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Mary Wilson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Williamsburg-County, South Carolina
Our Model Tree links this Mary Wilson across the 1920, 1930 and 1940 US Censuses in Williamsburg-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamsburg-County, South Carolina |
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter Township |
| 1935 Residence (County) | Williamsburg |
| Additional Details | |
| Class of Worker | PW |
| Hours Worked | 5 |
| Highest Grade | No 0 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Sumter Township |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rosa Wilson | Daughter | — | 10 | ~1930 |
| Nellie Wilson | Daughter | — | 13 | ~1927 |
| Haskel Wilson | Head | — | 28 | ~1912 |
| Sam Wilson | Other | — | 16 | ~1924 |
| Mark Wilson | Son | — | 8 | ~1932 |
| Carlisle Wilson | Son | — | 19 | ~1921 |
| Mary Wilson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Williamsburg, South …
Other, age 5
Williamsburg, South Carolina · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Grand Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Williamsburg, South …
Other, age 14
Williamsburg, South Carolina · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Step daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Williamsburg-County, South …
Spouse, age 25
Williamsburg-County, South Carolina · implied b. ~1915 — 7 household members
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Sumter Township |
| 1935 Residence (County) | Williamsburg |
| Class of Worker | PW |
| Hours Worked | 5 |
| Highest Grade | No 0 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Mary Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Wilson
Spouse · 1940 · age 25 · b. ~1915 · South Carolina
★ 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 — Williamsburg-County, South Carolina
Open full size
1940 US Federal Census — Williamsburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03844-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosa Button | 52 | Wife | — | South Carolina |
| 42 | Marvin Montgomery | 18 | Son-in-law | Laborer | South Carolina |
| 43 | Lizzie Montgomery | 18 | Daughter | — | South Carolina |
| 44 | Haskel Wilson | 28 | Head | Farmer | South Carolina |
| 45 | Mary Wilson THIS PERSON | 25 | Wife | — | South Carolina |
| 46 | Carlisle Wilson | 19 | Son | Helper | South Carolina |
| 47 | Nellie Wilson | 13 | Daughter | — | South Carolina |
| 48 | Rosa Wilson | 10 | Daughter | — | South Carolina |
| 49 | Mark L. Wilson | 8 | Son | — | South Carolina |
| 50 | Sam M. Wilson | 16 | Nephew | Helper | South Carolina |
| 51 | Archie S. Flowers | 20 | Head | Farmer | South Carolina |
| 52 | Catharine M. Flowers | 22 | Wife | — | South Carolina |
| 53 | Rachel L. Flowers | 3 | Daughter | — | South Carolina |
| 54 | Dorothy Ann Flowers | 0 | Daughter | — | South Carolina |
| 55 | Joe Brown | 28 | Head | Laborer | South Carolina |
| 56 | Effie Brown | 23 | Wife | — | South Carolina |
| 57 | William L. Brown | 5 | Son | — | South Carolina |
| 58 | Norman M. Gourney | 62 | Head | Farmer | South Carolina |
| 59 | Lula M. Gourney | 54 | Wife | — | South Carolina |
| 60 | N. Michael Gourney | 22 | Son | Helper | South Carolina |
| 61 | William D. Portah | 45 | Head | Farmer | South Carolina |
| 62 | Elizabeth C. Portah | 44 | Wife | — | Georgia |
| 63 | Ellen V. Portah | 17 | Daughter | — | South Carolina |
| 64 | Nina B. Portah | 14 | Daughter | — | South Carolina |
| 65 | Harriet A. Portah | 12 | Daughter | — | South Carolina |
| 66 | James Knight | 35 | Head | Farmer | South Carolina |
| 67 | Frances Knight | 33 | Wife | — | South Carolina |
| 68 | Louise Knight | 13 | Daughter | — | South Carolina |
| 69 | Orie Knight | 7 | Nephew | — | South Carolina |
| 70 | York Anderson | 40 | Head | Farmer | South Carolina |
| 71 | Mary Anderson | 37 | Wife | — | South Carolina |
| 72 | Minnie Anderson | 17 | Daughter | — | South Carolina |
| 73 | Leon Anderson | 15 | Son | — | South Carolina |
| 74 | Elick Anderson | 14 | Son | — | South Carolina |
| 75 | John L. Anderson | 12 | Son | — | South Carolina |
| 76 | David Anderson | 10 | Son | — | South Carolina |
| 77 | James Anderson | 7 | Son | — | South Carolina |
| 78 | Christine Anderson | 2 | Daughter | — | South Carolina |
| 79 | Lizzie Thomas | 58 | Head | — | South Carolina |
| 80 | John Henry Thomas | 20 | Daughter | W.P.A. | South Carolina |
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)