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William Williamson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Smith-County, Mississippi
Our Model Tree links this William Williamson across the 1920, 1930 and 1940 US Censuses in Smith-County, Mississippi (XGBoost, ~Confirmed), with identified parents Julia & Annie — first a head (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Smith-County, Mississippi |
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 5 |
| Additional Details | |
| Occupation | Operator |
| Industry | General Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Operator |
| Township / Ward | Beat 5 |
| Est. Birth Year | ~1915 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lodell Williamson | Daughter | — | 5 | ~1935 |
| Idell Williamson | Daughter | — | 4 | ~1936 |
| Doris Williamson | Daughter | — | 1 | ~1939 |
| William Williamson | Head | — | 25 | ~1915 |
| Olevia Williamson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Smith, Mississippi
Son, age 5
Smith, Mississippi · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Smith, Mississippi
Son, age 15
Smith, Mississippi · implied b. ~1915 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Smith-County, Mississippi
Head, age 25
Smith-County, Mississippi · implied b. ~1915 — 5 household members
| Surname | Williamson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 5 |
| Occupation | Operator |
| Industry | General Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 William Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Julia Williamson (~0.92 confidence) and mother Annie Williamson (~0.92 confidence) and father Alex Williamson (~0.92 confidence) and mother Connie Williamson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Julia Williamson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Williamson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Alex Williamson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Connie Williamson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Williamson
Head · 1940 · age 25 · b. ~1915 · Mississippi
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Smith-County, Mississippi
Open full size
1940 US Federal Census — Smith-County, Mississippi
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02065-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Mcneil | 26 | Head | Operator | Mississippi |
| 42 | Ina B. Mcneil | 21 | Wife | — | Mississippi |
| 43 | Floyd Mcneil | 3 | Son | — | Mississippi |
| 44 | Darance Mcneil | 2 | Son | — | Mississippi |
| 45 | W. L. Stringer | 49 | Head | Operator | Mississippi |
| 46 | Nannie Stringer | 41 | Wife | — | Mississippi |
| 47 | James Stringer | 11 | Son | — | Mississippi |
| 48 | John Stringer | 10 | Son | — | Mississippi |
| 49 | Alex Williamson | 55 | Head | Operator | Mississippi |
| 50 | Annie Williamson | 52 | Wife | — | Mississippi |
| 51 | Alex Jr. Williamson | 21 | Son | Operator | Mississippi |
| 52 | Charlie Williamson | 19 | Son | — | Mississippi |
| 53 | Ellis Williamson | 17 | Son | — | Mississippi |
| 54 | R. J. Williamson | 15 | Son | — | Mississippi |
| 55 | Dewitte Williamson | 13 | Son | — | Mississippi |
| 56 | J. D. Williamson | 9 | Son | — | Mississippi |
| 57 | Riley Williamson | 29 | Head | Operator | Mississippi |
| 58 | Burnice Williamson | 12 | Daughter | — | Mississippi |
| 59 | Janette Williamson | 11 | Daughter | — | Mississippi |
| 60 | Edgar Williamson | 10 | Son | — | Mississippi |
| 61 | Herbert Williamson | 9 | Son | — | Mississippi |
| 62 | Willie B. Williamson | 8 | Son | — | Mississippi |
| 63 | Dorothy Jean Williamson | 6 | Daughter | — | Mississippi |
| 64 | Pradeen Williamson | 4 | Daughter | — | Mississippi |
| 65 | Cash Jr. Williamson | 2 | Son | — | Mississippi |
| 66 | Henry Williamson | 1 | Son | — | Mississippi |
| 67 | William Williamson THIS PERSON | 25 | Head | Operator | Mississippi |
| 68 | Olevia Williamson | 26 | Wife | — | Mississippi |
| 69 | Lodell Williamson | 5 | Daughter | — | Mississippi |
| 70 | Idell Williamson | 4 | Daughter | — | Mississippi |
| 71 | Doris Ruth Williamson | 1 | Daughter | — | Mississippi |
| 72 | Robert Williamson | 36 | Head | Operator | Mississippi |
| 73 | Rosa Williamson | 34 | Wife | — | Mississippi |
| 74 | Claude Williamson | 45 | Head | Operator | Mississippi |
| 75 | Lula Mae Williamson | 29 | Wife | — | Mississippi |
| 77 | Willie Flowers | 43 | Head | Operator | Mississippi |
| 78 | Sallie Flowers | 42 | Wife | — | Mississippi |
| 79 | Rhone Flowers | 56 | Head | Laborer | Mississippi |
Pedigree Summary
William
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)