MD
Mary Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Russell-County, Alabama
Our Model Tree links this Mary Davis across the 1920, 1930 and 1940 US Censuses in Russell-County, Alabama (XGBoost, ~Confirmed), with identified parents Carl & John — first a spouse (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Russell-County, Alabama |
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Unincorporated place Brickyard |
| 1935 Residence (County) | Russell |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Unincorporated Place Brickyard |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Minnie Davis | Daughter | — | 8 | ~1932 |
| Charles Davis | Head | — | 28 | ~1912 |
| Mary Davis | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Russell, Alabama
Daughter, age 7
Russell, Alabama · implied b. ~1913 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Russell, Alabama
Daughter, age 16
Russell, Alabama · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Russell-County, Alabama
Spouse, age 26
Russell-County, Alabama · implied b. ~1914 — 3 household members
| Surname | Davis |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Unincorporated place Brickyard |
| 1935 Residence (County) | Russell |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 3 |
| 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. Identified parents: father Carl Davis (~0.92 confidence) and father John Davis (~0.92 confidence) and mother Nancy Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Davis
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Nancy Davis
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Davis
Spouse · 1940 · age 26 · b. ~1914 · Alabama
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Russell-County, Alabama
Open full size
1940 US Federal Census — Russell-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00077-00515)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles (X) Davis | 28 | Head | Truck Driver | Alabama |
| 42 | Mary Davis THIS PERSON | 26 | Wife | — | Alabama |
| 43 | Minnie Davis | 8 | Daughter | — | Alabama |
| 44 | Cleveland Flanagan | 50 | Head | Laborer | Alabama |
| 45 | Annie Flanagan | 35 | Wife | — | Alabama |
| 46 | Abell Gurgans | 35 | Head | Cook | Alabama |
| 47 | Willie Gurgans | 23 | Lodger | Laborer | Alabama |
| 48 | Sallie Jackson | 33 | Head | Laborer | Alabama |
| 49 | Mary Jackson | 8 | Daughter | — | Alabama |
| 50 | Homer Short | 22 | Lodger | — | Alabama |
| 51 | Earline Gurgans | 30 | Head | — | Alabama |
| 52 | Albert Gurgans | 12 | Son | — | Alabama |
| 53 | Janice Gurgans | 8 | Daughter | — | Alabama |
| 54 | Mae Reese | 30 | Head | — | Alabama |
| 55 | Seneca Tilling | 35 | Head | — | Georgia |
| 56 | J. D. Wilson | 9 | Friend | — | Alabama |
| 57 | J. T. Johns | 13 | Nephew | — | Alabama |
| 58 | Curno Ham | 33 | Brother-in-law | Laborer | Alabama |
| 59 | Joe Bone | 47 | Lodger | Farmer | Alabama |
| 60 | Raymond Bone | 24 | Lodger | — | Alabama |
| 61 | Adeline Johns | 15 | Lodger | — | Alabama |
| 62 | John (X) White | 23 | Head | Laborer | Alabama |
| 63 | Jannie White | 23 | Wife | — | Alabama |
| 64 | V. L. Hammond | 37 | Head | Laborer | Alabama |
| 65 | John Hammond | 18 | Son | — | Alabama |
| 66 | Gen Hammond | 16 | Son | Laborer | Alabama |
| 67 | Sara Beverly | 65 | Mother | — | Alabama |
| 68 | V. L. Hammond | 36 | Head | — | Alabama |
| 69 | Will Hammond | 28 | Husband | Laborer | Alabama |
| 70 | Albert Taylor | 42 | Head | Laborer | Alabama |
| 71 | Alberta Taylor | 35 | Wife | — | Alabama |
| 72 | J. L. Taylor | 21 | Son | — | Alabama |
| 73 | Lizzie Taylor | 20 | Daughter | Laborer | Alabama |
| 74 | Jessie Taylor | 7 | Grandchild | — | Alabama |
| 75 | Albert Taylor | 5 | Grandchild | — | Alabama |
| 76 | J. D. Taylor | 3 | Grandchild | — | Alabama |
| 77 | Dan Stephens | 21 | Lodger | Laborer | Alabama |
| 78 | Lizzie Stephens | 20 | Lodger | — | Alabama |
| 79 | Mary Stephens | 15 | Lodger | — | Alabama |
| 80 | A. C. Taylor | 20 | Son | Laborer | Alabama |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)