RC
Robert Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sumter-County, Alabama
Our Model Tree links this Robert Chapman across the 1920, 1930 and 1940 US Censuses in Sumter-County, Alabama (XGBoost, ~Confirmed), with identified parents Susie & Susie — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, Alabama |
| Surname | Chapman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 Livingston |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 40 |
| Highest Grade | No 7 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Laborer |
| Township / Ward | Precinct 7 Livingston |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Reuben Clark | Other | — | 30 | ~1910 |
| Jeff Chapman | Other | — | ~1940 | |
| Robert Chapman | Son | — | 24 | ~1916 |
| Robert Chapman | Other | — | 2 | ~1938 |
| Mattie Chapman | Other | — | 20 | ~1920 |
| Rosie Clark | Daughter | — | 28 | ~1912 |
| Susie Chapman | Head | — | 58 | ~1882 |
Census Appearances
1920
Sumter, Alabama
Son, age 4
Sumter, Alabama · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Sumter, Alabama
Son, age 14
Sumter, Alabama · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | Robert |
| 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 | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Sumter-County, Alabama
Son, age 24
Sumter-County, Alabama · implied b. ~1916 — 7 household members
| Surname | Chapman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 Livingston |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 40 |
| Highest Grade | No 7 |
| 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 Robert Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Susie Chapman (~0.92 confidence) and mother Susie Chapman (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Susie Chapman
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Susie Chapman
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Chapman
Son · 1940 · age 24 · b. ~1916 · Alabama
★ You are viewing this record
Sibling
Rosie Clark
Sibling · 1940 · age 28
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 — Sumter-County, Alabama
Open full size
1940 US Federal Census — Sumter-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00080-00295)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rosa Fellows | 28 | Wife | Laborer | Alabama |
| 2 | Charlie Fellows | 10 | Son | — | Alabama |
| 3 | Isaac Fellows | 8 | Son | — | Alabama |
| 4 | Albert L. Fellows | 6 | Son | — | Alabama |
| 5 | Jessie Fellows | 5 | Son | — | Alabama |
| 6 | Alec Fellows | 4 | Son | — | Alabama |
| 7 | James W. Fellows | 2 | Son | — | Alabama |
| 8 | Nathaniel Williamson | 55 | Head | Farmer | Alabama |
| 9 | Mary E. Williamson | 44 | Wife | — | Alabama |
| 10 | Nathaniel Williamson | 24 | Son | Laborer | Alabama |
| 11 | Lewis Williamson | 19 | Son | — | Alabama |
| 12 | James Williamson | 17 | Son | — | Alabama |
| 13 | Catherine Williamson | 14 | Daughter | — | Alabama |
| 14 | James Williamson | 10 | Son | — | Alabama |
| 15 | Robert L. Williamson | 22 | Son | Farmer | Alabama |
| 16 | Lula M. Williamson | 20 | Daughter-in-law | — | Alabama |
| 17 | Pallee Crim | 65 | Lodger | — | Alabama |
| 18 | Jones Porter | 28 | Head | — | Alabama |
| 19 | Willie Lewis | 48 | Head | Carpenter | Alabama |
| 20 | Mary Lewis | 43 | Wife | Laborer | Alabama |
| 21 | Annie N. Lewis | 18 | Daughter | Laborer | Alabama |
| 22 | Mattie L. Lewis | 11 | Daughter | — | Alabama |
| 23 | Willie Matthews | 12 | Grandson | 0 | Alabama |
| 24 | Susie Walker | 45 | Head | Farmer | Alabama |
| 25 | Amanda Walker | 17 | Daughter | — | Alabama |
| 26 | Edward Walker | 15 | Son | — | Alabama |
| 27 | Missie Sledge | 56 | Head | — | Alabama |
| 28 | James W. Hunter | 46 | Head | Farmer | Alabama |
| 29 | Lily N. Hunter | 34 | Wife | — | Mississippi |
| 30 | Frank Clark | 18 | Head | Laborer | Alabama |
| 31 | Mack May | 67 | Head | Farmer | Alabama |
| 32 | Maggie C. May | 67 | Wife | — | Alabama |
| 33 | Emanuel Edwards | 51 | Step-son | Laborer | Alabama |
| 34 | Susie Chapman | 58 | Head | Farmer | Alabama |
| 35 | Robert Chapman THIS PERSON | 24 | Son | Laborer | Alabama |
| 36 | Mattie Chapman | 20 | Daughter-in-law | — | Alabama |
| 37 | Robert L. Chapman | 2 | Grandson | 0 | Alabama |
| 38 | Jeff Chapman | 0 | Grandson | 0 | Alabama |
| 39 | Reuben Clark | 30 | Son-in-law | Farmer | Alabama |
| 40 | Rosie B. Clark | 28 | Daughter | — | Alabama |
Pedigree Summary
Robert + 1 sibling
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)