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Melvin Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, Illinois
Our Model Tree links this Melvin Williams across the 1930 and 1940 US Censuses in Cass-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Illinois |
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Beardstown Township |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Beardstown Township |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Francis Williams | Son | — | 13 | ~1927 |
| Melvin Williams | Son | — | 14 | ~1926 |
| George Williams | Head | — | 42 | ~1898 |
| Keith Williams | Son | — | 2 | ~1938 |
| Marvin Williams | Son | — | ~1940 | |
| Celia Williams | Daughter | — | 10 | ~1930 |
| Charles Williams | Son | — | 15 | ~1925 |
| Dale Williams | Son | — | 5 | ~1935 |
| Florence Williams | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Cass, Illinois
Son, age 4
Cass, Illinois · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Melvin A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cass-County, Illinois
Son, age 14
Cass-County, Illinois · implied b. ~1926 — 9 household members
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Beardstown Township |
| 1935 Residence (County) | Cass |
| Highest Grade | H 1 |
| 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 Melvin Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Melvin Williams
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Keith Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Williams
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celia Williams
Sibling · 1940 · age 10
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 — Cass-County, Illinois
Open full size
1940 US Federal Census — Cass-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00764-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | — | 2 | Daughter | — | Illinois |
| 2 | Duane | 1 | Son | — | Illinois |
| 3 | Harlan Monell | 34 | Head | Farm Labor | Illinois |
| 4 | Gladys Monell | 32 | Wife | — | Illinois |
| 5 | William Hall | 25 | Head | Farm Labor | Illinois |
| 6 | Genetta Hall | 25 | Wife | — | Illinois |
| 7 | James Hall | 5 | Son | — | Illinois |
| 8 | William Zinn | 69 | Head | Farmer | Illinois |
| 9 | Ella Zinn | 64 | Wife | — | Illinois |
| 10 | Iva Norma Zinn | 38 | Daughter | — | Illinois |
| 11 | Thomas E. Crafton | 49 | Head | Fireman | Illinois |
| 12 | Edna Crafton | 48 | Wife | — | Illinois |
| 13 | Louella Crafton | 17 | Daughter | — | Illinois |
| 14 | Thomas E. Crafton | 10 | Son | — | Illinois |
| 15 | Gerald P. Davison | 47 | Lodger | F. Laborer | Illinois |
| 16 | Charles F. Hess | 55 | Head | Dairyman | Illinois |
| 17 | Lucy M. Hess | 50 | Wife | — | Illinois |
| 18 | George Williams | 42 | Head | Laborer | Kentucky |
| 19 | Florence Williams | 42 | Wife | — | Illinois |
| 20 | Charles Williams | 15 | Son | — | Illinois |
| 21 | Melvin Williams THIS PERSON | 14 | Son | — | Illinois |
| 22 | Francis Williams | 13 | Son | — | Illinois |
| 23 | Celia M. Williams | 10 | Daughter | — | Illinois |
| 24 | Dale Williams | 5 | Son | — | Illinois |
| 25 | Keith Williams | 2 | Son | — | Illinois |
| 26 | Marvin Williams | 0 | Son | — | Illinois |
| 27 | Frank Hess | 51 | Head | Dairyman | Illinois |
| 28 | Mayme E. Hess | 34 | Wife | — | Illinois |
| 29 | Kenneth Morrison | 49 | Head | Farming | Indiana |
| 30 | Marie Morrison | 47 | Wife | — | Indiana |
| 31 | William Morrison | 15 | Son | — | Indiana |
| 32 | Albert Walton | 51 | Head | Farming | Illinois |
| 33 | Lena Walton | 45 | Wife | — | Illinois |
| 34 | Helen Walton | 18 | Daughter | — | Illinois |
| 35 | Mabel Walton | 15 | Daughter | — | Illinois |
| 36 | Ethel Walton | 13 | Daughter | — | Illinois |
| 37 | Albert Paul Walton | 11 | Son | — | Illinois |
| 38 | Marion Walton | 9 | Son | — | Illinois |
| 39 | Anna Walton | 5 | Daughter | — | Illinois |
| 40 | Betty Walton | 4 | 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)