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Leroy Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Leroy Williams across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 5
b. ~1925
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Williams |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Adelphia Williams | Daughter | — | 13 | ~1917 |
| Robert Williams | Son | — | 8 | ~1922 |
| Leroy Williams | Son | — | 5 | ~1925 |
| Savanna Williams | Spouse | — | 33 | ~1897 |
| Alphonso Williams | Son | — | 1 | ~1929 |
| Norris Williams | Head | — | 31 | ~1899 |
| Norris Williams | Son | — | 3 | ~1927 |
| Nathaniel Williams | Son | — | 7 | ~1923 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 8 household members
| Surname | Williams |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | William |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Hours Worked | 0 |
| Highest Grade | No 0 |
| 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 Leroy Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Williams
Son · 1930 · age 5 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Nathaniel Williams
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norris Williams
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adelphia Williams
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alphonso Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1930 · age 8
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:illinoiscensus00reel456:0910)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jeff Goodlow | 54 | Head | Junking | Arkansas |
| 52 | Elsie Goodlow | 34 | Wife | Dishwasher | Mississippi |
| 53 | Pearl Goodlow | 15 | Daughter | — | Arkansas |
| 54 | Annette Goodlow | 12 | Son | — | Arkansas |
| 55 | Bert Goodlow | 9 | Son | — | Arkansas |
| 56 | Ollie Goodlow | 8 | Daughter | — | Arkansas |
| 57 | Joe Goodlow | 7 | Son | — | Arkansas |
| 58 | Matilda Goodlow | 4 | Daughter | — | Illinois |
| 59 | Virginia Goodlow | 3 | Daughter | — | Illinois |
| 60 | Calvin Goodlow | 57 | Head | Junker | Arkansas |
| 61 | Pearl Goodlow | 37 | Wife | Dishwasher | Arkansas |
| 62 | John Wall | 60 | Head | Electrician | Sweden |
| 63 | Peter Peterson | 45 | Head | Toolmaker | Illinois |
| 64 | Isreal Chandler | 34 | Head | Laborer | Georgia |
| 65 | Mattie Chandler | 24 | Wife | — | Georgia |
| 66 | Vurian Chandler | 24 | Roomer | Laundress | Arkansas |
| 67 | Richard Chandler | 35 | Roomer | Insurance Agent | Arkansas |
| 68 | Berry J. Smith | 49 | Head | Restaurateur | Tennessee |
| 69 | Winnie Smith | 42 | Wife | — | Indiana |
| 70 | Joseph Smith | 28 | Son | Waiter | Tennessee |
| 71 | Thomas Smith | 30 | Head | Chauffeur | Tennessee |
| 72 | Mabel Smith | 20 | Wife | — | Louisiana |
| 73 | Mattie Jordan | 21 | Roomer | Laborer | Mississippi |
| 74 | John Lumpkin | 29 | Head | Laborer | Mississippi |
| 75 | Magnolia Lumpkin | 22 | Wife | — | Arkansas |
| 76 | Rosemae Lumpkin | 2 | Daughter | — | Illinois |
| 77 | Florine Mcmillan | 4 | Step-daughter | — | Texas |
| 78 | Norris Williams | 31 | Head | — | Mississippi |
| 79 | Savanna Williams | 33 | Wife | — | Mississippi |
| 80 | Adelphia Williams | 13 | Daughter | — | Mississippi |
| 81 | Robert Williams | 8 | Son | — | Mississippi |
| 82 | Nathaniel Williams | 7 | Son | — | Mississippi |
| 83 | Leroy Williams THIS PERSON | 5 | Son | — | Illinois |
| 84 | Norris, Jr. Williams | 3 | Son | — | Illinois |
| 85 | Alphonso Williams | 1 | Son | — | Illinois |
| 86 | Adell Alonzo | 32 | Head | Machinist | Mississippi |
| 87 | Betty Alonzo | 31 | Wife | — | Tennessee |
| 88 | Inez Alonzo | 14 | Daughter | — | Tennessee |
| 89 | Wilma Alonzo | 7 | Daughter | — | Illinois |
| 90 | Elinor Martin | 33 | Head | — | Illinois |
| 91 | Leon Martin | 19 | Son | — | Illinois |
| 92 | Ruth Martin | 11 | Daughter | — | Illinois |
| 93 | Joseph Hall | 28 | Head | Butcher | Georgia |
| 94 | Alma Hall | 24 | Wife | — | Louisiana |
| 95 | Robert Hall | 9 | Son | — | Illinois |
| 96 | Annie Jones | 21 | Roomer | Operator | Mississippi |
| 97 | Bernice Luttrell | 26 | Head | — | Tennessee |
| 98 | John Luttrell | 26 | Husband | Porter | Tennessee |
| 99 | Buddy Ritchie | 23 | Roomer | Molder | Missouri |
| 100 | Angenella Ritchie | 23 | Roomer | — | Mississippi |
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)