HH
Harry Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Morgan-County, Illinois
Our Model Tree links this Harry Hamilton across the 1910, 1920, 1930 and 1940 US Censuses in Morgan-County, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Alma — first a head (b.~1893), then head of a 3-person household.
Age 47
b. ~1893
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Illinois |
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Morgan |
| Additional Details | |
| Occupation | farmer |
| Industry | private farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | 15 N Nortonville |
| Est. Birth Year | ~1893 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Loren Hamilton | Son | — | 31 | ~1909 |
| Lois Hamilton | Spouse | — | 46 | ~1894 |
| Harry Hamilton | Head | — | 47 | ~1893 |
Census Appearances
1910
Morgan, Illinois
Son, age 16
Morgan, Illinois · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farm laborer |
| Industry | Home farm |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Morgan, Illinois
Head, age 26
Morgan, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | EM |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Morgan, Illinois
Head, age 36
Morgan, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | mechanic |
| Industry | At home |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Morgan-County, Illinois
Head, age 47
Morgan-County, Illinois · implied b. ~1893 — 3 household members
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Morgan |
| Occupation | farmer |
| Industry | private farming |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Illinois |
| 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 Harry Hamilton across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Hamilton (~0.92 confidence) and mother Alma Hamilton (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Hamilton
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Alma Hamilton
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Hamilton
Head · 1940 · age 47 · b. ~1893 · 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 — Morgan-County, Illinois
Open full size
1940 US Federal Census — Morgan-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00861-00897)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Waters | 40 | Wife | Housekeeping | Illinois |
| 42 | Albert Waters | 18 | Lodger | Farm Laborer | Illinois |
| 43 | Verner Van Bebber | 41 | Head | Farmer | Illinois |
| 44 | Lois Van Bebber | 35 | Wife | Housekeeping | Illinois |
| 45 | Lawrence Van Bebber | 12 | Son | — | Illinois |
| 46 | Frank Trider | 46 | Head | Farmer | Illinois |
| 47 | Sara Trider | 48 | Wife | Housekeeping | Illinois |
| 48 | Leland Trider | 25 | Son | Farm Laborer | N. Dakota |
| 49 | Alice Trider | 19 | Daughter | Housekeeping | Illinois |
| 50 | Ansel Trider | 16 | Son | Farm Laborer | Minnesota |
| 51 | Jackie Lee Trider | 5 | Grandson | — | Illinois |
| 52 | Sam Chaudoin | 27 | Head | Farmer | Illinois |
| 53 | Louise Chaudoin | 24 | Wife | Housekeeping | Illinois |
| 54 | Carol Chaudoin | 1 | Son | — | Illinois |
| 55 | Frank Vedder | 50 | Head | Farmer | Illinois |
| 56 | Lula Vedder | 48 | Wife | Housekeeping | Illinois |
| 57 | Joe Vedder | 18 | Son | Farm Laborer | Illinois |
| 58 | Frances Vedder | 16 | Daughter | — | Illinois |
| 59 | Billy Vedder | 12 | Son | — | Illinois |
| 60 | Bonnie Lou Vedder | 9 | Daughter | — | Illinois |
| 61 | Paul Seymour | 56 | Head | Farm Laborer | Illinois |
| 62 | Albert C. Speyer | 59 | Head | Farm Laborer | Illinois |
| 63 | Mae Speyer | 50 | Wife | Housekeeping | Illinois |
| 64 | Lloyd Speyer | 9 | Son | — | Illinois |
| 65 | Nellie Speyer | 8 | Daughter | — | Illinois |
| 66 | Harry Hamilton THIS PERSON | 47 | Head | Farmer | Illinois |
| 67 | Lois Hamilton | 46 | Wife | Housekeeping | Missouri |
| 68 | Loren Hamilton | 31 | Son | Farm Lab. | Illinois |
| 69 | Ida K. Mccann | 64 | Head | Housekeeping | Illinois |
| 70 | Guy Alexander | 40 | Head | Farmer | Illinois |
| 71 | Mabel Alexander | 39 | Wife | Housekeeping | Illinois |
| 72 | Clara D. Alexander | 10 | Daughter | — | Illinois |
| 73 | Fontella Alexander | 9 | Daughter | — | Illinois |
| 74 | Rosa Lee Alexander | 7 | Daughter | — | Illinois |
| 75 | John H. Boyle | 52 | Head | Farmer | Missouri |
| 76 | Alma M. Boyle | 46 | Wife | Housekeeping | Illinois |
| 77 | Charles Boyle | 14 | Son | — | Illinois |
| 78 | Elizabeth Boyle | 12 | Daughter | — | Illinois |
| 79 | Martha Boyle | 9 | Daughter | — | Illinois |
| 80 | Robert Boyle | 5 | Son | — | Illinois |
Pedigree Summary
Harry
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)