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Robert Williamson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lauderdale-County, Mississippi
Our Model Tree links this Robert Williamson across the 1930 and 1940 US Censuses in Lauderdale-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lauderdale-County, Mississippi |
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat # 3 |
| 1935 Residence (County) | Lauderdale |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 3 |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Arauliza Williamson | Son | — | 1 | ~1939 |
| Helen Williamson | Daughter | — | 18 | ~1922 |
| Ursula Williamson | Daughter | — | 13 | ~1927 |
| Wilson Williamson | Head | — | 48 | ~1892 |
| Crusie Williamson | Spouse | — | 35 | ~1905 |
| Leaster Williamson | Daughter | — | 3 | ~1937 |
| Robert Williamson | Son | — | 10 | ~1930 |
| Mildred Williamson | Daughter | — | 7 | ~1933 |
| Clarence Williamson | Son | — | 16 | ~1924 |
| Valdale Williamson | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Lauderdale, Mississippi
Son, age 1
Lauderdale, Mississippi · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Florida |
| Mother's Birthplace | Maryland |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Lauderdale-County, Mississippi
Son, age 10
Lauderdale-County, Mississippi · implied b. ~1930 — 10 household members
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat # 3 |
| 1935 Residence (County) | Lauderdale |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Williamson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Williamson
Son · 1940 · age 10 · b. ~1930 · Mississippi
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Sibling
Clarence Williamson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Williamson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leaster Williamson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arauliza Williamson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Williamson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ursula Williamson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Valdale Williamson
Sibling · 1940 · age 12
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 — Lauderdale-County, Mississippi
Open full size
1940 US Federal Census — Lauderdale-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02040-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas R. Thompson | 16 | Son | — | Mississippi |
| 42 | Mary E. Thompson | 15 | Daughter | — | Mississippi |
| 43 | Mae L. Thompson | 13 | Daughter | — | Mississippi |
| 44 | Clifford B. Thompson | 9 | Son | — | Mississippi |
| 45 | Robert E. Thompson | 7 | Son | — | Mississippi |
| 46 | Neville L. Thompson | 6 | Son | — | Mississippi |
| 47 | Ray E. Thompson | 4 | Son | — | Mississippi |
| 48 | Jerry O. Thompson | 3 | Son | — | Mississippi |
| 49 | Jack Gray | 65 | Head | Fireman | Mississippi |
| 50 | Mary Gray | 46 | Wife | — | Mississippi |
| 51 | Clyde Gray | 10 | Son | — | Mississippi |
| 52 | Geraldine Gray | 8 | Daughter | — | Mississippi |
| 53 | Raymond Gray | 6 | Son | — | Mississippi |
| 54 | Arthur L. Gammage | 51 | Head | Mechanic | Mississippi |
| 55 | Lela B. Gammage | 45 | Wife | — | Mississippi |
| 56 | Jeff Cole | 55 | Head | Farmer | Mississippi |
| 57 | Allie Cole | 50 | Wife | — | Mississippi |
| 58 | Wilson Williamson | 48 | Head | Farmer | Mississippi |
| 59 | Crusie Williamson | 35 | Wife | — | Mississippi |
| 60 | Helen Williamson | 18 | Daughter | — | Mississippi |
| 61 | Clarence Williamson | 16 | Son | — | Mississippi |
| 62 | Ursula Williamson | 13 | Daughter | — | Mississippi |
| 63 | Valdale Williamson | 12 | Daughter | — | Mississippi |
| 64 | Robert Williamson THIS PERSON | 10 | Son | — | Mississippi |
| 65 | Mildred Williamson | 7 | Daughter | — | Mississippi |
| 66 | Leaster Williamson | 3 | Daughter | — | Mississippi |
| 67 | Arauliza Williamson | 1 | Son | — | Mississippi |
| 68 | Andrew Wilson | 43 | Head | Farmer | Mississippi |
| 69 | Erma Wilson | 42 | Wife | — | Mississippi |
| 70 | Charlie Wilson | 67 | Head | Farmer | Mississippi |
| 71 | Carrie Wilson | 51 | Wife | — | Mississippi |
| 72 | George Wilson | 29 | Son | Farmer | Mississippi |
| 73 | Henry Wilson | 22 | Son | Farmer | Mississippi |
| 74 | James M. Wilson | 19 | Son | C.C. Camp | Mississippi |
| 75 | Marie Wilson | 16 | Daughter | — | Mississippi |
| 76 | Leo Wilson | 13 | Son | — | Mississippi |
| 77 | Bertha L. Wilson | 12 | Daughter | — | Mississippi |
| 78 | Cleo Wilson | 10 | Daughter | — | Mississippi |
| 79 | Jim Daniels | 62 | Head | Farmer | Alabama |
| 80 | Laura Daniels | 48 | Wife | — | Mississippi |
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)