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Mamie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Newberry-County, South Carolina
Our Model Tree links this Mamie Davis across the 1910, 1920, 1930 and 1940 US Censuses in Newberry-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 10-person household.
Age 47
b. ~1893
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Newberry-County, South Carolina |
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Twp 4 Cromer |
| 1935 Residence (County) | Newberry |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Twp 4 Cromer |
| Est. Birth Year | ~1893 |
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 |
|---|---|---|---|---|
| James Davis | Son | — | 3 | ~1937 |
| Cornelius Davis | Head | — | 50 | ~1890 |
| Mamie Davis | Spouse | — | 47 | ~1893 |
| Bettie Davis | Daughter | — | 4 | ~1936 |
| Woodrow Davis | Son | — | 26 | ~1914 |
| Rufus Davis | Son | — | 12 | ~1928 |
| Sallie Davis | Daughter | — | 24 | ~1916 |
| Annie Davis | Daughter | — | 21 | ~1919 |
| Arlene Davis | Daughter | — | 16 | ~1924 |
| Bertha Davis | Daughter | — | 19 | ~1921 |
Census Appearances
1910
Laurens, South …
Spouse, age 17
Laurens, South Carolina · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mammie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Years Married | 2 |
| Children Born | 1 |
| Children Living | 1 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | No |
| Can Write | No |
| Speaks English | English |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Fairfield, South …
Spouse, age 26
Fairfield, South Carolina · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Newberry, South …
Spouse, age 36
Newberry, South Carolina · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 15 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Homemaker |
| Industry | Own Home |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Newberry-County, South …
Spouse, age 47
Newberry-County, South Carolina · implied b. ~1893 — 10 household members
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Twp 4 Cromer |
| 1935 Residence (County) | Newberry |
| 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 Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 4 locations, using XGBoost record linkage.
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This person
Anchor record
Mamie Davis
Spouse · 1940 · age 47 · b. ~1893 · 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 — Newberry-County, South Carolina
Open full size
1940 US Federal Census — Newberry-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03827-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis Miller | 14 | Head | Helper | South Carolina |
| 2 | Carrie Miller | 20 | Daughter | Cook | South Carolina |
| 3 | Thelma Reid | 5 | Niece | — | South Carolina |
| 4 | John Sanders | 31 | Head | Laborer | South Carolina |
| 5 | Rosa May Sanders | 24 | Wife | — | South Carolina |
| 6 | Lula Mae Sanders | 12 | Daughter | — | South Carolina |
| 7 | Nora Quick | 72 | Head | — | South Carolina |
| 8 | Elizabeth Hallas | 32 | Daughter | — | South Carolina |
| 9 | Orelia Salat | 30 | Daughter | Cook | South Carolina |
| 10 | William Salat | 32 | Son-in-law | Helper | South Carolina |
| 11 | Broadus Coleman | 26 | Head | Yard Work | South Carolina |
| 12 | Elizabeth Coleman | 72 | Grandmother | — | South Carolina |
| 13 | Willie Coleman | 5 | Brother | — | South Carolina |
| 14 | Cornelius Davis | 50 | Head | — | South Carolina |
| 15 | Mamie Davis THIS PERSON | 47 | Wife | — | South Carolina |
| 16 | Woodrow Davis | 26 | Son | Cook | South Carolina |
| 17 | Sallie Sue Davis | 24 | Daughter | Cook | South Carolina |
| 18 | Annie Lee Davis | 21 | Daughter | Cook | South Carolina |
| 19 | Bertha Davis | 19 | Daughter | House Work | South Carolina |
| 20 | Arlene Davis | 16 | Daughter | House Work | South Carolina |
| 21 | Rufus Davis | 12 | Son | — | South Carolina |
| 22 | Bettie Joe Davis | 4 | Daughter | — | South Carolina |
| 23 | James Robert Davis | 3 | Son | — | South Carolina |
| 24 | Henry Gillian | 28 | Head | Clothes Cleaner | South Carolina |
| 25 | Marie Gillian | 24 | Wife | — | South Carolina |
| 26 | Evander Gillian | 2 | Daughter | — | South Carolina |
| 27 | William H. Gillian | 4 | Son | — | South Carolina |
| 28 | Claudia Gillian | 2 | Daughter | — | South Carolina |
| 29 | Davis Gillian | 1 | Son | — | South Carolina |
| 30 | Lawrence Mance | 29 | Head | Loom Mechanic | Virginia |
| 31 | Eula Mance | 22 | Wife | — | Virginia |
| 32 | George Mance | 3 | Son | — | South Carolina |
| 33 | Marvin Johnson | 29 | Head | Truck Driver | South Carolina |
| 34 | Louise Johnson | 24 | Wife | — | South Carolina |
| 35 | Nellie Johnson | 12 | Daughter | — | South Carolina |
| 36 | Brice Johnson | 7 | Son | — | South Carolina |
| 37 | Fred Watkins | 27 | Head | Spinning Room | Alabama |
| 38 | Annie Mae Watkins | 25 | Wife | Spinning Room | South Carolina |
| 39 | Bettie Joe Watkins | 6 | Daughter | — | South Carolina |
| 40 | Donald Watkins | 4 | Son | — | South Carolina |
Related Census Records
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)