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William Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Indiana
Our Model Tree links this William Hamilton across the 1920, 1930 and 1940 US Censuses in Madison-County, Indiana (XGBoost, ~Confirmed), with identified parents Franklin & Hilla — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Indiana |
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson city |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Auto salesman |
| Industry | Auto Sales |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Auto Salesman |
| Township / Ward | Anderson City |
| Est. Birth Year | ~1910 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Carthiel Hamilton | Daughter | — | 1 | ~1939 |
| Sally Hamilton | Daughter | — | 2 | ~1938 |
| William Hamilton | Head | — | 30 | ~1910 |
| Agnes Hamilton | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Madison, Indiana
Son, age 9
Madison, Indiana · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Madison, Indiana
Son, age 19
Madison, Indiana · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Madison-County, Indiana
Head, age 30
Madison-County, Indiana · implied b. ~1910 — 4 household members
| Surname | Hamilton |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Anderson city |
| 1935 Residence (County) | Madison |
| Occupation | Auto salesman |
| Industry | Auto Sales |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 1800 |
| Highest Grade | C 2 |
| 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 William Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Franklin Hamilton (~0.92 confidence) and mother Hilla Hamilton (~0.92 confidence) and mother Patricia Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Franklin Hamilton
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Hilla Hamilton
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Patricia Hamilton
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hamilton
Head · 1940 · age 30 · b. ~1910 · Indiana
★ 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 — Madison-County, Indiana
Open full size
1940 US Federal Census — Madison-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01072-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. W. Ewald | 52 | Head | Foundryman | Indiana |
| 2 | Margaret Ewald | 44 | Wife | Solderer | Indiana |
| 3 | Betty Ewald | 19 | Daughter | — | Indiana |
| 4 | Vivian Ewald | 17 | Daughter | — | Indiana |
| 5 | Harry T. Myers | 43 | Head | Punch Press Operator | Indiana |
| 6 | Ruth Myers | 38 | Wife | — | Indiana |
| 7 | Betty Myers | 14 | Daughter | — | Indiana |
| 8 | Lloyd Clark | 36 | Head | Machinist | Indiana |
| 9 | Marguerite Clark | 36 | Wife | Machinist | Indiana |
| 10 | Marilyn Clark | 13 | Daughter | — | Indiana |
| 11 | Mary Clark | 78 | Mother | — | Pennsylvania |
| 12 | Walter Wiesenhan | 43 | Head | Toolmaker | Indiana |
| 13 | Leona Wiesenhan | 41 | Wife | — | Indiana |
| 14 | Jack Wiesenhan | 16 | Son | — | Indiana |
| 15 | Earl Mccarel | 50 | Head | Controller | Indiana |
| 16 | Blanche Mccarel | 46 | Wife | — | Indiana |
| 17 | Max Mccarel | 20 | Son | — | Indiana |
| 18 | William Hamilton THIS PERSON | 30 | Head | Auto Salesman | Indiana |
| 19 | Agnes Hamilton | 28 | Wife | — | Indiana |
| 20 | Sally Hamilton | 2 | Daughter | — | Indiana |
| 21 | Carthiel Hamilton | 1 | Daughter | — | Indiana |
| 22 | Lotty Duffy | 67 | Head | — | Indiana |
| 23 | Harold Gaddis | 32 | Head | Compositor | Indiana |
| 24 | Ruth Gaddis | 30 | Wife | — | Indiana |
| 25 | Bobby Gaddis | 4 | Son | — | Indiana |
| 26 | Reahdon Whippo | 40 | Head | Toolmaker | Indiana |
| 27 | Gertrude Whippo | 38 | Wife | — | Indiana |
| 28 | Patricia Whippo | 8 | Daughter | — | Indiana |
| 29 | Elmer Snare | 63 | Head | Salesman | Michigan |
| 30 | Bonnie Snare | 56 | Wife | — | Indiana |
| 31 | Albert Snare | 31 | Son | Machinist | Indiana |
| 32 | Theodore Duvall | 67 | Head | — | Ohio |
| 33 | Kallina Duvall | 65 | Wife | — | Indiana |
| 34 | Claude Graham | 71 | Head | — | Indiana |
| 35 | Pearl Graham | 67 | Wife | — | New York |
| 36 | William Keep | 39 | Head | Rubber Worker | Indiana |
| 37 | Rose Keep | 38 | Wife | Coil Taper | Indiana |
| 38 | Mary Wilson | 19 | Daughter | Assembler | Indiana |
| 39 | Billy Keep | 15 | Son | — | Indiana |
| 40 | Lawrence Keep | 9 | Son | — | Indiana |
Pedigree Summary
William
Gen 1 · 3 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)