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John Robbins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this John Robbins across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Robbins |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Praco |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | No 9 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham Lewisburg Road |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ethel Hallman | Spouse | — | 27 | ~1913 |
| Paul Hallman | Son | — | 1 | ~1939 |
| Aileen Robbins | Daughter | — | 11 | ~1929 |
| John Hallman | Son | — | 4 | ~1936 |
| James Hallman | Son | — | 2 | ~1938 |
| Ellie Robbins | Other | — | 37 | ~1903 |
| Dorothy Robbins | Daughter | — | 13 | ~1927 |
| Henry Hallman | Head | — | 29 | ~1911 |
| Jack Robbins | Son | — | 7 | ~1933 |
| John Robbins | Son | — | 15 | ~1925 |
Census Appearances
1930
Jefferson, Alabama
Son, age 5
Jefferson, Alabama · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robbins |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 15
Jefferson-County, Alabama · implied b. ~1925 — 10 household members
| Surname | Robbins |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Praco |
| 1935 Residence (County) | Jefferson |
| Highest Grade | No 9 |
| 1935 Residence | Alabama |
| 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 Robbins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Robbins
Son · 1940 · age 15 · b. ~1925 · Alabama
★ You are viewing this record
Sibling
Aileen Robbins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Robbins
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Hallman
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Robbins
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hallman
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hallman
Sibling · 1940 · age 4
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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00044-00740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Byron E Thomas | 29 | Head | Truck Owner | Alabama |
| 42 | Minnie Thomas | 53 | Lodger | — | Alabama |
| 43 | Henry E Hallman | 29 | Head | Coal Miner | Alabama |
| 44 | Ethel Hallman | 27 | Wife | — | Alabama |
| 45 | John E Hallman | 4 | Son | — | Alabama |
| 46 | James C Hallman | 2 | Son | — | Alabama |
| 47 | Paul L Hallman | 1 | Son | — | Alabama |
| 48 | Ellie Robbins | 37 | Mother | — | Alabama |
| 49 | John L Robbins THIS PERSON | 15 | Son | — | Alabama |
| 50 | Dorothy Robbins | 13 | Daughter | — | Alabama |
| 51 | Aileen Robbins | 11 | Daughter | — | Alabama |
| 52 | Jack Robbins | 7 | Son | — | Alabama |
| 53 | Will Prestige | 30 | Head | Dairy Helper | Alabama |
| 54 | Ruby Prestige | 26 | Wife | — | Alabama |
| 55 | Jack Prestige | 10 | Son | — | Alabama |
| 56 | Janice Prestige | 5 | Daughter | — | Alabama |
| 57 | Beatrice Prestige | 4 | Daughter | — | Alabama |
| 58 | Christine Prestige | 2 | Daughter | — | Alabama |
| 59 | Hope Beasley | 28 | Head | Dairy Helper | Alabama |
| 60 | Ruby Beasley | 28 | Wife | — | Alabama |
| 61 | Samuel Beasley | 6 | Son | — | Alabama |
| 62 | M A Beasley | 4 | Son | — | Alabama |
| 63 | Carlton E Beasley | 2 | Son | — | Alabama |
| 64 | Wm F Prosch | 38 | Head | Chemist | Alabama |
| 65 | Dorothy Prosch | 33 | Wife | — | Alabama |
| 66 | Charles M Prosch | 4 | Son | — | Alabama |
| 67 | Belle Lucas | 72 | Mother | — | Missouri |
| 68 | Alva W James | 50 | Head | — | Georgia |
| 69 | Carl James | 32 | Son | Electrician | Alabama |
| 70 | Edna M James | 25 | Daughter | Beauty Operator | Alabama |
| 71 | Wm E James | 27 | Son | Pumper | Alabama |
| 72 | Melba James | 22 | Daughter | — | Alabama |
| 73 | Billie Mae James | 9 | Daughter | — | Alabama |
| 74 | Ernest E Parker | 23 | Head | Operator | Alabama |
| 75 | Lois Parker | 27 | Wife | — | Alabama |
| 76 | Barbara Parker | 8 | Daughter | — | Alabama |
| 77 | Wm T Price | 39 | Head | Owner | Alabama |
| 78 | Mary H Price | 34 | Wife | Clerical | Alabama |
| 79 | Kenneth S Shelton | 37 | Head | Painter | Pennsylvania |
| 80 | Viola Shelton | 33 | Wife | — | Minnesota |
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)