MW
Melvin Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Indiana
Our Model Tree links this Melvin Williams across the 1930 and 1940 US Censuses in Knox-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Indiana |
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Johnson Twp |
| 1935 Residence (County) | Rush |
| Additional Details | |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Helper |
| Township / Ward | Johnson Twp |
| Est. Birth Year | ~1918 |
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 Melvin | Age | Birth yr |
|---|---|---|---|---|
| Stella Williams | Spouse | — | 46 | ~1894 |
| Lester Williams | Son | — | 15 | ~1925 |
| Melvin Williams | Son | — | 22 | ~1918 |
| Everett Williams | Son | — | 20 | ~1920 |
| Maurice Williams | Son | — | 8 | ~1932 |
| Helen Williams | Daughter | — | 17 | ~1923 |
| Donald Williams | Son | — | 13 | ~1927 |
| Esther Williams | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Knox, Indiana
Son, age 12
Knox, Indiana · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Knox-County, Indiana
Son, age 22
Knox-County, Indiana · implied b. ~1918 — 8 household members
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Johnson Twp |
| 1935 Residence (County) | Rush |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 22 · b. ~1918 · Indiana
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Sibling
Maurice Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Williams
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Williams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Williams
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Williams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Williams
Sibling · 1940 · age 17
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 — Knox-County, Indiana
Open full size
1940 US Federal Census — Knox-County, Indiana
Page Contents
13 people indexed on this census page (nara:1940:m-t0627-01060-00194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Williams | 46 | Wife | — | Indiana |
| 2 | Melvin Williams THIS PERSON | 22 | Son | Helper | Indiana |
| 3 | Everett Williams | 20 | Son | Laborer | Indiana |
| 4 | Helen Williams | 17 | Daughter | — | Indiana |
| 5 | Lester Williams | 15 | Son | — | Indiana |
| 6 | Donald Williams | 13 | Son | — | Indiana |
| 7 | Maurice Williams | 8 | Son | — | Indiana |
| 8 | Esther Williams | 5 | Daughter | — | Indiana |
| 9 | Joseph Treivers|Treivors | 65 | Head | Farmer | Indiana |
| 10 | Rosa Treivers|Treivors | 62 | Wife | — | Indiana |
| 11 | Paul Joe Treivers|Treivors | 15 | Son | — | Indiana |
| 12 | Charles Mesmering | 29 | Son-in-law | Attendant | Indiana |
| 13 | Catherine Mesmering | 23 | Wife | — | Indiana |
Related Census Records
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)