JB
Jacob Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orangeburg-County, South Carolina
Our Model Tree links this Jacob Brown across the 1930 and 1940 US Censuses in Orangeburg-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orangeburg-County, South Carolina |
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Orangeburg |
| Additional Details | |
| Occupation | Farm Helper |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Helper |
| Township / Ward | Orange |
| Est. Birth Year | ~1924 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Willie Brown | Son | — | 11 | ~1929 |
| James Brown | Head | — | 50 | ~1890 |
| Emma Brown | Spouse | — | 50 | ~1890 |
| Jacob Brown | Son | — | 16 | ~1924 |
| Joseph Brown | Son | — | 18 | ~1922 |
| John Brown | Son | — | 21 | ~1919 |
Census Appearances
1930
Orangeburg, South …
Son, age 7
Orangeburg, South Carolina · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Orangeburg-County, South …
Son, age 16
Orangeburg-County, South Carolina · implied b. ~1924 — 6 household members
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Orangeburg |
| Occupation | Farm Helper |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Jacob Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jacob Brown
Son · 1940 · age 16 · b. ~1924 · South Carolina
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Sibling
Willie Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Brown
Sibling · 1940 · age 18
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 — Orangeburg-County, South Carolina
Open full size
1940 US Federal Census — Orangeburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03830-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred Franklin | 16 | Son | — | South Carolina |
| 42 | Clarence Franklin | 14 | Son | — | South Carolina |
| 43 | Laura Franklin | 10 | Daughter | — | South Carolina |
| 44 | Frederick Franklin | 2 | Son | — | South Carolina |
| 45 | George Coats | 35 | Head | Farm Laborer | South Carolina |
| 46 | Catherine Coats | 28 | Wife | — | South Carolina |
| 47 | Jervey Rich | 60 | Head | Farm Laborer | South Carolina |
| 48 | Susane Rich | 56 | Wife | — | South Carolina |
| 49 | Harvey Hungerpiller | 52 | Head | Foreman | South Carolina |
| 50 | Maude Hungerpiller | 54 | Wife | — | South Carolina |
| 51 | Virgil C. Evans | 65 | Head | Farmer | South Carolina |
| 52 | Carrie T. Evans | 60 | Wife | — | South Carolina |
| 53 | Julia Rowe Evans | 21 | Daughter | Secretary | South Carolina |
| 54 | Mary Frances Evans | 19 | Daughter | Secretary | South Carolina |
| 55 | Marion Jackson | 35 | Head | Laborer | South Carolina |
| 56 | Mattie Jackson | 25 | Wife | — | South Carolina |
| 57 | Maude Jackson | 5 | Daughter | — | South Carolina |
| 58 | Marion Jr. Jackson | 4 | Son | — | South Carolina |
| 59 | Milton Jackson | 2 | Son | — | South Carolina |
| 60 | Herman Jackson | 1 | Son | — | South Carolina |
| 61 | Annie Kennedy | 49 | Head | Farmer | South Carolina |
| 62 | Aubrey Felder | 19 | Son | Farmer | South Carolina |
| 63 | Geraldine Felder | 17 | Daughter | Farm Helper | South Carolina |
| 64 | George Felder | 15 | Son | — | South Carolina |
| 65 | Andrew Felder | 11 | Son | — | South Carolina |
| 66 | Julius Evans | 47 | Head | Salesman | South Carolina |
| 67 | Claudia Evans | 39 | Wife | — | South Carolina |
| 68 | Wesley Evans | 15 | Son | — | South Carolina |
| 69 | James E. Evans | 12 | Son | — | South Carolina |
| 70 | James D. Jr. Brown | 28 | Head | Farmer | South Carolina |
| 71 | Ethel Brown | 20 | Wife | — | South Carolina |
| 72 | Elizabeth Brown | 5 | Daughter | — | South Carolina |
| 73 | Dorothy Brown | 3 | Daughter | — | South Carolina |
| 74 | Alonza Brown | 1 | Son | — | South Carolina |
| 75 | James D. Sr. Brown | 50 | Head | Farmer | South Carolina |
| 76 | Emma Brown | 50 | Wife | Farmer | South Carolina |
| 77 | John Brown | 21 | Son | Laborer | South Carolina |
| 78 | Joseph Brown | 18 | Son | Farm Laborer | South Carolina |
| 79 | Jacob Brown THIS PERSON | 16 | Son | Farm Helper | South Carolina |
| 80 | Willie C. Brown | 11 | Son | — | South Carolina |
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)