WG
Willie Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Willie Gray across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents N & M — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Gray |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | E. P. 9 |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | E P 9 |
| Est. Birth Year | ~1907 |
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 Willie | Age | Birth yr |
|---|---|---|---|---|
| Willie Gray | Head | — | 33 | ~1907 |
| Leau Gray | Spouse | — | 25 | ~1915 |
| Mary Gray | Daughter | — | 5 | ~1935 |
Census Appearances
1910
Jefferson, Alabama
Son, age 5
Jefferson, Alabama · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Jefferson, Alabama
Son, age 16
Jefferson, Alabama · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 25
Jefferson, Alabama · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 19 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 33
Jefferson-County, Alabama · implied b. ~1907 — 3 household members
| Surname | Gray |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | E. P. 9 |
| 1935 Residence (County) | Jefferson |
| Highest Grade | C 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 Willie Gray across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father N Gray (~0.92 confidence) and mother M Gray (~0.92 confidence) and mother Maggie Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
N Gray
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
M Gray
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Maggie Gray
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Willie Gray
Head · 1940 · age 33 · b. ~1907 · 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-t0627-00043-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie Gray THIS PERSON | 33 | Head | — | Alabama |
| 2 | Leau Gray | 25 | Wife | — | Alabama |
| 3 | Mary Gray | 5 | Daughter | — | Alabama |
| 4 | Jack Steele | 48 | Head | Laborer | Louisiana |
| 5 | Willie Mae Steele | 27 | Wife | — | Georgia |
| 6 | George Walker | 59 | Head | Laborer | Alabama |
| 7 | Irene Walker | 34 | Wife | — | Alabama |
| 8 | Ivey Walker | 16 | Daughter | — | Alabama |
| 9 | Joe Walker | 13 | Son | New Worker | Alabama |
| 10 | Sam Washington | 39 | Head | Laborer | Alabama |
| 11 | Sam Jr. Washington | 20 | Son | Laborer | Alabama |
| 12 | Penteller Washington | 15 | Daughter | — | Alabama |
| 13 | Mary Friend | 24 | Sister | — | Alabama |
| 14 | Henry Coles | 30 | Head | Coal Loader | Alabama |
| 15 | Christine Coles | 28 | Wife | — | Alabama |
| 16 | Barbara Coles | 5 | Daughter | — | Alabama |
| 17 | Henry Jr. Coles | 5 | Son | — | Alabama |
| 18 | Delores Coles | 3 | Daughter | — | Alabama |
| 19 | Gump Harris | 54 | Cousin | Farmer | Alabama |
| 20 | John O'Neals | 44 | Head | Trackman | Georgia |
| 21 | Minnie O'Neals | 33 | Wife | — | Alabama |
| 22 | Pearl Sanders | 30 | Head | Laborer | Alabama |
| 23 | Ethel Sanders | 19 | Wife | — | Alabama |
| 24 | Betty Sanders | 0 | Daughter | — | Alabama |
| 25 | John Wilson | 48 | Head | Laborer | Alabama |
| 26 | Idie Wilson | 33 | Wife | — | Alabama |
| 27 | Caroline Wilson | 10 | Daughter | — | Alabama |
| 28 | Joe Wilson | 4 | Son | — | Alabama |
| 29 | Elizabeth Wilson | 2 | Daughter | — | Alabama |
| 30 | Steve Wilson | 12 | Son | — | Alabama |
| 31 | Jessie Williams | 45 | Head | Laborer | Alabama |
| 32 | Emma Williams | 41 | Wife | — | Alabama |
| 33 | Mattie Lou Williams | 17 | Daughter | — | Alabama |
| 34 | Jessie Williams | 14 | Son | — | Alabama |
| 35 | Mary Williams | 13 | Daughter | — | Alabama |
| 36 | Dorothy Williams | 11 | Daughter | — | Alabama |
| 37 | Costella Williams | 10 | Daughter | — | Alabama |
| 38 | James Williams | 8 | Son | — | Alabama |
| 39 | Ulysses O'Neal | 30 | Head | Laborer | Georgia |
| 40 | Rosa Lee O'Neal | 18 | Wife | — | Georgia |
Pedigree Summary
Willie
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)