MS
Mary Snider — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, South Carolina
Our Model Tree links this Mary Snider across the 1930 and 1940 US Censuses in Calhoun-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, South Carolina |
| Surname | Snider |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 60 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Lyons |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Isaac Snider | Son | — | 18 | ~1922 |
| Zetie Snider | Daughter | — | 13 | ~1927 |
| Jessie Snider | Head | — | 60 | ~1880 |
| Mary Snider | Daughter | — | 15 | ~1925 |
| Anna Snider | Daughter | — | 16 | ~1924 |
| Martha Snider | Spouse | — | 54 | ~1886 |
| Phillip Snider | Son | — | 17 | ~1923 |
Census Appearances
1930
Calhoun, South …
Daughter, age 7
Calhoun, South Carolina · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snider |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Calhoun-County, South …
Daughter, age 15
Calhoun-County, South Carolina · implied b. ~1925 — 7 household members
| Surname | Snider |
| Given Name | Mary Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Lyons |
| 1935 Residence (County) | Calhoun |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 60 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Snider across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Snider
Daughter · 1940 · age 15 · b. ~1925 · South Carolina
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Sibling
Isaac Snider
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Snider
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Zetie Snider
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Snider
Sibling · 1940 · age 17
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 — Calhoun-County, South Carolina
Open full size
1940 US Federal Census — Calhoun-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03792-00324)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ed Grimes | 52 | Head | Farmer | South Carolina |
| 42 | Georgiana Grimes | 40 | Wife | — | South Carolina |
| 43 | Albertha Grimes | 26 | Daughter | Laborer | South Carolina |
| 44 | Ed Jr Grimes | 17 | Son | Laborer | South Carolina |
| 45 | Gertie Mae Grimes | 13 | Daughter | — | South Carolina |
| 46 | Mae Ersel Grimes | 5 | Daughter | — | South Carolina |
| 47 | Le Roy Grimes | 3 | Son | — | South Carolina |
| 48 | Willie Baltzegar | 53 | Head | Farmer | South Carolina |
| 49 | Edithbelle Baltzegar | 50 | Wife | — | South Carolina |
| 50 | Rufus Baltzegar | 30 | Son | Laborer | South Carolina |
| 51 | Odelle Baltzegar | 28 | Son | Laborer | South Carolina |
| 52 | Willie Mae Baltzegar | 13 | Daughter | — | South Carolina |
| 53 | Joe Baltzegar | 10 | Son | — | South Carolina |
| 54 | Jessie Snider | 60 | Head | Farmer | South Carolina |
| 55 | Martha Snider | 54 | Wife | — | South Carolina |
| 56 | Isaac Snider | 18 | Son | Laborer | South Carolina |
| 57 | Phillip Snider | 17 | Son | Laborer | South Carolina |
| 58 | Anna Julia Snider | 16 | Daughter | Laborer | South Carolina |
| 59 | Mary Ann Snider THIS PERSON | 15 | Daughter | Laborer | South Carolina |
| 60 | Zetie Mae Snider | 13 | Daughter | — | South Carolina |
| 61 | Robert Thomas | 44 | Head | Farmer | South Carolina |
| 62 | Nester Thomas | 39 | Wife | — | South Carolina |
| 63 | Nathaniel Thomas | 16 | Son | — | South Carolina |
| 64 | Caldwell Thomas | 12 | Son | — | South Carolina |
| 65 | Willie Mae Thomas | 11 | Daughter | — | South Carolina |
| 66 | Henry Lee Thomas | 10 | Son | — | South Carolina |
| 67 | Robert Jr Thomas | 9 | Son | — | South Carolina |
| 68 | Paul James Thomas | 5 | Son | — | South Carolina |
| 69 | Freeman Thomas | 1 | Son | — | South Carolina |
| 70 | Clarence Perry | 31 | Head | Farmer | South Carolina |
| 71 | Mamie Perry | 31 | Wife | — | South Carolina |
| 72 | Della Mae Perry | 4 | Daughter | — | South Carolina |
| 73 | Eline Perry | 2 | Daughter | — | South Carolina |
| 74 | Thelma Perry | 1 | Daughter | — | South Carolina |
| 75 | Della Randolph | 85 | Mother-in-law | — | South Carolina |
| 76 | Peter Brunson | 37 | Head | Farmer | South Carolina |
| 77 | Rosa Lee Brunson | 35 | Wife | — | South Carolina |
| 78 | Helen T Brunson | 8 | Daughter | — | South Carolina |
| 79 | Thaddeus Brunson | 6 | Son | — | South Carolina |
| 80 | Flossie M Brunson | 5 | Daughter | — | 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)