TR
Thomas Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Thomas Robertson across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Robertson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Bessemer City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Bessemer City |
| Est. Birth Year | ~1930 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Jack Robertson | Son | — | 13 | ~1927 |
| Walter Robertson | Head | — | 41 | ~1899 |
| Thomas Robertson | Son | — | 10 | ~1930 |
| James Robertson | Son | — | 10 | ~1930 |
| David Robertson | Daughter | — | 2 | ~1938 |
| Anne Robertson | Son | — | 6 | ~1934 |
| Carrie Robertson | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Jefferson, Alabama
Other, age 1
Jefferson, Alabama · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Thomas L |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 10
Jefferson-County, Alabama · implied b. ~1930 — 7 household members
| Surname | Robertson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Bessemer City |
| 1935 Residence (County) | Jefferson |
| Industry | 0 |
| Class of Worker | 0 |
| Highest Grade | G 5 |
| 1935 Residence | Same place |
| 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 Thomas Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Robertson
Son · 1940 · age 10 · b. ~1930 · Alabama
★ You are viewing this record
Sibling
Anne Robertson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Robertson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Robertson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Robertson
Sibling · 1940 · age 13
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-t0627-00042-00107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence Allen | 10 | Son | — | Alabama |
| 42 | William T. Hill | 47 | Head | — | Alabama |
| 43 | Minnie D. Hill | 45 | Wife | — | Alabama |
| 44 | James Hill | 22 | Son | Lab|Laborer | Alabama |
| 45 | Fred Hill | 16 | Son | — | Alabama |
| 46 | Thomas Hill | 23 | Son | Miner | Alabama |
| 47 | Walter Robertson | 41 | Head | — | Alabama |
| 48 | Carrie Robertson | 41 | Wife | — | Alabama |
| 49 | Thomas Robertson THIS PERSON | 10 | Son | — | Alabama |
| 50 | Jack Robertson | 13 | Son | — | Alabama |
| 51 | James Robertson | 10 | Son | — | Alabama |
| 52 | Anne Robertson | 6 | Son | — | Alabama |
| 53 | David Robertson | 2 | Daughter | — | Alabama |
| 54 | Wilson Huff | 36 | Head | Machinist | Alabama |
| 55 | Doris Huff | 33 | Wife | — | Alabama |
| 56 | Joseph Fromhock | 50 | Head | Carpenter | Alabama |
| 57 | Edith Fromhock | 57 | Wife | — | Alabama |
| 58 | J. Wyche Davis | 58 | Head | Bookkeeping | Alabama |
| 59 | Lula Davis | 58 | Wife | — | Alabama |
| 60 | Sarah Harberry | 22 | Servant | Servant | Alabama |
| 61 | Lala M. Harberry | 8 | Daughter | — | Alabama |
| 62 | Willie Dimbrough | 29 | Head | Drag Operator | Alabama |
| 63 | Maurine Dimbrough | 21 | Wife | — | Alabama |
| 64 | Nelia Mcdowell | 44 | Head | Dietician | Alabama |
| 65 | Waften Mcdowell | 21 | Son | — | Alabama |
| 66 | Grady Williams | 42 | Head | Machinist | Alabama |
| 67 | Janie Williams | 36 | Wife | — | Alabama |
| 68 | Jessie Burchfield | 80 | Mother | — | S. Carolina |
| 69 | Flora Kilgore | 46 | Head | — | Alabama |
| 70 | Eldridge Kilgore | 16 | Daughter | — | Alabama |
| 71 | Russell Kilgore | 8 | Son | — | Alabama |
| 72 | Joyce A. Kilgore | 12 | Daughter | — | Alabama |
| 73 | James Ryeman | 30 | Head | Bricklayer | Alabama |
| 74 | Rosa Ryeman | 28 | Wife | — | Alabama |
| 75 | Oscar W. Lewis | 59 | Head | Salesman | Alabama |
| 76 | Willard Lewis | 26 | Son | Proprietor | Alabama |
| 77 | Helen B. Lewis | 22 | Daughter | Laboratory | Alabama |
| 78 | Maurine M. Lewis | 19 | Daughter | — | Alabama |
| 79 | Arthur Pearson | 47 | Head | Agent | Alabama |
| 80 | Mildred Pearson | 47 | Wife | — | Alabama |
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)