WD
William Douglas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this William Douglas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Douglas |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Docena |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Miner |
| Township / Ward | Birmingham |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Douglas | Head | — | 23 | ~1917 |
| Iney Williams | Other | — | 39 | ~1901 |
| Claude Douglas | Son | — | 4 | ~1936 |
| Ada Douglas | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Jefferson, Alabama
Son, age 3
Jefferson, Alabama · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | United States |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 13
Jefferson, Alabama · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 23
Jefferson-County, Alabama · implied b. ~1917 — 4 household members
| Surname | Douglas |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Docena |
| 1935 Residence (County) | Jefferson |
| Occupation | Miner |
| Industry | Coal mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 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 William Douglas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Douglas (~0.92 confidence) and father Walter Douglas (~0.92 confidence) and mother Laura Douglas (~0.92 confidence) and mother Margaret Douglas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Douglas
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Walter Douglas
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Laura Douglas
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Margaret Douglas
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Douglas
Head · 1940 · age 23 · b. ~1917 · 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
39 people indexed on this census page (nara:1940:m-t0627-00097-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. D. Fallis | 35 | Head | Laborer | Alabama |
| 42 | Mattie Fallis | 30 | Wife | — | Alabama |
| 43 | Ira Mae Fallis | 13 | Daughter | — | Alabama |
| 44 | Frances Moreno | 55 | Head | Merchant | Italy |
| 45 | Pascal Moreno | 31 | Son | Merchant | Alabama |
| 46 | Esther Lorry | 37 | Daughter | — | Italy |
| 47 | Vincent Lorry | 21 | Grandson | Technician | Alabama |
| 48 | Marie Lorry | 19 | Granddaughter | Salesgirl | Alabama |
| 49 | Francis Lorry | 14 | Granddaughter | — | Alabama |
| 50 | Jesse Ragland | 33 | Head | Miner | Alabama |
| 51 | Juanita Ragland | 27 | Wife | Maid | Alabama |
| 52 | Ernest Ragland | 1 | Son | — | Alabama |
| 53 | Kelly Murray | 25 | Head | Roller | Alabama |
| 54 | Molly Murray | 34 | Wife | Laundress | Alabama |
| 55 | Gussie Mae Murray | 14 | Daughter | — | Alabama |
| 56 | William Douglas THIS PERSON | 23 | Head | Miner | Alabama |
| 57 | Ada V. Douglas | 21 | Wife | — | Alabama |
| 58 | Claude Douglas | 4 | Son | — | Alabama |
| 59 | Iney Williams | 39 | Mother in law | Cook | Alabama |
| 60 | Walter Daniel | 44 | Head | — | Georgia |
| 61 | Laura Daniel | 39 | Wife | Laundress | Georgia |
| 62 | Ida Mae Daniel | 13 | Daughter | — | Georgia |
| 63 | Cora Belle Daniel | 11 | Daughter | — | Alabama |
| 64 | William Daniel | 8 | Son | — | Alabama |
| 65 | Frank Mitchell | 65 | Head | — | Alabama |
| 66 | Ida Mae Mitchell | 58 | Wife | Maid | Georgia |
| 67 | Willie Crawford | 42 | Head | Cement Mixer | Alabama |
| 68 | Doris Crawford | 11 | Daughter | — | Alabama |
| 69 | Nellie Jackson | 53 | Mother | Laundress | Alabama |
| 70 | Lee Goodwin | 60 | Head | Laborer | Alabama |
| 71 | Fannie Mae Goodwin | 40 | Wife | — | Alabama |
| 72 | Oscar Goodwin | 21 | Son | Laborer | Alabama |
| 73 | Theoperis Goodwin | 5 | Son | — | Alabama |
| 74 | Cora Stokes | 40 | Head | — | Alabama |
| 75 | James Stokes | 19 | Son | Laborer | Alabama |
| 76 | Zelma Mccreary | 21 | Head | Maid | Alabama |
| 77 | Charlie Mccreary | 13 | Son | — | Alabama |
| 78 | Elbert Mccreary | 10 | Son | — | Alabama |
| 79 | Henry Myrick | 49 | Head | Janitor | Alabama |
Pedigree Summary
William
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)