JB
Jacob Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Jacob Brown across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Isaac & Annie — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Head
Born: RUSSIA
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | BROWN |
| Given Name | JACOB |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | RUSSIA |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | HATTER |
| Industry | LADIES HATS |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Hatter |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1895 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Martha Brown | Spouse | — | 42 | ~1898 |
| Theodore Brown | Son | — | 14 | ~1926 |
| Jacob Brown | Head | — | 45 | ~1895 |
| Harvey Brown | Son | — | 4 | ~1936 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 24
Philadelphia, Pennsylvania · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jacob L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Russia |
| Year of Immigration | 1902 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Realtor |
| Industry | Real Estate |
| Class of Worker | Own |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Jewish |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Philadelphia, Pennsylvania
Head, age 35
Philadelphia, Pennsylvania · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jacob W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 25 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Broker |
| Industry | Insurance |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Russian |
| Home Owned/Rented | O |
| Home Value / Rent | 10,000 |
| Radio Set | R |
| Veteran | Yes |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Philadelphia-County, Pennsylvania
Head, age 45
Philadelphia-County, Pennsylvania · implied b. ~1895 — 4 household members
| Surname | BROWN |
| Given Name | JACOB |
| Relationship to Head | HEAD |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | RUSSIA |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | HATTER |
| Industry | LADIES HATS |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Jacob Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isaac Brown (~0.92 confidence) and mother Annie Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Brown
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Annie Brown
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jacob Brown
Head · 1940 · age 45 · b. ~1895 · 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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03749-00254)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Silverstein | 57 | HEAD | Salesman | NY |
| 2 | Rose G Silverstein | 51 | WIFE | — | PALESTINE |
| 3 | Sidney Silverstein | 23 | SON | Reporter | PA |
| 4 | Morton Silverstein | 20 | SON | Reporter | PA |
| 5 | Lazarus Lazare | 39 | HEAD | Prop. | YUGOSLAVIA |
| 6 | Philomenia Lazare | 32 | WIFE | — | YUGOSLAVIA |
| 7 | Konstantin Lazare | 3 | SON | — | PA |
| 8 | John Lazare | 0 | SON | — | PA |
| 9 | Harry G Horbeck | 60 | HEAD | Bricklayer | PA |
| 10 | Lottie S Horbeck | 56 | WIFE | — | PA |
| 11 | Jacob Brown THIS PERSON | 45 | HEAD | Hatter | RUSSIA |
| 12 | Martha Brown | 42 | WIFE | — | PA |
| 13 | Theodore Brown | 14 | SON | — | PA |
| 14 | Harvey Brown | 4 | SON | — | PA |
| 15 | James Wilson | 46 | HEAD | Carpenter | SCOTLAND |
| 16 | Jean G Wilson | 45 | WIFE | — | SCOTLAND |
| 17 | Jean Wilson | 22 | DAU | Steno | SCOTLAND |
| 18 | James Wilson | 13 | SON | — | PA |
| 19 | Harry Fromm | 42 | HEAD | Pattern Maker | PA |
| 20 | Viola G Fromm | 42 | WIFE | — | PA |
| 21 | Robert Fromm | 12 | SON | — | PA |
| 22 | Evelyn Fromm | 10 | DAU | — | PA |
| 23 | David G Brown | 45 | HEAD | Cloth Cutter | AUSTRIA |
| 24 | Bella Brown | 43 | WIFE | — | RUSSIA |
| 25 | Sidney Brown | 22 | SON | Bookkeeper | PA |
| 26 | Pearl Brown | 19 | DAU | New Worker | PA |
| 27 | William Blumberg | 42 | HEAD | Office Mgr. | PA |
| 28 | Sarah G Blumberg | 53 | WIFE | — | PA |
| 29 | Louis Blumberg | 15 | SON | — | PA |
| 30 | Gertrude Blumberg | 17 | DAU | — | PA |
| 31 | Joseph Sweeney | 36 | HEAD | Salesman | PA |
| 32 | Helen G Sweeney | 37 | WIFE | — | PA |
| 33 | Mary E Sweeney | 11 | DAU | — | PA |
| 34 | Joseph Sweeney | 8 | SON | — | PA |
| 35 | Michael Sweeney | 4 | SON | — | PA |
| 36 | Morris Levit | 37 | HEAD | Salesman | PA |
| 37 | Reba Levit | 36 | WIFE | — | RUSSIA |
| 38 | Alan Levit | 15 | SON | — | PA |
| 39 | Anna Barhack | 39 | SIS-IN-LAW | Saleslady | RUSSIA |
| 40 | William G Hood | 62 | HEAD | Lithographer | SCOTLAND |
Pedigree Summary
Jacob
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)