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Viola Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Jefferson, Alabama
Our Model Tree links this Viola Williams across the 1910, 1920 and 1930 US Censuses in Jefferson, Alabama (XGBoost, ~Confirmed), with identified parents Allen & Ben — first a daughter (b.~1912), then head of a 6-person household.
Age 18
b. ~1912
Female
Daughter
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Alabama |
| Surname | Williams |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Servant |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1912 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Viola | Age | Birth yr |
|---|---|---|---|---|
| Carrie Williams | Head | — | 40 | ~1890 |
| Nancy Addison | Other | — | 60 | ~1870 |
| Viola Williams | Daughter | — | 18 | ~1912 |
| David Williams | Son | — | 16 | ~1914 |
| Emma Williams | Daughter | — | 13 | ~1917 |
| Willie Smith | Other | — | 13 | ~1917 |
Census Appearances
1910
Jefferson, Alabama
Daughter, age 2
Jefferson, Alabama · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| 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
Daughter, age 10
Jefferson, Alabama · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Daughter, age 18
Jefferson, Alabama · implied b. ~1912 — 6 household members
| Surname | Williams |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Viola Williams across 3 US Census years (1910, 1920 and 1930) in Jefferson, Alabama, using XGBoost record linkage. Identified parents: father Allen Williams (~0.92 confidence) and father Ben Williams (~0.92 confidence) and mother Carrie Williams (~0.92 confidence) and mother Carrie Williams (~0.92 confidence) and mother Johnie Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Allen Williams
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Ben Williams
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Carrie Williams
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Carrie Williams
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Johnie Williams
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Viola Williams
Daughter · 1930 · age 18 · b. ~1912 · Alabama
★ You are viewing this record
Sibling
Emma Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Williams
Sibling · 1930 · 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
1930 US Federal Census — Jefferson, Alabama
Open full size
1930 US Federal Census — Jefferson, Alabama
Page Contents
39 people indexed on this census page (ia:1930:15thcensus29usce:0659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac Harris | 23 | Son | Miner | Alabama |
| 2 | George Harris | 21 | Son | Miner | Alabama |
| 3 | Ruthlean Harris | 13 | Daughter | — | Alabama |
| 4 | Matilda Harris | 12 | Daughter | — | Alabama |
| 5 | Jerome S Cureton | 38 | Head | Miner | Alabama |
| 6 | Arnettie Cureton | 64 | Mother-H | — | Georgia |
| 7 | James Mcneil | 30 | Head | Machinist | Alabama |
| 8 | Flora Mcneil | 25 | Wife-H | — | Alabama |
| 9 | Grant Harris | 30 | Head | Miner | Alabama |
| 10 | Hattie Harris | 25 | Wife-H | Servant | Alabama |
| 11 | Grant Harris | 58 | Uncle | — | Alabama |
| 12 | Carrie Williams | 40 | Head | Servant | Alabama |
| 13 | Viola Williams THIS PERSON | 18 | Daughter | Servant | Alabama |
| 14 | David Williams | 16 | Son | Porter | Alabama |
| 15 | Emma Williams | 13 | Daughter | — | Alabama |
| 16 | Willie M Smith | 13 | Niece | — | Alabama |
| 17 | Nancy Addison | 60 | Mother | — | Alabama |
| 18 | James White | 40 | Head | Miner | Alabama |
| 19 | Adeline White | 40 | Wife-H | — | Alabama |
| 20 | Ezell Howard | 22 | Step son | Miner | Alabama |
| 21 | Frank James | 24 | Head | Rigger Helper | Alabama |
| 22 | Annie James | 23 | Wife-H | — | Alabama |
| 23 | Frank Jr James | 7 | Son | — | Alabama |
| 24 | Bernice James | 6 | Son | — | Alabama |
| 25 | Jessie L James | 5 | Daughter | — | Alabama |
| 26 | Otis James | 2 | Son | — | Alabama |
| 27 | Dessie L James | 0 | Daughter | — | Alabama |
| 28 | Jake Stevens | 40 | Head | Miner | Alabama |
| 29 | Mary L Stevens | 25 | Wife-H | — | Alabama |
| 30 | Ola Stevens | 3 | Daughter | — | Alabama |
| 31 | Sara L Stevens | 2 | Daughter | — | Alabama |
| 32 | Nancy Jones | 37 | Sister | — | Alabama |
| 33 | Cleveland Morton | 29 | Head | Rigger Helper | Alabama |
| 34 | Annie Morton | 16 | Wife-H | — | Alabama |
| 35 | Alonzo Harbeler | 25 | Head | Teacher | Alabama |
| 36 | Lula Harbeler | 29 | Mother-H | — | Alabama |
| 37 | James Adams | 20 | Head | Ice Master | Alabama |
| 38 | Willie B Adams | 16 | Wife-H | — | Alabama |
| 39 | William Jr Robinson | 11 | Son | — | Alabama |
Pedigree Summary
Viola + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)