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Mamie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orangeburg-County, South Carolina
Our Model Tree links this Mamie Williams across the 1930 and 1940 US Censuses in Orangeburg-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 10-person household.
Age 30
b. ~1910
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orangeburg-County, South Carolina |
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rocky Grove township |
| 1935 Residence (County) | Orangeburg |
| Additional Details | |
| Occupation | Farm Labour |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 40 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Labour |
| Township / Ward | Rocky Grove Township |
| Est. Birth Year | ~1910 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Essie Williams | Daughter | — | 3 | ~1937 |
| Camilla Williams | Daughter | — | 4 | ~1936 |
| Claudine Williams | Daughter | — | 10 | ~1930 |
| Jealine Williams | Daughter | — | 1 | ~1939 |
| Jessie Williams | Daughter | — | 14 | ~1926 |
| James Williams | Head | — | 34 | ~1906 |
| Lawrence Williams | Son | — | 7 | ~1933 |
| James Williams | Son | — | 9 | ~1931 |
| Leroy Williams | Son | — | 11 | ~1929 |
| Mamie Williams | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Orangeburg, South …
Other, age 19
Orangeburg, South Carolina · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 17 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Orangeburg-County, South …
Spouse, age 30
Orangeburg-County, South Carolina · implied b. ~1910 — 10 household members
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rocky Grove township |
| 1935 Residence (County) | Orangeburg |
| Occupation | Farm Labour |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 40 |
| Highest Grade | No 4 |
| 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 Mamie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mamie Williams
Spouse · 1940 · age 30 · b. ~1910 · 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 — Orangeburg-County, South Carolina
Open full size
1940 US Federal Census — Orangeburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03830-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Linwood West | 10 | Son | — | South Carolina |
| 42 | Carl West | 31 | Head | Time Keeper | South Carolina |
| 43 | Irene West | 33 | Wife | — | South Carolina |
| 44 | Eileen West | 11 | Daughter | — | South Carolina |
| 45 | Marie West | 9 | Daughter | — | South Carolina |
| 46 | Margaret West | 7 | Daughter | — | South Carolina |
| 47 | Evelyn West | 5 | Daughter | — | South Carolina |
| 48 | Estelle West | 1 | Daughter | — | South Carolina |
| 49 | James Williams | 34 | Head | Farm Labour | South Carolina |
| 50 | Mamie Williams THIS PERSON | 30 | Wife | Farm Labour | South Carolina |
| 51 | Jessie Mae Williams | 14 | Daughter | — | South Carolina |
| 52 | Leroy Williams | 11 | Son | — | South Carolina |
| 53 | Claudine Williams | 10 | Daughter | — | South Carolina |
| 54 | James Jr. Williams | 9 | Son | — | South Carolina |
| 55 | Lawrence Williams | 7 | Son | — | South Carolina |
| 56 | Camilla Williams | 4 | Daughter | — | South Carolina |
| 57 | Essie Lee Williams | 3 | Daughter | — | South Carolina |
| 58 | Jealine Williams | 1 | Daughter | — | South Carolina |
| 59 | Henry B. Perry | 60 | Head | Farm Labour | South Carolina |
| 60 | J. D. Moncrey | 71 | Head | — | South Carolina |
| 61 | Leathea Moncrey | 69 | Wife | — | South Carolina |
| 62 | Roland Corbitt | 28 | Head | Farm Labour | South Carolina |
| 63 | Cleola Corbitt | 26 | Wife | Farm Labour | South Carolina |
| 64 | David Corbitt | 11 | Son | — | South Carolina |
| 65 | Willie Mae Corbitt | 9 | Daughter | — | South Carolina |
| 66 | Neressa Corbitt | 7 | Daughter | — | South Carolina |
| 67 | Clarine Corbitt | 4 | Daughter | — | South Carolina |
| 68 | Wengie Lee Corbitt | 1 | Daughter | — | South Carolina |
| 69 | Lawrence Williams | 23 | Head | Farm Labour | South Carolina |
| 70 | Lucille Williams | 17 | Wife | — | South Carolina |
| 71 | Lonzie Williams | 2 | Son | — | South Carolina |
| 72 | Newman Williams | 12 | Son | — | South Carolina |
| 73 | Isadore Tyler | 30 | Head | Farm Labour | South Carolina |
| 74 | Clara Tyler | 30 | Wife | Farm Labour | South Carolina |
| 75 | Louise Tyler | 14 | Daughter | — | South Carolina |
| 76 | Rena Tyler | 13 | Daughter | — | South Carolina |
| 77 | Isadore Tyler | 9 | Son | — | South Carolina |
| 78 | Pearline Tyler | 8 | Daughter | — | South Carolina |
| 79 | Van Tyler | 4 | Son | — | South Carolina |
| 80 | John Tyler | 5 | Son | — | 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)