OW
Ollie Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Ollie Williams across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 5-person household.
Age 19
b. ~1921
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Williams |
| Given Name | Ollie Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Auto Motor Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 550 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | East St Louis |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ollie | Age | Birth yr |
|---|---|---|---|---|
| Marilyn Williams | Daughter | — | 18 | ~1922 |
| Ollie Williams | Daughter | — | 19 | ~1921 |
| Ollie Williams | Daughter | — | 52 | ~1888 |
| Kind Bergman | Head | — | 72 | ~1868 |
| Lydia Bergman | Spouse | — | 81 | ~1859 |
Census Appearances
1930
St Clair, …
Other, age 9
St Clair, Illinois · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Olliemar |
| Relationship to Head | Child |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Daughter, age 19
St.-Clair-County, Illinois · implied b. ~1921 — 5 household members
| Surname | Williams |
| Given Name | Ollie Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Occupation | Stenographer |
| Industry | Auto Motor Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 550 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ollie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ollie Williams
Daughter · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Marilyn Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ollie Williams
Sibling · 1940 · age 52
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 — St.-Clair-County, Illinois
Open full size
1940 US Federal Census — St.-Clair-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00880-01016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Moela | 62 | Brother | — | Illinois |
| 42 | Misinformation Misinformation | None | Misinformation | Misinformation | Misinformation |
| 43 | Misinformation Misinformation | None | Misinformation | Misinformation | Misinformation |
| 44 | Misinformation Misinformation | None | Misinformation | Misinformation | Misinformation |
| 45 | Misinformation Misinformation | None | Misinformation | Misinformation | Misinformation |
| 46 | Hurley Bates | 26 | Head | Laborer | Illinois |
| 47 | Thelma Bates | 23 | Wife | — | Arkansas |
| 48 | Betty D. Bates | 4 | Daughter | — | Illinois |
| 49 | Virginia Bates | 4 | Daughter | — | Illinois |
| 50 | Billie J. Bates | 2 | Daughter | — | Illinois |
| 51 | Johanna Dowling | 65 | Head | — | Missouri |
| 52 | Edward Dowling | 41 | Son | Clerk | Missouri |
| 53 | John Dowling | 39 | Son | Laborer | Missouri |
| 54 | Ellen Dowling | 30 | Daughter | — | Missouri |
| 55 | Nelson Owens | 54 | Head | Laborer | Kentucky |
| 56 | Zarma Owens | 35 | Wife | — | South Dakota |
| 57 | Robert Raish | 10 | Step son | — | Nebraska |
| 58 | Raymond Raish | 8 | Step son | — | Iowa |
| 59 | Fairie Sullivan | 45 | Head | — | West Virginia |
| 60 | Guy Taylor | 37 | Head | Messenger | Arkansas |
| 61 | Cleora Taylor | 33 | Wife | — | Arkansas |
| 62 | Rozelle Taylor | 2 | Daughter | — | Illinois |
| 63 | Ludwig Mohlenbrock | 59 | Head | Laborer | Illinois |
| 64 | Ruth Mohlenbrock | 55 | Wife | — | Scotland |
| 65 | Eugenia Dunn | 57 | Head | — | Illinois |
| 66 | John Dunn | 33 | Son | Truck Driver | Illinois |
| 67 | Lawrence Dunn | 23 | Son | Boilermaker | Illinois |
| 68 | Helen Dunn | 20 | Daughter | Sales Girl | Illinois |
| 69 | Agnes Dunn | 18 | Daughter | — | Illinois |
| 70 | Kind Bergman | 72 | Head | — | Illinois |
| 71 | Lydia Bergman | 81 | Wife | — | Missouri |
| 72 | Ollie Williams | 52 | Daughter | — | Illinois |
| 73 | Ollie Mae Williams THIS PERSON | 19 | Daughter | Stenographer | Illinois |
| 74 | Marilyn Williams | 18 | Daughter | — | Illinois |
| 75 | Grover Mcanally | 47 | Head | — | Kentucky |
| 76 | Alice Mcanally | 48 | Wife | — | Arkansas |
| 77 | Lois Petrie | 40 | Lodger | Laborer | Virginia |
| 78 | Herbert Gentry | 37 | Head | Millwright | Illinois |
| 79 | Alvina Gentry | 36 | Wife | — | Illinois |
| 80 | Enid Gentry | 13 | Daughter | — | Illinois |
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)