MD
Mamie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wilcox-County, Alabama
Our Model Tree links this Mamie Davis across the 1930 and 1940 US Censuses in Wilcox-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wilcox-County, Alabama |
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Election Precinct 8 Black Bluff |
| 1935 Residence (County) | Wilcox |
| Additional Details | |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Labor |
| Township / Ward | Election Precinct 8 Black Bluff |
| Est. Birth Year | ~1903 |
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 Mamie | Age | Birth yr |
|---|---|---|---|---|
| Annie Davis | Daughter | — | 12 | ~1928 |
| Tommie Davis | Son | — | 17 | ~1923 |
| R Davis | Son | — | 15 | ~1925 |
| Mary Davis | Daughter | — | 18 | ~1922 |
| Sam Davis | Head | — | 46 | ~1894 |
| Irene Davis | Daughter | — | 11 | ~1929 |
| Minnie Jenkins | Other | — | 40 | ~1900 |
| John Davis | Son | — | 16 | ~1924 |
| Mamie Davis | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Wilcox, Alabama
Spouse, age 25
Wilcox, Alabama · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mammie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 16 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Wilcox-County, Alabama
Spouse, age 37
Wilcox-County, Alabama · implied b. ~1903 — 9 household members
| Surname | Davis |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Election Precinct 8 Black Bluff |
| 1935 Residence (County) | Wilcox |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mamie Davis
Spouse · 1940 · age 37 · b. ~1903 · Alabama
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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 — Wilcox-County, Alabama
Open full size
1940 US Federal Census — Wilcox-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00089-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida May Wright | 26 | Head | Farming | Alabama |
| 42 | Alfred Lee Wright | 8 | Son | — | Alabama |
| 43 | Johnnie Lewis Knight | 12 | Lodger | — | Alabama |
| 44 | Francis Mack | 60 | Servant | Laborer | Alabama |
| 45 | Jack Mccall | 44 | Head | Laborer | Alabama |
| 46 | Ethel Mccall | 19 | Daughter | Laborer | Alabama |
| 47 | Mama Mccall | 74 | Mother | — | Alabama |
| 48 | Sam Davis | 46 | Head | Farming | Alabama |
| 49 | Mamie Davis THIS PERSON | 37 | Wife | Labor | Alabama |
| 50 | Mary Ella Davis | 18 | Daughter | Laborer | Alabama |
| 51 | Tommie Davis | 17 | Son | Laborer | Alabama |
| 52 | John H. Davis | 16 | Son | Laborer | Alabama |
| 53 | R. D. Davis | 15 | Son | Laborer | Alabama |
| 54 | Annie May Davis | 12 | Daughter | — | Alabama |
| 55 | Irene Davis | 11 | Daughter | — | Alabama |
| 56 | Minnie L. Jenkins | 40 | Lodger | Teacher | Alabama |
| 57 | Julia Cook | 46 | Head | Farming | Alabama |
| 58 | Mamie Wilson | 33 | Head | Laborer | Alabama |
| 59 | James Wilson | 16 | Son | Laborer | Alabama |
| 60 | Elsie Wilson | 14 | Daughter | Laborer | Alabama |
| 61 | Samuel Wilson | 11 | Son | — | Alabama |
| 62 | Ruth Wilson | 4 | Daughter | — | Alabama |
| 63 | John C. Matthews | 47 | Head | Farming | Alabama |
| 64 | Philis Matthews | 37 | Wife | Farming | Alabama |
| 65 | Della Mcgruder | 22 | Daughter | Labor | Alabama |
| 66 | Samson Perryman | 18 | Son | Labor | Alabama |
| 67 | Freddie Perryman | 17 | Son | Laborer | Alabama |
| 68 | Henry Lee Perryman | 14 | Son | Laborer | Alabama |
| 69 | Nancy Pearl Perryman | 13 | Daughter | — | Alabama |
| 70 | John Henry Costaphen | 5 | Grandson | — | Alabama |
| 71 | F. C. Knight | 13 | Grandson | — | Alabama |
| 72 | Della Knight | 44 | Head | Farming | Alabama |
| 73 | Goldie Knight | 20 | Son | Labor | Alabama |
| 74 | Jack Knight | 20 | Son | Laborer | Alabama |
| 75 | Ella May Knight | 18 | Daughter | Laborer | Alabama |
| 76 | Percy Knight | 16 | Son | — | Alabama |
| 77 | Will Knight | 11 | Son | — | Alabama |
| 78 | Henry Jr. Knight | 9 | Son | — | Alabama |
| 79 | Shedrick Davis | 54 | Head | Farming | Alabama |
| 80 | Edna Davis | 58 | Wife | Laborer | Alabama |
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)