MS
Mary Snow — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Williamsburg-County, South Carolina
Our Model Tree links this Mary Snow across the 1930 and 1940 US Censuses in Williamsburg-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamsburg-County, South Carolina |
| Surname | Snow |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mangs Township |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 20 |
| Income (1939) | 888 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Mangs Township |
| Est. Birth Year | ~1916 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Bee Snow | Son | — | 7 | ~1933 |
| Mella Snow | Other | — | 50 | ~1890 |
| Tom Snow | Head | — | 22 | ~1918 |
| Thomas Snow | Other | — | 19 | ~1921 |
| Leather Snow | Daughter | — | 2 | ~1938 |
| Mella Snow | Daughter | — | 12 | ~1928 |
| Mary Snow | Spouse | — | 24 | ~1916 |
| Cleo Snow | Daughter | — | 5 | ~1935 |
| Rachel Snow | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Williamsburg, South …
Daughter, age 15
Williamsburg, South Carolina · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snow |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Williamsburg-County, South …
Spouse, age 24
Williamsburg-County, South Carolina · implied b. ~1916 — 9 household members
| Surname | Snow |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mangs Township |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 20 |
| Income (1939) | 888 |
| Highest Grade | No 6 |
| 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 Snow across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Snow
Spouse · 1940 · age 24 · b. ~1916 · South Carolina
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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-t0627-03844-00705)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter M. Presley | 37 | Head | Farmer | South Carolina |
| 2 | Eula Presley | 30 | Wife | Farmer | South Carolina |
| 3 | Leroy Presley | 10 | Son | Laborer | South Carolina |
| 4 | Lamar Presley | 8 | Son | — | South Carolina |
| 5 | Peter Jr. Presley | 7 | Son | — | South Carolina |
| 6 | Cleveland Presley | 5 | Son | — | South Carolina |
| 7 | Fanny Mae Presley | 3 | Daughter | — | South Carolina |
| 8 | Ettie J. Presley | 1 | Daughter | — | South Carolina |
| 9 | Oliver Grayson | 39 | Head | Farmer | South Carolina |
| 10 | Essie Grayson | 32 | Wife | Laborer | South Carolina |
| 11 | Odell Grayson | 13 | Daughter | Laborer | South Carolina |
| 12 | James Grayson | 12 | Son | — | South Carolina |
| 13 | Shirley Grayson | 6 | Daughter | — | South Carolina |
| 14 | Eula Mae Grayson | 10 | Daughter | — | South Carolina |
| 15 | Juanita Grayson | 5 | Daughter | — | South Carolina |
| 16 | Idell Grayson | 7 | Daughter | — | South Carolina |
| 17 | Tom Snow | 22 | Head | Farmer | South Carolina |
| 18 | Mary Snow THIS PERSON | 24 | Wife | Laborer | South Carolina |
| 19 | Rachel Snow | 9 | Daughter | — | South Carolina |
| 20 | Bee Snow | 7 | Son | — | South Carolina |
| 21 | Cleo Snow | 5 | Daughter | — | South Carolina |
| 22 | Leather Snow | 2 | Daughter | — | South Carolina |
| 23 | Mella Snow | 12 | Daughter | — | South Carolina |
| 24 | Thomas Snow | 19 | Son-in-law | Laborer | South Carolina |
| 25 | Mella Snow | 50 | Mother-in-law | — | South Carolina |
| 26 | Elliott Snow | 68 | Head | Farmer | South Carolina |
| 27 | Sallie Snow | 66 | Wife | — | South Carolina |
| 28 | Maggie Snow | 63 | Sister | — | South Carolina |
| 29 | Lonza Snow | 17 | Son | Laborer | South Carolina |
| 30 | John D. Snow | 11 | Son | — | South Carolina |
| 31 | Willie Allie | 39 | Head | Farmer | South Carolina |
| 32 | Ina Allie | 66 | Wife | — | South Carolina |
| 33 | Catherine Allie | 52 | Sister | Laborer | South Carolina |
| 34 | Willie Sr. Grayson | 57 | Head | Farmer | South Carolina |
| 35 | Mary Grayson | 45 | Wife | Laborer | South Carolina |
| 36 | Eddie Grayson | 33 | Son | — | South Carolina |
| 37 | Jamie Grayson | 16 | Daughter | Laborer | South Carolina |
| 38 | Willie Jr. Grayson | 3 | Son | — | South Carolina |
| 39 | Alexander Grayson | 56 | Head | Farmer | South Carolina |
| 40 | Mary Grayson | 36 | Wife | Laborer | 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)