DB
David Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this David Brown across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Brown |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Leader |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1350 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Leader |
| Township / Ward | Chester |
| Est. Birth Year | ~1896 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| Sarah Brown | Daughter | — | 17 | ~1923 |
| Geneva Brown | Daughter | — | 15 | ~1925 |
| David Brown | Head | — | 44 | ~1896 |
| John Brown | Other | — | 47 | ~1893 |
| Regenia Brown | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 24
Philadelphia, Pennsylvania · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | David |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Paper Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Philadelphia, Pennsylvania
Other, age 33
Philadelphia, Pennsylvania · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | David |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Iron Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Delaware-County, Pennsylvania
Head, age 44
Delaware-County, Pennsylvania · implied b. ~1896 — 5 household members
| Surname | Brown |
| Given Name | David |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 44 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Leader |
| Industry | Ship Yard |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1350 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 David Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
David Brown
Head · 1940 · age 44 · b. ~1896 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03489-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Pelek | 52 | Head | Molder | Poland |
| 2 | Agnes Pelek | 50 | Wife | — | Poland |
| 3 | Verna Pelek | 28 | Daughter | Finisher | Penna |
| 4 | Joseph Stoner | 27 | Son-in-law | Chauffeur | Penna |
| 5 | Mary Stoner | 22 | Daughter | — | Penna |
| 6 | Marie Stoner | 3 | Granddaughter | — | Penna |
| 7 | James Jackson | 32 | Head | Laborer | Virginia |
| 8 | Genevieve Jackson | 28 | Wife | House Keeper | South Carolina |
| 9 | James Jackson | 11 | Son | — | North Carolina |
| 10 | Mckinley Jackson | 9 | Son | — | Pennsylvania |
| 11 | Hilda Jackson | 9 | Daughter | — | Virginia |
| 12 | Uzilla Jackson | 6 | Daughter | — | Virginia |
| 13 | Clarice Jackson | 5 | Daughter | — | Virginia |
| 14 | Earl Tall | 41 | Head | Laborer | Maryland |
| 15 | M. Clara Tall | 36 | Wife | House Keeper | Maryland |
| 16 | Laura Tall | 15 | Daughter | — | Maryland |
| 17 | Robert Tall | 14 | Son | — | Pennsylvania |
| 18 | Mary Tall | 10 | Daughter | — | Pennsylvania |
| 19 | Alfred Tall | 9 | Son | — | Pennsylvania |
| 20 | David Brown THIS PERSON | 44 | Head | Leader | South Carolina |
| 21 | Regenia Brown | 40 | Wife | House Keeper | South Carolina |
| 22 | Sarah Lee Brown | 17 | Daughter | — | South Carolina |
| 23 | Geneva Brown | 15 | Daughter | — | South Carolina |
| 24 | John Brown | 47 | Brother | — | South Carolina |
| 25 | Edmund Duffy | 54 | Head | Laborer | Pennsylvania |
| 26 | Jennie Duffy | 51 | Wife | Watchman | Maryland |
| 27 | Ralph Black | 35 | Lodger | House Keeper | Pennsylvania |
| 28 | Eva Gibson | 40 | Head | Laborer | Maryland |
| 29 | Edward L. Gibson | 21 | Son | House Keeper | Maryland |
| 30 | Patricia Gibson | 15 | Daughter | Laborer | Maryland |
| 31 | Cleveland Posey | 23 | Son-in-law | — | Maryland |
| 32 | Bernice Posey | 18 | Daughter | Laborer | Pennsylvania |
| 33 | Beatrice Rideout | 35 | Head | House Keeper | Pennsylvania |
| 34 | William Rideout | 22 | Son | House Keeper | Pennsylvania |
| 35 | Abraham Spence | 31 | Lodger | Laborer | Pennsylvania |
| 36 | James Hackett | 31 | Lodger | Laborer | Pennsylvania |
| 37 | Rosetta Rideout | 3 | Granddaughter | — | Pennsylvania |
| 38 | Rachel Warner | 45 | Head | Laborer | Delaware |
| 39 | John Nicholas | 49 | Lodger | House Keeper | Maryland |
| 40 | Lodger Daisy | None | F | Steel Mill | — |
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)