JH
John Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Coles-County, Illinois
Our Model Tree links this John Hamilton across the 1920, 1930 and 1940 US Censuses in Coles-County, Illinois (XGBoost, ~Confirmed), with identified parents W & Watt — first a son (b.~1900), then head of a 2-person household.
Age 40
b. ~1900
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coles-County, Illinois |
| Surname | Hamilton |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | North Okaw Township |
| 1935 Residence (County) | Coles |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farming |
| Township / Ward | North Okaw Township |
| Est. Birth Year | ~1900 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| W Hamilton | Head | — | 82 | ~1858 |
| John Hamilton | Son | — | 40 | ~1900 |
Census Appearances
1920
Coles, Illinois
Son, age 20
Coles, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Coles, Illinois
Son, age 30
Coles, Illinois · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Grain farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Coles-County, Illinois
Son, age 40
Coles-County, Illinois · implied b. ~1900 — 2 household members
| Surname | Hamilton |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | North Okaw Township |
| 1935 Residence (County) | Coles |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| 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 W Hamilton (~0.92 confidence) and father Watt Hamilton (~0.92 confidence) and father Wm Hamilton (~0.92 confidence) and mother Belle Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Hamilton
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Watt Hamilton
b. ~1858
Source father
● Household
· direct · ~0.92
Father
Wm Hamilton
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Belle Hamilton
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hamilton
Son · 1940 · age 40 · b. ~1900 · 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 — Coles-County, Illinois
Open full size
1940 US Federal Census — Coles-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00771-00988)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence Hovis | 32 | Head | Laborer | Indiana |
| 2 | Mary E. Hovis | 28 | Wife | — | Illinois |
| 3 | Billy J. Hovis | 9 | Daughter | — | Illinois |
| 4 | Clarice K. Hovis | 7 | Daughter | — | Illinois |
| 5 | Fred R. Hovis | 5 | Son | — | Illinois |
| 6 | Frances L. Hovis | 2 | Daughter | — | Illinois |
| 7 | Carl Hovis | 20 | Lodger | Laborer | Indiana |
| 8 | Lewis A. Orndoff | 43 | Head | Farming | Illinois |
| 9 | Florence Orndoff | 36 | Wife | — | Illinois |
| 10 | William Orndoff | 18 | Son | Laborer | Illinois |
| 11 | Grace Orndoff | 17 | Daughter | — | Illinois |
| 12 | Philip Orndoff | 13 | Son | — | Illinois |
| 13 | Rosalie Orndoff | 5 | Daughter | — | Illinois |
| 14 | J. B. Hamilton | 82 | Head | — | Illinois |
| 15 | Clara Hamilton | 71 | Wife | — | Illinois |
| 16 | W. H. Daybrook | 63 | Head | — | Illinois |
| 17 | Minnie Daybrook | 57 | Wife | — | Illinois |
| 18 | R. D. Stevens | 64 | Head | — | Illinois |
| 19 | Allie Stevens | 58 | Wife | — | Illinois |
| 20 | Charles Hallett | 60 | Lodger | Laborer | Illinois |
| 21 | H. C. Daybrook | 51 | Head | — | Illinois |
| 22 | Phoebe Laughier | 55 | Sister | House Keeper | Illinois |
| 23 | W. H. Hamilton | 82 | Head | — | Illinois |
| 24 | John S. Hamilton THIS PERSON | 40 | Son | Farming | Illinois |
| 25 | Clara Daily | 80 | Head | — | Illinois |
| 26 | Amanda Sould | 66 | Companion | Companion | Illinois |
| 27 | Harry Hopper | 57 | Head | — | Illinois |
| 28 | Linda Hopper | 53 | Wife | Housekeeper | Illinois |
| 29 | Fawd Hopper | 35 | Son | Laborer | Illinois |
| 30 | Jess Hopper | 21 | Son | — | Illinois |
| 31 | Eloise Hopper | 18 | Daughter | — | Illinois |
| 32 | Lama Hopper | 16 | Daughter | — | Illinois |
| 33 | Judy Hopper | 13 | Daughter | — | Illinois |
| 34 | Fyda Hopper | 10 | Daughter | — | Illinois |
| 35 | Cordell Hopper | 6 | Son | — | Illinois |
| 36 | J. R. Stinson | 30 | Head | Laborer | Kentucky |
| 37 | Pearl Stinson | 30 | Wife | Home Maker | Kentucky |
| 38 | Vernetta Stinson | 10 | Daughter | — | Illinois |
| 39 | Loretta Stinson | 7 | Daughter | — | Illinois |
| 40 | Richard Stinson | 3 | Son | — | Illinois |
Pedigree Summary
John
Gen 1 · 4 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)