AW
Alma Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Alma Williams across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Lucy Williams | Daughter | — | 20 | ~1920 |
| Anne Williams | Son | — | 16 | ~1924 |
| Earl Williams | Son | — | 25 | ~1915 |
| Ella Williams | Daughter | — | 18 | ~1922 |
| Obediah Williams | Son | — | 13 | ~1927 |
| Tom Williams | Head | — | 43 | ~1897 |
| Louise Vaughans | Other | — | 12 | ~1928 |
| Alma Williams | Daughter | — | 19 | ~1921 |
| Carrie Williams | Spouse | — | 53 | ~1887 |
| Magnolia Williams | Other | — | 25 | ~1915 |
Census Appearances
1930
Jefferson, Alabama
Other, age 9
Jefferson, Alabama · implied b. ~1921 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | step-daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| 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
Daughter, age 19
Jefferson-County, Alabama · implied b. ~1921 — 10 household members
| Surname | Williams |
| Given Name | Alma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | Hs 3 |
| 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 Alma Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alma Williams
Daughter · 1940 · age 19 · b. ~1921 · Alabama
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Sibling
Earl Williams
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Obediah Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Williams
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Williams
Sibling · 1940 · age 16
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-t0627-00094-00879)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charlie M. Rudolph | 16 | Grand-daughter | — | Alabama |
| 2 | Anderson Shank | 30 | Head | Carpenter | Alabama |
| 3 | William Williams | 37 | Head | Car Coupler | Alabama |
| 4 | Eula Williams | 31 | Wife | — | Georgia |
| 5 | Mattie Williams | 16 | Daughter | — | Georgia |
| 6 | David Cunningham | 56 | Head | Road Construction | Alabama |
| 7 | Ethel (V) Cunningham | 31 | Wife | — | Alabama |
| 8 | Clinton Cunningham | 12 | Son | — | Alabama |
| 9 | Robert Blount | 37 | Head | Ice Cream Maker | Alabama |
| 10 | Gussie Blount | 40 | Wife | — | Alabama |
| 11 | Wilma Blount | 6 | Daughter | — | Alabama |
| 12 | Marie Blount | 5 | Daughter | — | Alabama |
| 13 | Ben Dampier | 22 | Head | Track Helper | Alabama |
| 14 | Birdie Dampier | 24 | Wife | — | Alabama |
| 15 | Madha Dampier | 4 | Daughter | — | Alabama |
| 16 | Bernice Dampier | 2 | Daughter | — | Alabama |
| 17 | Tom Williams | 43 | Head | Coal Loader | Alabama |
| 18 | Carrie Williams | 53 | Wife | — | Alabama |
| 19 | Lucy M. Williams | 20 | Daughter | — | Alabama |
| 20 | Alma Williams THIS PERSON | 19 | Daughter | — | Alabama |
| 21 | Ella Williams | 18 | Daughter | — | Alabama |
| 22 | Anne Williams | 16 | Son | — | Alabama |
| 23 | Obediah Williams | 13 | Son | — | Alabama |
| 24 | Earl Williams | 25 | Son | Laborer | Alabama |
| 25 | Magnolia Williams | 25 | Daughter-in-law | Maid | Georgia |
| 26 | Louise Vaughans | 12 | Grand-daughter | — | Alabama |
| 27 | Norman Hill | 53 | Head | Pit Man | Alabama |
| 28 | Gladys Hill | 36 | Wife | — | Alabama |
| 29 | Ethel Brim | 21 | Daughter | Maid | Alabama |
| 30 | Zephry Brim | 16 | Son | — | Alabama |
| 31 | Udell Brim | 14 | Daughter | — | Alabama |
| 32 | Inez Brim | 12 | Daughter | — | Alabama |
| 33 | Lula M. Brim | 11 | Step-daughter | — | West Virginia |
| 34 | Elscort Brim | 8 | Step-son | — | West Virginia |
| 35 | Marvin Hill | 6 | Son | — | Alabama |
| 36 | Mary F. Payne | 70 | Mother | — | Alabama |
| 37 | Lizzie Congress | 52 | Head | — | Alabama |
| 38 | Annie B. Congress | 23 | Daughter | Maid | Alabama |
| 39 | Queen E. Congress | 22 | Daughter | Maid | Alabama |
| 40 | Susie Congress | 20 | Daughter | — | Alabama |
Related Census Records
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)