JW
Jack Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lonoke-County, Arkansas
Our Model Tree links this Jack Williams across the 1930 and 1940 US Censuses in Lonoke-County, Arkansas (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lonoke-County, Arkansas |
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Jefferson |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Indian Bayou |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Marlene Williams | Daughter | — | 9 | ~1931 |
| J Williams | Head | — | 45 | ~1895 |
| J Cook | Other | — | 32 | ~1908 |
| Gerry Williams | Son | — | 16 | ~1924 |
| Donald Williams | Son | — | 7 | ~1933 |
| J Williams | Son | — | 18 | ~1922 |
| Jack Williams | Son | — | 12 | ~1928 |
| Arzenia Williams | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Lonoke, Arkansas
Son, age 2
Lonoke, Arkansas · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Lonoke-County, Arkansas
Son, age 12
Lonoke-County, Arkansas · implied b. ~1928 — 8 household members
| Surname | Williams |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Jefferson |
| Highest Grade | 5 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 Jack Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Williams
Son · 1940 · age 12 · b. ~1928 · Arkansas
★ You are viewing this record
Sibling
Marlene Williams
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Williams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerry Williams
Sibling · 1940 · age 16
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 — Lonoke-County, Arkansas
Open full size
1940 US Federal Census — Lonoke-County, Arkansas
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-00152-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vada Jean Haisley | 29 | Wife | Housekeeper | Oklahoma |
| 42 | Margaret L. Haisley | 54 | Mother | Housekeeper | Arkansas |
| 43 | J. D. Williams | 45 | Head | Heater | Arkansas |
| 44 | Arzenia Williams | 39 | Wife | Housekeeper | Arkansas |
| 45 | J. T. Williams | 18 | Son | Laborer | Arkansas |
| 46 | Gerry Williams | 16 | Son | — | Arkansas |
| 47 | Jack Williams THIS PERSON | 12 | Son | — | Arkansas |
| 48 | Marlene Williams | 9 | Daughter | — | Arkansas |
| 49 | Donald Williams | 7 | Son | — | Arkansas |
| 50 | J. C. Cook | 32 | Servant | Laborer | Arkansas |
| 51 | Benjamin Lofis | 50 | Head | Heater | Arkansas |
| 52 | Lizzie Lofis | 46 | Wife | Housekeeper | Arkansas |
| 53 | Barton Lofis | 26 | Son | Cropper | Arkansas |
| 54 | Oliver Lofis | 20 | Son | Cropper | Arkansas |
| 55 | Alvie Lofis | 13 | Son | Cropper | Arkansas |
| 56 | Emil Lofis | 10 | Son | — | Arkansas |
| 57 | Edsel Lofis | 9 | Son | — | Arkansas |
| 58 | Emilee Lofis | 7 | Daughter | — | Arkansas |
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)