RD
Robert Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Robert Davis across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Obie & W — first a head (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Davis |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Hale |
| 1935 Residence (County) | Hale |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mining |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 7 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Laborer |
| Township / Ward | Bessemer City |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Dora Davis | Daughter | — | 5 | ~1935 |
| Robert Davis | Head | — | 22 | ~1918 |
| Leroy Davis | Son | — | 2 | ~1938 |
| Robert Davis | Son | — | 3 | ~1937 |
| Ruthie Davis | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Jefferson, Alabama
Son, age 1
Jefferson, Alabama · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 11
Jefferson, Alabama · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| 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
Jefferson-County, Alabama
Head, age 22
Jefferson-County, Alabama · implied b. ~1918 — 5 household members
| Surname | Davis |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Hale |
| 1935 Residence (County) | Hale |
| Occupation | Laborer |
| Industry | Mining |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 7 |
| 1935 Residence | Alabama |
| 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 Robert 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 father W Davis (~0.92 confidence) and mother Eliza Davis (~0.92 confidence) and mother Mattie Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Obie Davis
b. ~1886
Source father
● Household
· direct · ~0.92
Father
W Davis
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Eliza Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mattie Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Davis
Head · 1940 · age 22 · b. ~1918 · 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-t0627-00042-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Jr. Ross | 16 | Son | — | Alabama |
| 2 | John Donaldson | 54 | Head | Clerk | Tennessee |
| 3 | Jenny Donaldson | 49 | Wife | Retail Supply | South Carolina |
| 4 | John Jr. Donaldson | 15 | Son | — | Alabama |
| 5 | Mary Donaldson | 13 | Daughter | — | Alabama |
| 6 | Joseph P. Bell | 32 | Head | Operator | Alabama |
| 7 | Virginia D. Bell | 31 | Wife | — | Alabama |
| 8 | Joe P. Bell | 2 | Son | — | Alabama |
| 9 | Blanch Jager | 61 | Mother-in-law | — | Alabama |
| 10 | Thomas D. Hill | 46 | Head | Salesman | South Carolina |
| 11 | Gertrude D. Hill | 3 | Wife | — | Alabama |
| 12 | Andrew Burnett | 73 | Boarder | — | Georgia |
| 13 | Ida Burnett | 71 | Boarder | — | Georgia |
| 14 | — | None | — | — | — |
| 15 | Julie Washington | 42 | Head | Laborer | Alabama |
| 16 | Lucy Washington | 32 | Wife | — | Alabama |
| 17 | Rebecca Broom | 55 | Head | Laundress | Georgia |
| 18 | Isaac Broom | 40 | Son | Mechanic | Georgia |
| 19 | Helen Broom | 24 | Daughter-in-law | — | Georgia |
| 20 | Henry Jr. Broom | 6 | Grandson | — | Alabama |
| 21 | Cecil Broom | 5 | Grandson | — | Alabama |
| 22 | William Broom | 4 | Grandson | — | Alabama |
| 23 | Haywood Broom | 2 | Grandson | — | Alabama |
| 24 | Devessa Broom | 1 | Granddaughter | — | Alabama |
| 25 | Will Wilbur | 60 | Boarder | — | Georgia |
| 26 | Will Harris | 43 | Head | Laborer | Alabama |
| 27 | Ruby Harris | 39 | Wife | — | Alabama |
| 28 | Isabel Martin | 35 | Sister-in-law | — | Alabama |
| 29 | Dexter Harper | 40 | Head | Laborer | Alabama |
| 30 | Johnie Harper | 39 | Wife | — | Alabama |
| 31 | Lois Harper | 16 | Daughter | — | Alabama |
| 32 | Almeta Mcknight | 36 | Cousin | — | Alabama |
| 33 | Bernice Bell | 31 | Head | Servant | Alabama |
| 34 | Jessie M. Jones | 22 | Sister | Servant | Alabama |
| 35 | Kitty Jean Jones | 5 | Niece | — | Alabama |
| 36 | Robert Davis THIS PERSON | 22 | Head | Laborer | Alabama |
| 37 | Ruthie Davis | 21 | Wife | — | Alabama |
| 38 | Dora M. Davis | 5 | Daughter | — | Alabama |
| 39 | Robert Jr. Davis | 3 | Son | — | Alabama |
| 40 | Leroy Davis | 2 | Son | — | Alabama |
Pedigree Summary
Robert
Gen 1 · 4 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)