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Thelma Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Vigo, Indiana
Our Model Tree links this Thelma Williams across the 1920, 1930 and 1940 US Censuses in Vigo, Indiana (XGBoost, ~Confirmed), with identified parents Mona & Francis — first a daughter (b.~1910), then head of a 12-person household.
Age 20
b. ~1910
Female
Daughter
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Vigo, Indiana |
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Stenographer |
| Township / Ward | Terre Haute City |
| Est. Birth Year | ~1910 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Williams | Daughter | — | 20 | ~1910 |
| Betty Williams | Daughter | — | 13 | ~1917 |
| Mona Williams | Head | — | 56 | ~1874 |
| Beki Rassey | Other | — | 38 | ~1892 |
| Vernon Daniel | Other | — | 21 | ~1909 |
| Dickie Quibell | Other | — | 24 | ~1906 |
| Albert Braun | Other | — | 20 | ~1910 |
| Roy Hampbell | Other | — | 28 | ~1902 |
| Clifford Williams | Son | — | 23 | ~1907 |
| Ralph Williams | Son | — | 10 | ~1920 |
| Ralph Williams | Son | — | 18 | ~1912 |
| Francis Williams | Spouse | — | 53 | ~1877 |
Census Appearances
1920
Vigo, Indiana
Daughter, age 9
Vigo, Indiana · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vigo, Indiana
Daughter, age 20
Vigo, Indiana · implied b. ~1910 — 12 household members
| Surname | Williams |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Stenographer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vigo-County, Indiana
Other, age 30
Vigo-County, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | Thelma |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Terre Haute |
| 1935 Residence (County) | Vigo |
| Occupation | office manager |
| Industry | Semi-Brothers |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 960 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Thelma Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mona Williams (~0.92 confidence) and mother Francis Williams (~0.92 confidence) and mother Mable Williams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mona Williams
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Francis Williams
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mable Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Williams
Daughter · 1930 · age 20 · b. ~1910 · Indiana
★ You are viewing this record
Sibling
Betty Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Williams
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Williams
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Williams
Sibling · 1930 · age 10
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 — Vigo, Indiana
Open full size
1930 US Federal Census — Vigo, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel635:0460)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Arnett | 28 | Roomer | Clerk | Indiana |
| 2 | Agent Arnett | None | — | — | — |
| 3 | Fred Habbard | 45 | Head | Salesman | Indiana |
| 4 | Mary Habbard | 32 | Wife | Post Room | Indiana |
| 5 | Mark Staples | 23 | — | Student | Indiana |
| 6 | Paul Ackerson | 23 | — | Student | Indiana |
| 7 | R. B. Hernandez | 35 | — | Laborer | Sweden |
| 8 | Jack Lovell | 30 | — | Clerk | Indiana |
| 9 | M. G. Gunn | 40 | — | Clerk | West Virginia |
| 10 | Madeline Bolinger | 18 | — | Servant | Indiana |
| 11 | Alina Mickery | 61 | Head | Rooming House | Indiana |
| 12 | Howard Stenalt | 26 | — | Accountant | Indiana |
| 13 | Louis Quas | 36 | — | None | Indiana |
| 14 | Julius Hade | 68 | — | Mechanic | New Jersey |
| 15 | Dora Hade | 60 | — | None | Indiana |
| 16 | Leona Booker | 34 | — | Maintenance | Indiana |
| 17 | John Settle | 28 | — | Repair | Indiana |
| 18 | William T. Johnson | 88 | — | None | Indiana |
| 19 | Leona Mitchell | 43 | Head | Rooming House | Indiana |
| 20 | Harry Bumpe | 48 | — | Clerk | Illinois |
| 21 | Effie Bumpe | 29 | — | None | Illinois |
| 22 | Alexander Beasley | 76 | — | Salesman | Indiana |
| 23 | Emery Mary Bumpe | 20 | — | None | Indiana |
| 24 | Mona Williams | 56 | Head | Iron Worker | Wisconsin |
| 25 | Francis Williams | 53 | Wife | None | Indiana |
| 26 | Clifford Williams | 23 | Son | Waiter | Indiana |
| 27 | Thelma Williams THIS PERSON | 20 | Daughter | Stenographer | Indiana |
| 28 | Ralph Williams | 18 | Son | Musician | Indiana |
| 29 | Betty Williams | 13 | Daughter | None | Indiana |
| 30 | Ralph Williams | 10 | Son | None | Indiana |
| 31 | Albert Braun | 20 | Roomer | Bookkeeper | Indiana |
| 32 | Roy Hampbell | 28 | Roomer | Clerk | Indiana |
| 33 | Vernon Daniel | 21 | Roomer | None | Indiana |
| 34 | Dickie Quibell | 24 | Roomer | None | Indiana |
| 35 | Beki Rassey | 38 | Roomer | Salesman | Syria |
| 36 | Ella M. Dunkin | 73 | Head | None | New York |
| 37 | Orville H. Dunkin | 40 | Nephew | Salesman | Indiana |
| 38 | Haley E. Dunkin | 41 | Wife | None | Indiana |
| 39 | Lillie Marie Dunkin | 21 | Daughter | None | Indiana |
| 40 | Haley Robert Dunkin | 16 | Daughter | None | Indiana |
| 41 | Nellie H. Boyle | 74 | Head | Retired | Indiana |
| 42 | Mary E. Boyle | 68 | Wife | None | Indiana |
| 43 | Doris Ruth Willis | 20 | Roomer | Clerk | Indiana |
| 44 | Michael Hanifan | 69 | Head | Switchman | Ohio |
| 45 | Mary Hanifan | 60 | Wife | None | Indiana |
| 46 | Russell Hanifan | 27 | Son | Salesman | Indiana |
| 47 | Thomas T. Sanidas | 55 | Head | Waiter | Greece |
| 48 | Catherine Sanidas | 25 | Wife | None | Greece |
| 49 | George T. Sanidas | 3 | Son | None | Indiana |
| 50 | Edna Sanidas | 1 | Daughter | None | Indiana |
Related Census Records
Pedigree Summary
Thelma + 4 siblings
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 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)