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Shirley Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Illinois
Our Model Tree links this Shirley Williams across the 1930 and 1940 US Censuses in St.-Clair-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Illinois |
| Surname | Williams |
| Given Name | Shirley Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | East St Louis |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to Shirley | Age | Birth yr |
|---|---|---|---|---|
| Billy Williams | Son | — | 16 | ~1924 |
| Margaret Williams | Spouse | — | 45 | ~1895 |
| Shirley Williams | Daughter | — | 12 | ~1928 |
| Van Williams | Head | — | 46 | ~1894 |
| Victor Williams | Son | — | 21 | ~1919 |
| Bobby Williams | Son | — | 15 | ~1925 |
Census Appearances
1930
St Clair, …
Daughter, age 2
St Clair, Illinois · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Shirley Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
St.-Clair-County, Illinois
Daughter, age 12
St.-Clair-County, Illinois · implied b. ~1928 — 6 household members
| Surname | Williams |
| Given Name | Shirley Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | East St. Louis |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 6 |
| 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 Shirley Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Shirley Williams
Daughter · 1940 · age 12 · b. ~1928 · Illinois
★ You are viewing this record
Sibling
Bobby Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Williams
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Williams
Sibling · 1940 · age 21
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-t0627-00880-00478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis E. Burns | 42 | Son | Tavern Keeper | Illinois |
| 2 | Luella Burns | 33 | Daughter | Barmaid | Illinois |
| 3 | Francis Burns | 13 | Son | — | Illinois |
| 4 | Conrad Hagarty | 46 | Head | Buyer | Missouri |
| 5 | Catherine Hagarty | 40 | Wife | — | Illinois |
| 6 | Lois Hagarty | 21 | Daughter | Picker | Illinois |
| 7 | Dorothy Hagarty | 19 | Daughter | Picker | Illinois |
| 8 | Jeanne Hagarty | 18 | Daughter | — | Illinois |
| 9 | Catherine R. Hagarty | 15 | Daughter | — | Illinois |
| 10 | Robert Hagarty | 13 | Son | — | Illinois |
| 11 | John Hagarty | 11 | Son | — | Illinois |
| 12 | Helenna Hagarty | 9 | Daughter | — | Illinois |
| 13 | William Hagarty | 5 | Son | — | Illinois |
| 14 | Donald Hagarty | 3 | Son | — | Illinois |
| 15 | Harry Lowery | 25 | Head | Laborer | Illinois |
| 16 | Arline Lowery | 29 | Wife | — | Illinois |
| 17 | Ellen Mason | 71 | Head | — | Tennessee |
| 18 | David E. Mason | 47 | Son | St. Instructor | Tennessee |
| 19 | William Mason | 29 | Son | Truck Driver | Tennessee |
| 20 | Oscar Mason | 36 | Son | Molder | Tennessee |
| 21 | Estelle Mason | 37 | Daughter-in-law | — | Tennessee |
| 22 | Helen Mason | 9 | Grand-daughter | — | Illinois |
| 23 | Claude Moss | 59 | Head | Watchman | Utah |
| 24 | Ida May Moss | 55 | Wife | — | Indiana |
| 25 | Russell Moss | 21 | Son | Laborer | Illinois |
| 26 | John Goff | 71 | Head | — | Ireland |
| 27 | Lawrence Goff | 36 | Son | Checker | Illinois |
| 28 | Estelle D. Smith | 57 | Lodger | House-Keeper | Louisiana |
| 29 | Van M. Williams | 46 | Head | Proprietor | Illinois |
| 30 | Margaret Williams | 45 | Wife | — | Missouri |
| 31 | Victor Williams | 21 | Son | Attendant | Illinois |
| 32 | Billy K. Williams | 16 | Son | — | Illinois |
| 33 | Bobby Williams | 15 | Son | — | Illinois |
| 34 | Shirley Mae Williams THIS PERSON | 12 | Daughter | — | Illinois |
| 35 | James A. Shankland | 43 | Head | Shop Foreman | Nebraska |
| 36 | Anna Shankland | 44 | Wife | — | Illinois |
| 37 | Chalon M. French | 61 | Head | Salesman | Illinois |
| 38 | Della French | 55 | Wife | — | Illinois |
| 39 | Earl Potter | 48 | Head | Brakeman | Indiana |
| 40 | Golda Potter | 45 | Wife | — | 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)