RD
Robert Douglas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Robert Douglas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Shelly & Ida — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | stock man |
| Industry | Tin mill |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Stock Man |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Ida Douglas | Head | — | 57 | ~1883 |
| Robert Douglas | Son | — | 23 | ~1917 |
| Allen Chapman | Other | — | 8 | ~1932 |
| Margaret Chapman | Daughter | — | 34 | ~1906 |
| Josephine Bailey | Other | — | 77 | ~1863 |
Census Appearances
1920
Jefferson, Alabama
Son, age 2
Jefferson, Alabama · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 12
Jefferson, Alabama · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Salesman |
| Industry | Dry goods store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 23
Jefferson-County, Alabama · implied b. ~1917 — 5 household members
| Surname | Douglas |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Occupation | stock man |
| Industry | Tin mill |
| Class of Worker | PW |
| Hours Worked | 12 |
| Income (1939) | 150 |
| Highest Grade | No 8 |
| 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 Robert Douglas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Shelly Douglas (~0.92 confidence) and mother Ida Douglas (~0.92 confidence) and mother Ida Douglas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Shelly Douglas
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ida Douglas
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ida Douglas
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Douglas
Son · 1940 · age 23 · b. ~1917 · Alabama
★ You are viewing this record
Sibling
Margaret Chapman
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00094-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Evans | 69 | Head | — | South Wales |
| 2 | John Thomas Poole | 52 | Head | Manager | Alabama |
| 3 | Elizabeth Mrs Poole | 48 | Wife | — | Alabama |
| 4 | Melba Poole | 24 | daughter | — | Alabama |
| 5 | John T Jr Poole | 20 | son | — | Alabama |
| 6 | Beverly Poole | 14 | daughter | Clerk | Alabama |
| 7 | Mary Elizabeth Peeler | 23 | daughter | — | Alabama |
| 8 | Leonard Peeler | 29 | son-in-law | Credit Reporter | Alabama |
| 9 | Leonard Jr Peeler | 3 | grandson | Manager | Alabama |
| 10 | Ida B Douglas | 57 | Head | — | Alabama |
| 11 | Robert Douglas THIS PERSON | 23 | son | Stock Man | Alabama |
| 12 | Margaret Chapman | 34 | daughter | Saleslady | Alabama |
| 13 | Allen M Chapman | 8 | grandson | — | Alabama |
| 14 | Josephine Bailey | 77 | Mother | — | Alabama |
| 15 | Amos Gist | 37 | Head | — | Alabama |
| 16 | Cara R Gist | 32 | wife | Coal Loader | Alabama |
| 17 | Verlin D Brooks | 21 | Head | — | Alabama |
| 18 | Charlotte Brooks | 19 | wife | Trackman | Alabama |
| 19 | John H Brooks | 61 | Head | — | Alabama |
| 20 | Dora B Brooks | 58 | wife | — | North Carolina |
| 21 | Ersline Brooks | 28 | son | — | Alabama |
| 22 | Clarence W Merkel | 37 | Head | Delivery Driver | Alabama |
| 23 | Myrtle M Merkel | 35 | wife | Machinist | Alabama |
| 24 | Gloria Merkel | 17 | daughter | — | Alabama |
| 25 | Clarence Jr Merkel | 16 | son | — | Alabama |
| 26 | Idna Dorough | 12 | neice | — | Alabama |
| 27 | Tommy Joe Dorough | 10 | neice | — | Alabama |
| 28 | Ruby Merkel | 29 | sister-in-law | — | Alabama |
| 29 | Frank Merkel | 76 | father | — | Germany |
| 30 | James R Godfrey | 26 | Head | — | Alabama |
| 31 | Hilda B Godfrey | 27 | wife | Electrician | Alabama |
| 32 | Thomas B Fisher | 63 | Head | — | Alabama |
| 33 | Gertrude Fisher | 59 | wife | Foreman Road Project | Alabama |
| 34 | Thomas H Godfrey | 32 | Head | — | Alabama |
| 35 | Ida Mae Godfrey | 30 | wife | — | Alabama |
| 36 | Thomas Jr Godfrey | 10 | son | — | Alabama |
| 37 | Myra S Godfrey | 9 | daughter | — | Alabama |
| 38 | Louis Merkel | 53 | Head | — | Alabama |
| 39 | Bessie Lee Merkel | 53 | wife | Mechanic | Alabama |
| 40 | Charles F Merkel | 29 | son | Bookkeeper | Alabama |
Pedigree Summary
Robert + 1 sibling
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)