |
| 79 | Madeline Mabrey | 21 | Wife | — | Pennsylvania |
| 80 | Marva L. Mabrey | 3 | Daughter | — | Pennsylvania |
Pedigree Summary
Charles
Gen 1 · 3 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)