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Melvin Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Melvin Williams across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Douglas & Harriett — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur Twp |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | electrician |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Electrician |
| Township / Ward | Decatur Twp |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Mary Williams | Spouse | — | 25 | ~1915 |
| Melvin Williams | Head | — | 28 | ~1912 |
| Douglas Williams | Son | — | 2 | ~1938 |
| Nancy Williams | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Macon, Illinois
Son, age 6
Macon, Illinois · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Melvin F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 17
Macon, Illinois · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Melvin G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Occupation | Time keeper |
| Industry | Starch factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Head, age 28
Macon-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Williams |
| Given Name | Melvin |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Decatur Twp |
| 1935 Residence (County) | Macon |
| Occupation | electrician |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1560 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Douglas Williams (~0.92 confidence) and mother Harriett Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Douglas Williams
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Harriett Williams
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Williams
Head · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00845-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold A. Hughes | 45 | Head | Carrier | Illinois |
| 2 | Juanita Hughes | 43 | Wife | — | Illinois |
| 3 | Barbara Hughes | 13 | Daughter | — | Illinois |
| 4 | Robert Hughes | 11 | Son | — | Illinois |
| 5 | William Hughes | 10 | Son | — | Illinois |
| 6 | Roy Reichert | 27 | Head | Route Man | Illinois |
| 7 | Phyllis Reichert | 24 | Wife | — | Illinois |
| 8 | Noble Davis | 36 | Head | Salesman | Texas |
| 9 | Bernice Davis | 35 | Wife | — | Wisconsin |
| 10 | Melvin Williams THIS PERSON | 28 | Head | Electrician | Illinois |
| 11 | Mary E Williams | 25 | Wife | — | Illinois |
| 12 | Nancy Williams | 4 | Daughter | — | Illinois |
| 13 | Douglas Williams | 2 | Son | — | Illinois |
| 14 | Hugh R Mooney | 35 | Head | Fireman | Illinois |
| 15 | Regina Mooney | 31 | Wife | — | Kentucky |
| 16 | Pansy Lee Mooney | 9 | Daughter | — | Illinois |
| 17 | Annie A Mooney | 5 | Son | — | Illinois |
| 18 | John H Dillon | 69 | Head | — | Kentucky |
| 19 | Bess Dillon | 58 | Wife | — | Illinois |
| 20 | Mae Dillon | 13 | Daughter | — | Illinois |
| 21 | Rodger Bear | 18 | Son | Buffer | Illinois |
| 22 | Fred Bear | 31 | Head | Laborer | Illinois |
| 23 | Alda Bear | 31 | Wife | — | Illinois |
| 24 | Mary L Bear | 12 | Daughter | — | Illinois |
| 25 | Lee Manion | 40 | Head | Auto Mechanic | Illinois |
| 26 | Hester V Manion | 35 | Wife | — | Kansas |
| 27 | Shirley Manion | 13 | Daughter | — | Illinois |
| 28 | Fred H Hess | 50 | Head | — | Illinois |
| 29 | Katie Hess | 42 | Wife | Grocer | Missouri |
| 30 | Fred H Jr Hess | 16 | Son | Clerk | Illinois |
| 31 | Homer E Hess | 14 | Son | — | Illinois |
| 32 | Robert P Hess | 8 | Son | — | Illinois |
| 33 | Annetta Hess | 12 | Daughter | — | Illinois |
| 34 | Frank E Miller | 81 | Head | — | Illinois |
| 35 | Susie Miller | 75 | Wife | — | Illinois |
| 36 | Maude Diehl | 52 | Daughter | — | Illinois |
| 37 | Howard F Clinton | 34 | Head | Farmer | Illinois |
| 38 | Viola Clinton | 34 | Wife | Office Worker | Illinois |
| 39 | Joseph E Clinton | 66 | Father | Farm Laborer | Illinois |
| 40 | Lodge Clinton | 27 | Lodger | Laborer | Illinois |
Pedigree Summary
Melvin
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)