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Lucille Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Lucille Williams across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 12-person household.
Age 13
b. ~1917
Female
Daughter
Born: Mississippi
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Williams |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Chicago Heights City |
| Est. Birth Year | ~1917 |
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 Lucille | Age | Birth yr |
|---|---|---|---|---|
| Leonard Williams | Son | — | 14 | ~1916 |
| Hardy Williams | Son | — | 20 | ~1910 |
| Ernest Williams | Son | — | 18 | ~1912 |
| Gloria Williams | Daughter | — | 1 | ~1929 |
| Katherine Williams | Daughter | — | 7 | ~1923 |
| Isaac Williams | Son | — | 7 | ~1923 |
| Lucille Williams | Daughter | — | 13 | ~1917 |
| Ben Williams | Head | — | 38 | ~1892 |
| James Williams | Son | — | 22 | ~1908 |
| Flora Williams | Daughter | — | 12 | ~1918 |
| Hallie Williams | Spouse | — | 44 | ~1886 |
| Elizabeth Williams | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 12 household members
| Surname | Williams |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Cook-County, Illinois
Head, age 23
Cook-County, Illinois · implied b. ~1917
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | William |
| Given Name | Lucille |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Clerk |
| Industry | Sewing Project |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 695 |
| Highest Grade | No 1-6 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Lucille Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucille Williams
Daughter · 1930 · age 13 · b. ~1917 · Illinois
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Sibling
James Williams
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Williams
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Williams
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flora Williams
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Williams
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaac Williams
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Williams
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hardy Williams
Sibling · 1930 · age 20
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel414:0815)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Maudie Blanchard | 18 | Daughter | None | Illinois |
| 52 | Mattie Lee | 32 | Head | None | Mississippi |
| 53 | Leona Pierre | 23 | Roomer | None | Mississippi |
| 54 | James Clark | 22 | Roomer | Bell Boy | Kentucky |
| 55 | Edward Reed | 40 | Roomer | Cook | Georgia |
| 56 | Robert Leonard | 23 | Roomer | Chauffeur | Arkansas |
| 57 | Bert Montgomery | 34 | Roomer | Laborer | Kentucky |
| 58 | Al Miller | 37 | Head | Mechanic | Illinois |
| 59 | Martha Miller | 35 | Wife | None | Illinois |
| 60 | Bernice Miller | 19 | Daughter | None | Illinois |
| 61 | Albert Miller | 22 | Son | Mechanic | Illinois |
| 62 | Floyd Neal | 31 | Head | Mechanic | Tennessee |
| 63 | Bernice Neal | 31 | Wife | None | Kentucky |
| 64 | Jimmy Mcewen | 31 | Roomer | Cook | Illinois |
| 65 | Louis Tidwell | 30 | Roomer | Supporter | Illinois |
| 66 | Ben Williams | 38 | Head | Laborer | Louisiana |
| 67 | Hallie Williams | 44 | Wife | None | Louisiana |
| 68 | Hardy Williams | 20 | Son | Laborer | Louisiana |
| 69 | James Williams | 22 | Son | Laborer | Louisiana |
| 70 | Ernest Williams | 18 | Son | Laborer | Mississippi |
| 71 | Leonard Williams | 14 | Son | None | Mississippi |
| 72 | Lucille Williams THIS PERSON | 13 | Daughter | None | Mississippi |
| 73 | Elizabeth Williams | 12 | Daughter | None | Mississippi |
| 74 | Flora Williams | 12 | Daughter | None | Mississippi |
| 75 | Isaac Williams | 7 | Son | None | Mississippi |
| 76 | Katherine Williams | 7 | Daughter | None | Illinois |
| 77 | Gloria Williams | 1 | Daughter | None | Nebraska |
| 78 | Lidge Bergs | 27 | Head | Pin Boy | California |
| 79 | Willie Bergs | 22 | Wife | None | Mississippi |
| 80 | Frankie Bergs | 4 | Son | None | Illinois |
| 81 | William Hudson | 42 | Head | Laborer | Alabama |
| 82 | Cornelia Hudson | 30 | Wife | None | Florida |
| 83 | John Hudson | 29 | Roomer | Laborer | Mississippi |
| 84 | Thomas Hudson | 29 | Roomer | Laborer | Alabama |
| 85 | Ed Joseph | 35 | Head | Mechanic | Tennessee |
| 86 | Douglas Joseph | 17 | Roomer | Curbman | Kentucky |
| 87 | Hayden Moore | 21 | Roomer | Laborer | Kentucky |
| 88 | Lydia Mack | 30 | Roomer | Laborer | Georgia |
| 89 | July Smith | 22 | Roomer | None | Indiana |
| 90 | Henry Beaumont | 39 | Head | Electrician | Iowa |
| 91 | Anna Beaumont | 30 | Wife | None | Czechoslovakia |
| 92 | Richard Beaumont | 11 | Son | None | Illinois |
| 93 | Harry Beaumont | 9 | Son | None | Illinois |
| 94 | Fred Helben | 50 | Head | Cabinet Maker | Czechoslovakia |
| 95 | Joe Helben | 4 | Son | None | Illinois |
| 96 | Joe Fuchini | 43 | Head | Bricklayer | Italy |
| 97 | Ida Fuchini | 35 | Wife | None | Italy |
| 98 | Dina Fuchini | 15 | Daughter | None | Illinois |
| 99 | Anna Fuchini | 13 | Daughter | None | Illinois |
| 100 | Fabio Fuchini | 7 | Son | None | Illinois |
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)