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William Williamson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Alabama
Our Model Tree links this William Williamson across the 1930 and 1940 US Censuses in Washington-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Alabama |
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 5, Millry |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 5 Millry |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Grace Williamson | Daughter | — | 18 | ~1922 |
| Betty Williamson | Daughter | — | 5 | ~1935 |
| D Williamson | Head | — | 45 | ~1895 |
| Robert Williamson | Son | — | 8 | ~1932 |
| Dannie Williamson | Son | — | 10 | ~1930 |
| William Williamson | Son | — | 13 | ~1927 |
| James Williamson | Son | — | 20 | ~1920 |
| Ola Williamson | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Washington, Alabama
Son, age 3
Washington, Alabama · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Willie R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Washington-County, Alabama
Son, age 13
Washington-County, Alabama · implied b. ~1927 — 8 household members
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 5, Millry |
| 1935 Residence (County) | Washington |
| Highest Grade | No 6 |
| 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 William Williamson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Williamson
Son · 1940 · age 13 · b. ~1927 · Alabama
★ You are viewing this record
Sibling
James Williamson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williamson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dannie Williamson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Williamson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Williamson
Sibling · 1940 · age 18
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 — Washington-County, Alabama
Open full size
1940 US Federal Census — Washington-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00088-00187)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | M. F. Mitchell | 23 | Son | Laborer | Alabama |
| 2 | Loyd Mitchell | 18 | Son | Laborer | Alabama |
| 3 | Dan Mitchell | 16 | Son | Laborer | Alabama |
| 4 | Bessie Mitchell | 13 | Daughter | — | Alabama |
| 5 | Charlie Mitchell | 12 | Son | — | Alabama |
| 6 | Anna Mitchell | 22 | Daughter-in-law | — | Alabama |
| 7 | Carrie Lee Mitchell | 3 | Daughter | — | Alabama |
| 8 | B. T. Ligitt | 57 | Head | Farmer | Mississippi |
| 9 | Della Ligitt | 50 | Wife | — | Alabama |
| 10 | Edward Ligitt | 15 | Son | — | Alabama |
| 11 | R. B. Mccaleb | 60 | Head | Depot Agent | Tennessee |
| 12 | Janie Mccaleb | 48 | Wife | — | Mississippi |
| 13 | D. M. Williamson | 45 | Head | Farmer | Alabama |
| 14 | Ola Leigh Williamson | 38 | Wife | — | Alabama |
| 15 | James Williamson | 20 | Son | — | Alabama |
| 16 | Grace Williamson | 18 | Daughter | — | Alabama |
| 17 | William Williamson THIS PERSON | 13 | Son | — | Alabama |
| 18 | Dannie Williamson | 10 | Son | — | Alabama |
| 19 | Robert Williamson | 8 | Son | — | Alabama |
| 20 | Betty Williamson | 5 | Daughter | — | Alabama |
| 21 | Morris Thompson | 36 | Head | Farmer | Alabama |
| 22 | Florrie Thompson | 32 | Wife | — | Alabama |
| 23 | Ruby Thompson | 6 | Daughter | — | Alabama |
| 24 | John Thompson | 2 | Son | — | Alabama |
| 25 | Sam Jordan | 34 | Head | Farmer | Alabama |
| 26 | Lou Jordan | 32 | Wife | — | Alabama |
| 27 | James Jordan | 13 | Son | — | Alabama |
| 28 | Cecil Jordan | 12 | Son | — | Alabama |
| 29 | Ray Jordan | 9 | Son | — | Alabama |
| 30 | Catherine Jordan | 6 | Daughter | — | Alabama |
| 31 | Curtis Jordan | 5 | Son | — | Alabama |
| 32 | Dorothy Jordan | 3 | Daughter | — | Alabama |
| 33 | Bobby Jordan | 2 | Son | — | Alabama |
| 34 | Will Jackson | 66 | Head | Farmer | Alabama |
| 35 | Viola Jackson | 46 | Wife | — | Alabama |
| 36 | Victoria Jackson | 10 | Daughter | — | Alabama |
| 37 | Bertha Jackson | 8 | Daughter | — | Alabama |
| 38 | Sammy Lee Jackson | 4 | Son | — | Alabama |
| 39 | D. Allen Atchison | 19 | Step son | — | Alabama |
| 40 | Joel Sims | 50 | Lodger | Plumber | 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)