RP
Robert Porter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lamar-County, Alabama
Our Model Tree links this Robert Porter across the 1920, 1930 and 1940 US Censuses in Lamar-County, Alabama (XGBoost, ~Confirmed), with identified parents Iza & Joe — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lamar-County, Alabama |
| Surname | Porter |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 16 |
| 1935 Residence (County) | Lamar |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same home |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | Precinct 16 |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ethel Porter | Daughter | — | 3 | ~1937 |
| Robert Porter | Head | — | 27 | ~1913 |
| Vundine Porter | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Lamar, Alabama
Son, age 9
Lamar, Alabama · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Lamar, Alabama
Son, age 19
Lamar, Alabama · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | Cotton farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lamar-County, Alabama
Head, age 27
Lamar-County, Alabama · implied b. ~1913 — 3 household members
| Surname | Porter |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 16 |
| 1935 Residence (County) | Lamar |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same home |
| 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 Porter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Iza Porter (~0.92 confidence) and father Joe Porter (~0.92 confidence) and mother Estelle Porter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Iza Porter
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Joe Porter
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Estelle Porter
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Porter
Head · 1940 · age 27 · b. ~1913 · Alabama
★ 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 — Lamar-County, Alabama
Open full size
1940 US Federal Census — Lamar-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00048-00494)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margie L Rushing | 25 | Wife | — | Alabama |
| 42 | Myrtle M Rushing | 1 | Daughter | — | Alabama |
| 43 | Palmer L Foster | 25 | Head | Farmer | Alabama |
| 44 | Ruby N Foster | 24 | Wife | — | Alabama |
| 45 | Billie Foster | 6 | Daughter | — | Alabama |
| 46 | Henry H Foster | 4 | Son | — | Alabama |
| 47 | Nellie J Foster | 2 | Daughter | — | Alabama |
| 48 | Nancy Wiggins | 57 | Mother-in-law | — | Alabama |
| 49 | Buscom G Watkins | 54 | Head | Farmer | Alabama |
| 50 | Sara P Watkins | 52 | Wife | — | Alabama |
| 51 | Ruth Watkins | 14 | Daughter | — | Alabama |
| 52 | Felix G Edwards | 32 | Head | Farmer | Alabama |
| 53 | Wilma S Edwards | 31 | Wife | — | Alabama |
| 54 | James R Edwards | 5 | Son | — | Alabama |
| 55 | Wayne D Edwards | 2 | Son | — | Alabama |
| 56 | Joe L Edwards | 0 | Son | 0 | Alabama |
| 57 | Dra P Porter | 60 | Head | Farmer | Alabama |
| 58 | Estell Porter | 58 | Wife | — | Alabama |
| 59 | Claudine Porter | 14 | Daughter | — | Alabama |
| 60 | Murphy R Porter | 16 | Son | — | Alabama |
| 61 | William C Porter | 35 | Head | Farmer | Alabama |
| 62 | Selma C Porter | 23 | Wife | — | Alabama |
| 63 | Elvin A Porter | 2 | Daughter | 0 | Alabama |
| 64 | Gilbert H Dodson | 47 | Head | Farmer | Alabama |
| 65 | Maggie L Dodson | 47 | Wife | — | Alabama |
| 66 | Grace L Dodson | 19 | Daughter | Laborer | Alabama |
| 67 | Gilbert J Dodson | 15 | Son | — | Alabama |
| 68 | Willie D Dodson | 11 | Daughter | — | Alabama |
| 69 | Sara L Dodson | 76 | Mother | — | Alabama |
| 70 | Woodrow Waldrop | 27 | Head | Farmer | Alabama |
| 71 | Sarah A Waldrop | 25 | Wife | — | Alabama |
| 72 | Norma S Waldrop | 1 | Daughter | 0 | Alabama |
| 73 | Pierce W Thornton | 54 | Head | Farmer | Alabama |
| 74 | Ida B Thornton | 50 | Wife | — | Georgia |
| 75 | Robert E Thornton | 14 | Son | Laborer | Alabama |
| 76 | David N Thornton | 10 | Son | — | Alabama |
| 77 | Jack Thornton | 12 | Son | — | Alabama |
| 78 | Robert D Porter THIS PERSON | 27 | Head | Farmer | Alabama |
| 79 | Vundine Porter | 23 | Wife | — | Alabama |
| 80 | Ethel Porter | 3 | Daughter | — | Alabama |
Pedigree Summary
Robert
Gen 1 · 3 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)