OD
Oscar Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Oscar Davis across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Obie & Eliza — first a head (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Davis |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | City Street Dept |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Truck Driver |
| Township / Ward | Birmingham |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Davis | Head | — | 30 | ~1910 |
| Emma Davis | Daughter | — | 11 | ~1929 |
| Margaret Davis | Spouse | — | 27 | ~1913 |
| Samuel Davis | Son | — | 10 | ~1930 |
| Earnestine Davis | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Jefferson, Alabama
Son, age 12
Jefferson, Alabama · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Osborn |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 21
Jefferson, Alabama · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Teamster |
| Industry | pipe shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 30
Jefferson-County, Alabama · implied b. ~1910 — 5 household members
| Surname | Davis |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Truck Driver |
| Industry | City Street Dept |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 780 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| 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 Oscar Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Obie Davis (~0.92 confidence) and mother Eliza Davis (~0.92 confidence) and mother Susie Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Obie Davis
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Eliza Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Susie Davis
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Davis
Head · 1940 · age 30 · b. ~1910 · 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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00097-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Carson | 20 | Boarder | — | Alabama |
| 2 | David Merritt | 25 | Head | Laborer | Alabama |
| 3 | Eva Merritt | 25 | Wife | — | Georgia |
| 4 | David Jr. Merritt | 3 | Son | — | Alabama |
| 5 | Samuel Merritt | 1 | Son | — | Alabama |
| 6 | Jim Pledger | 37 | Head | Butcher | Alabama |
| 7 | Mary Pledger | 38 | Wife | — | Alabama |
| 8 | Ethel M. Pledger | 16 | Daughter | — | Alabama |
| 9 | Lorene Pledger | 13 | Daughter | — | Alabama |
| 10 | Jim Jr. Pledger | 10 | Son | — | Alabama |
| 11 | Isaac Pledger | 10 | Son | — | Alabama |
| 12 | Willis Pledger | 8 | Son | — | Alabama |
| 13 | Benjamin Pledger | 3 | Son | — | Alabama |
| 14 | Nella Williams | 23 | Sister in Law | — | Alabama |
| 15 | Sidney Williams | 1 | Nephew | — | Alabama |
| 16 | Jimmie Williams | 47 | Head | Coverer | Alabama |
| 17 | Carrie Williams | 35 | Wife | — | Alabama |
| 18 | Louisa Williams | 14 | Daughter | — | Alabama |
| 19 | Jimmie Williams | 13 | Son | — | Alabama |
| 20 | Clarence Williams | 6 | Son | — | Alabama |
| 21 | Mary L. Williams | 2 | Daughter | — | Alabama |
| 22 | Eliza Smith | 16 | Niece | — | Alabama |
| 23 | Lee Staples | 39 | Head | Moulder Helper | Alabama |
| 24 | Lee A. Staples | 38 | Wife | — | Alabama |
| 25 | Samuel Staples | 22 | Son | Cook | Alabama |
| 26 | Mary E. Staples | 20 | Daughter | — | Alabama |
| 27 | Laura Staples | 11 | Daughter | — | Alabama |
| 28 | Joseph Staples | 9 | Son | — | Alabama |
| 29 | Bessie M. Staples | 7 | Daughter | — | Alabama |
| 30 | Louise Staples | 4 | Daughter | — | Alabama |
| 31 | Bernice Staples | 2 | Daughter | — | Alabama |
| 32 | Henry Cooper | 8 | Grandson | — | Alabama |
| 33 | Hosea Howard | 24 | Head | Clerk | Alabama |
| 34 | Sarah Howard | 20 | Sister | Maid | Alabama |
| 35 | Mattie Emma Howard | 50 | Mother | — | Alabama |
| 36 | Oscar Davis THIS PERSON | 30 | Head | Truck Driver | Alabama |
| 37 | Margaret Davis | 27 | Wife | — | Alabama |
| 38 | Emma Davis | 11 | Daughter | — | Alabama |
| 39 | Samuel Davis | 10 | Son | — | Alabama |
| 40 | Earnestine Davis | 7 | Daughter | — | Alabama |
Pedigree Summary
Oscar
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)