JH
John Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Illinois
Our Model Tree links this John Hamilton across the 1920, 1930 and 1940 US Censuses in Clinton-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Kate — 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 | Clinton-County, Illinois |
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Beckemeyer |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Fireman |
| Industry | Zinc Smelter |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1430 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Fireman |
| Township / Ward | Beckemeyer |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| John Hamilton | Head | — | 28 | ~1912 |
| Catherine Hamilton | Other | — | 50 | ~1890 |
| John Hamilton | Son | — | 2 | ~1938 |
| Edna Hamilton | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Clinton, Illinois
Son, age 8
Clinton, Illinois · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Clinton, Illinois
Son, age 18
Clinton, Illinois · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | Drayman |
| Industry | at Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clinton-County, Illinois
Head, age 28
Clinton-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Beckemeyer |
| 1935 Residence (County) | Clinton |
| Occupation | Fireman |
| Industry | Zinc Smelter |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1430 |
| Highest Grade | 8 |
| 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 John Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hamilton (~0.92 confidence) and mother Kate Hamilton (~0.92 confidence) and mother Katherine Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hamilton
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Kate Hamilton
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Katherine Hamilton
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hamilton
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 — Clinton-County, Illinois
Open full size
1940 US Federal Census — Clinton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00770-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Olivia Pax | 27 | Wife | — | Illinois |
| 42 | Betty Pax | 8 | Daughter | — | Illinois |
| 43 | Joan Pax | 6 | Daughter | — | Illinois |
| 44 | John Pax | 60 | Father | Machine Operator | Ohio |
| 45 | Laurie Taphorn | 81 | Head | — | Illinois |
| 46 | Anthony Taphorn | 56 | Son | Laborer | Illinois |
| 47 | Theodore Taphorn | 51 | Son | Laborer | Illinois |
| 48 | Alvina Franke | 47 | Head | Teacher | Illinois |
| 49 | Concordia Mullenhoff | 47 | Boarder | Housekeeper | Ohio |
| 50 | Ernestine Xavier Sr. | 46 | Boarder | Teacher | Illinois |
| 51 | Thomas Boeing Sr. | 30 | Boarder | Teacher | Illinois |
| 52 | Patric Verostek | 34 | Boarder | Teacher | Illinois |
| 53 | John Hamilton THIS PERSON | 28 | Head | Fireman | Illinois |
| 54 | Edna Hamilton | 21 | Wife | — | Illinois |
| 55 | John Jr. Hamilton | 2 | Son | — | Illinois |
| 56 | Catherine Hamilton | 50 | Mother | — | Illinois |
| 57 | Herman Hammer | 37 | Head | Furnace Charger | Illinois |
| 58 | Mary Hammer | 35 | Wife | — | Illinois |
| 59 | Roy Hammer | 12 | Son | — | Illinois |
| 60 | Lloyd Hammer | 10 | Son | — | Illinois |
| 61 | Lucille Hammer | 4 | Daughter | — | Illinois |
| 62 | Patricia Hammer | 3 | Daughter | — | Illinois |
| 63 | James Hamilton | 25 | Head | Pottery Man | Illinois |
| 64 | Amanda Hamilton | 21 | Wife | — | Illinois |
| 65 | Eugene Hamilton | 1 | Son | — | Illinois |
| 66 | Dick Hubbard | 33 | Head | Laborer | Illinois |
| 67 | Alice Hubbard | 31 | Wife | — | Illinois |
| 68 | William Hubbard | 9 | Son | — | Illinois |
| 69 | Robert Kluth | 37 | Head | Mechanic & Salesman | Illinois |
| 70 | Josephine Kluth | 46 | Wife | — | Illinois |
| 71 | Norma J. Kluth | 9 | Daughter | — | Illinois |
| 72 | A. Robert Kluth | 7 | Son | — | Illinois |
| 73 | Harold Kluth | 5 | Son | — | Illinois |
| 74 | Barney Nichemper | 81 | Father-in-law | — | Illinois |
| 75 | Anthony Becker | 35 | Head | Charger Of Furnace | Illinois |
| 76 | Martha Becker | 37 | Wife | — | Illinois |
| 77 | Eugene Becker | 10 | Son | — | Illinois |
| 78 | Henry Becker | 72 | Father | — | Illinois |
| 79 | Theresa Becker | 71 | Mother | — | Illinois |
| 80 | Leo Farmers | 31 | Head | Yard Man | Illinois |
Pedigree Summary
John
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)