JC
John Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wilcox-County, Alabama
Our Model Tree links this John Campbell across the 1920, 1930 and 1940 US Censuses in Wilcox-County, Alabama (XGBoost, ~Confirmed), with identified parents Cornelius & Gabe — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilcox-County, Alabama |
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Wilcox |
| Additional Details | |
| Occupation | Farm |
| Industry | NP |
| Class of Worker | 36 |
| Highest Grade | No 2 |
| 1935 Residence | 20 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farm |
| Township / Ward | Precinct 7 |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Ella Campbell | Daughter | — | 14 | ~1926 |
| Cornelius Campbell | Head | — | 56 | ~1884 |
| Lou Campbell | Other | — | 77 | ~1863 |
| John Campbell | Son | — | 22 | ~1918 |
| Willie Campbell | Son | — | 17 | ~1923 |
Census Appearances
1920
Wilcox, Alabama
Son, age 4
Wilcox, Alabama · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Wilcox, Alabama
Son, age 14
Wilcox, Alabama · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Wilcox-County, Alabama
Son, age 22
Wilcox-County, Alabama · implied b. ~1918 — 5 household members
| Surname | Campbell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Wilcox |
| Occupation | Farm |
| Industry | NP |
| Class of Worker | 36 |
| Highest Grade | No 2 |
| 1935 Residence | 20 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 John Campbell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Campbell (~0.92 confidence) and father Gabe Campbell (~0.92 confidence) and father David Campbell (~0.92 confidence) and mother Annie Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Campbell
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Gabe Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Father
David Campbell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Annie Campbell
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Campbell
Son · 1940 · age 22 · b. ~1918 · Alabama
★ You are viewing this record
Sibling
Willie Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Campbell
Sibling · 1940 · age 14
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 — Wilcox-County, Alabama
Open full size
1940 US Federal Census — Wilcox-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00089-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Watson | 78 | Head | — | Alabama |
| 42 | Jane Evans | 60 | Head | Private Home | Alabama |
| 43 | Jessie Morgan | 45 | Head | Farm | Alabama |
| 44 | Beckie Morgan | 44 | Wife | — | Alabama |
| 45 | Jessie B Morgan | 19 | Son | Road Const Wpa Project | Alabama |
| 46 | Virginia Morgan | 11 | Daughter | — | Alabama |
| 47 | Ruby Morgan | 8 | Daughter | — | Alabama |
| 48 | Charlie Morgan | 6 | Son | — | Alabama |
| 49 | Seldon Morgan | 3 | Son | — | Alabama |
| 50 | Robert Lee Wood | 26 | Head | Various Farm Work | Alabama |
| 51 | Ethel Wood | 25 | Wife | Public School | Alabama |
| 52 | Ross Gaston | 37 | Head | Farm | Alabama |
| 53 | Flora Gaston | 22 | Wife | — | Alabama |
| 54 | Howard Gaston | 18 | Son | Farm | Alabama |
| 55 | Annie Pearl Gaston | 17 | Daughter | — | Alabama |
| 56 | Jamie Johnson | 46 | Head | Ship Building | Alabama |
| 57 | Mary Lee Johnson | 26 | Wife | — | Mississippi |
| 58 | Frank Lee Johnson | 24 | Son | Ship Building | Alabama |
| 59 | Joseph L Johnson | 22 | Daughter | — | Alabama |
| 60 | James (Ab) Johnson | 19 | Son | Freight Hauling | Alabama |
| 61 | Bertha Johnson | 17 | Daughter | — | Alabama |
| 62 | B B Johnson | 16 | Son | Farm | Alabama |
| 63 | Jamie Mae Johnson | 13 | Daughter | — | Alabama |
| 64 | Ethel Johnson | 11 | Daughter | — | Alabama |
| 65 | Sam Johnson | 8 | Son | — | Alabama |
| 66 | Nell Johnson | 5 | Daughter | — | Alabama |
| 67 | Edgar Lee Johnson | 2 | Son | — | Alabama |
| 68 | Charlie Mcshaw | 3 | Head | — | Alabama |
| 69 | Willie Mcintosh | 37 | Head | Farm | Alabama |
| 70 | Mamae Mcintosh | 31 | Wife | — | Alabama |
| 71 | Parlean Mcintosh | 12 | Daughter | — | Alabama |
| 72 | Willie Mae Mcintosh | 10 | Daughter | — | Alabama |
| 73 | Cornelius Campbell | 56 | Head | Farm | Alabama |
| 74 | John Campbell THIS PERSON | 22 | Son | Farm | Alabama |
| 75 | Willie J Campbell | 17 | Son | Farm | Alabama |
| 76 | Ella Mae Campbell | 14 | Daughter | Farm | Alabama |
| 77 | Lou Campbell | 77 | Boarder | — | Alabama |
| 78 | Lee Tillman | 63 | Head | Farm | Alabama |
| 79 | Lottie Tillman | 45 | Wife | — | Alabama |
| 80 | Timothy Jones | 15 | Son | Farm | Alabama |
Pedigree Summary
John + 2 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)