ST
Sam Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tuscaloosa-County, Alabama
Our Model Tree links this Sam Thompson across the 1930 and 1940 US Censuses in Tuscaloosa-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tuscaloosa-County, Alabama |
| Surname | Thompson |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 3 Moore Bridge |
| 1935 Residence (County) | Tuscaloosa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Laborer |
| Township / Ward | Beat 3 Moore Bridge |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sam | Age | Birth yr |
|---|---|---|---|---|
| Buster Thompson | Son | — | 23 | ~1917 |
| Sam Thompson | Son | — | 19 | ~1921 |
| Dan Thompson | Son | — | 17 | ~1923 |
| Emmie Thompson | Daughter | — | 15 | ~1925 |
| Bessie Doty | Daughter | — | 38 | ~1902 |
| Link Thompson | Head | — | 61 | ~1879 |
| Lester Thompson | Son | — | 7 | ~1933 |
| Annie Doty | Daughter | — | 20 | ~1920 |
| Carry Thompson | Spouse | — | 59 | ~1881 |
Census Appearances
1930
Tuscaloosa, Alabama
Son, age 9
Tuscaloosa, Alabama · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| 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
Tuscaloosa-County, Alabama
Son, age 19
Tuscaloosa-County, Alabama · implied b. ~1921 — 9 household members
| Surname | Thompson |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 3 Moore Bridge |
| 1935 Residence (County) | Tuscaloosa |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 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 Sam Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sam Thompson
Son · 1940 · age 19 · b. ~1921 · Alabama
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Sibling
Dan Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Doty
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmie Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Buster Thompson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Doty
Sibling · 1940 · age 20
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 — Tuscaloosa-County, Alabama
Open full size
1940 US Federal Census — Tuscaloosa-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00084-00063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P White | 73 | Head | — | Alabama |
| 2 | Ada L White | 68 | Wife | — | Alabama |
| 3 | Ernest O White | 37 | Son | Farmer | Alabama |
| 4 | Jessie White | 40 | Daughter-in-law | Helper | Alabama |
| 5 | Mack D Banks | 63 | Hired Hand | Hired Hand | Alabama |
| 6 | Albert Free | 31 | Head | Farmer | Alabama |
| 7 | Nella L Free | 21 | Wife | Helper | Alabama |
| 8 | Minnie V Free | 2 | Daughter | — | Alabama |
| 9 | Vinnie L Brown | 39 | Head | Farmer | Alabama |
| 10 | Lala Brown | 39 | Wife | — | Alabama |
| 11 | Milton Brown | 19 | Son | — | Alabama |
| 12 | George Brown | 17 | Son | — | Alabama |
| 13 | Robert Brown | 15 | Son | — | Alabama |
| 14 | Howard Brown | 12 | Son | — | Alabama |
| 15 | Jerry E Brown | 10 | Son | — | Alabama |
| 16 | Stella Brown | 9 | Daughter | — | Alabama |
| 17 | Jimmy Brown | 6 | Son | — | Alabama |
| 18 | Beatty Brown | 4 | Son | — | Alabama |
| 19 | Donnie Brown | 2 | Daughter | — | Alabama |
| 20 | Lena Thompson | 28 | Head | Farm | Alabama |
| 21 | Nellie Thompson | 34 | Wife | Helper | Alabama |
| 22 | James Thompson | 11 | Daughter | — | Alabama |
| 23 | Mattie Thompson | 9 | Daughter | — | Alabama |
| 24 | Rosie Thompson | 7 | Daughter | — | Alabama |
| 25 | Earl Thompson | 5 | Son | — | Alabama |
| 26 | Link Thompson | 61 | Head | Farm | Alabama |
| 27 | Carry Thompson | 59 | Wife | — | Alabama |
| 28 | Buster Thompson | 23 | Son | Laborer | Alabama |
| 29 | Sam Thompson THIS PERSON | 19 | Son | Laborer | Alabama |
| 30 | Dan Thompson | 17 | Son | Laborer | Alabama |
| 31 | Emmie Thompson | 15 | Daughter | Helper | Alabama |
| 32 | Lester Thompson | 7 | Son | — | Alabama |
| 33 | Bessie Doty | 38 | Daughter | Farm | Alabama |
| 34 | Annie Doty | 20 | Daughter | Helper | Alabama |
| 35 | Elass Luddut | 45 | Head | Farm | Alabama |
| 36 | Velma Luddut | 40 | Wife | — | Alabama |
| 37 | Claudy Luddut | 18 | Son | Laborer | Alabama |
| 38 | Robert Luddut | 16 | Son | Helper | Alabama |
| 39 | Sam Luddut | 9 | Son | — | Alabama |
| 40 | Ed Thompson | 30 | Son-in-law | Laborer | 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)