MD
Mary Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Autauga, Alabama
Our Model Tree links this Mary Davis across the 1920, 1930 and 1940 US Censuses in Autauga, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 6-person household.
Age 28
b. ~1902
Female
Spouse
Born: Alabama
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Autauga, Alabama |
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 17 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farm Laborer |
| Township / Ward | Washington Precinct 2 |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ettie Davis | Daughter | — | 1 | ~1929 |
| Ethel Davis | Daughter | — | 6 | ~1924 |
| Frances Davis | Daughter | — | 8 | ~1922 |
| Harrison Davis | Head | — | 34 | ~1896 |
| Albert Davis | Son | — | 11 | ~1919 |
| Mary Davis | Spouse | — | 28 | ~1902 |
Census Appearances
1920
Autauga, Alabama
Spouse, age 20
Autauga, Alabama · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Autauga, Alabama
Spouse, age 28
Autauga, Alabama · implied b. ~1902 — 6 household members
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 17 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farm laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Autauga-County, Alabama
Spouse, age 40
Autauga-County, Alabama · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Election Precinct 1 Prattville |
| 1935 Residence (County) | Autauga |
| Occupation | Housewife |
| Industry | Home |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 0 |
| 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 Mary Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Davis
Spouse · 1930 · age 28 · b. ~1902 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Autauga, Alabama
Open full size
1930 US Federal Census — Autauga, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1usce:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Mack | 17 | Son | — | Alabama |
| 2 | Jessie Edgar | 52 | Head | Farmer | Alabama |
| 3 | Kate Edgar | 51 | Wife | Farm Laborer | Alabama |
| 4 | James Edgar | 11 | Son | Farm Laborer | Alabama |
| 5 | Mary Debodlahon | 35 | Head | Farmer | Alabama |
| 6 | Abbie Ralph | 40 | Head | Farmer | Alabama |
| 7 | Castar Ralph | 16 | Daughter | Farm Laborer | Alabama |
| 8 | Lily Ralph | 14 | Daughter | Farm Laborer | Alabama |
| 9 | Claud Davis | 27 | Head | Farmer | Alabama |
| 10 | Lula Davis | 23 | Wife | Farm Laborer | Alabama |
| 11 | George Davis | 2 | Son | — | Alabama |
| 12 | Harrison Davis | 34 | Head | Farmer | Alabama |
| 13 | Mary Davis THIS PERSON | 28 | Wife | Farm Laborer | Alabama |
| 14 | Albert Davis | 11 | Son | — | Alabama |
| 15 | Frances Davis | 8 | Daughter | — | Alabama |
| 16 | Ethel L. Davis | 6 | Daughter | — | Alabama |
| 17 | Ettie L. Davis | 1 | Daughter | — | Alabama |
| 18 | Daisy Boaman | 32 | Head | Farmer | Alabama |
| 19 | Ida Boaman | 32 | Wife | Farm Laborer | Alabama |
| 20 | Clarence Boaman | 7 | Son | — | Alabama |
| 21 | Stokes Boaman | 6 | Son | — | Alabama |
| 22 | Frank Boaman | 5 | Son | — | Alabama |
| 23 | Ida Boaman | 4 | Daughter | — | Alabama |
| 24 | Lily Boaman | 1 | Daughter | — | Alabama |
| 25 | James H. Richard | 40 | Head | Farmer | Alabama |
| 26 | Loretta Richard | 10 | Son | — | Alabama |
| 27 | Thomas Miles | 28 | Head | Farmer | Alabama |
| 28 | Verna Miles | 34 | Wife | Farm Laborer | Alabama |
| 29 | W. B. Hubbard | 65 | Head | Farmer | Alabama |
| 30 | Hattie Hubbard | 52 | Wife | Farm Laborer | Alabama |
| 31 | J. A. Hubbard | 53 | Brother | — | Alabama |
| 32 | Frank Miles | 60 | Head | Farmer | Alabama |
| 33 | Mitchel Miles | 20 | Son | Farm Laborer | Alabama |
| 34 | Wash Miles | 18 | Son | Farm Laborer | Alabama |
| 35 | Mary Miles | 16 | Daughter | Farm Laborer | Alabama |
| 36 | Luvesta Miles | 14 | Daughter | — | Alabama |
| 37 | Bertha Miles | 13 | Daughter | — | Alabama |
| 38 | Ida Miles | 11 | Daughter | — | Alabama |
| 39 | Ed Davis | 60 | Head | Farmer | Alabama |
| 40 | Emma Davis | 40 | Wife | Farm Laborer | Alabama |
| 41 | Samson Davis | 10 | Son | — | Alabama |
| 42 | Willie Miles | 45 | Head | Farm Laborer | Alabama |
| 43 | George Langford | 50 | Head | Road Overseer | Alabama |
| 44 | Alice Langford | 47 | Wife | — | Alabama |
| 45 | Alice Langford | 12 | Daughter | — | Alabama |
| 46 | Annie Covington | 25 | Head | Farm Laborer | Alabama |
| 47 | Rebecca Covington | 5 | Daughter | — | Alabama |
| 48 | Jimmie Covington | 2 | Son | — | Alabama |
| 49 | Annie Lewis | 52 | Head | Farm Laborer | Alabama |
| 50 | Norah Calhoone | 30 | Daughter | Farm Laborer | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)