JH
John Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Hamilton across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Estelle & Estella — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Usher |
| Class of Worker | PW |
| Income (1939) | 798 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Usher |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Marian Hamilton | Daughter | — | 18 | ~1922 |
| Estelle Hamilton | Head | — | 52 | ~1888 |
| John Hamilton | Son | — | 22 | ~1918 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 2
Cuyahoga, Ohio · implied b. ~1918 — 3 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 | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 12
Cuyahoga, Ohio · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 22
Cuyahoga-County, Ohio · implied b. ~1918 — 3 household members
| Surname | Hamilton |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Usher |
| Class of Worker | PW |
| Income (1939) | 798 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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: mother Estelle Hamilton (~0.92 confidence) and mother Estella Hamilton (~0.92 confidence) and father John Hamilton (~0.92 confidence) and father John Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Estelle Hamilton
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Estella Hamilton
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
John Hamilton
b. ~1889
Source father
● Household
· direct · ~0.92
Father
John Hamilton
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hamilton
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Marian Hamilton
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
22 people indexed on this census page (nara:1940:m-t0627-03227-00088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louie Ehrlich | 25 | Head | Owner | Ohio |
| 42 | Rose Ehrlich | 25 | Wife | None | Ohio |
| 43 | Max Done | 40 | Head | Owner | Russia |
| 44 | Joyce Done | 13 | Daughter | None | Ohio |
| 45 | Joseph Cohen | 36 | Head | Floorman | Ohio |
| 46 | Rose Cohen | 34 | Wife | None | Kansas |
| 47 | Fillbert Cohen | 7 | Son | — | Ohio |
| 48 | Donald Leenikowsky | 52 | Lodger | Mechanic | Russia |
| 49 | William Ginsburg | 45 | Head | Paper Hanger | Russia |
| 50 | Edna Ginsburg | 39 | Wife | None | Poland |
| 51 | Sylvia Ginsburg | 20 | Daughter | None | Ohio |
| 52 | Irena Ginsburg | 15 | Daughter | None | Ohio |
| 53 | Paul Borzy | 26 | Head | Stone Cutter | Illinois |
| 54 | Ethel Borzy | 24 | Wife | Stenographer | Ohio |
| 55 | Beverly Borzy | 2 | Adopted | — | Ohio |
| 56 | William Stern | 22 | Head | Shipping Clerk | Ohio |
| 57 | Frances Stern | 19 | Wife | None | Ohio |
| 58 | Ross Roland Weder | 29 | Head | Conductor | New York |
| 59 | Helene Weder | 29 | Wife | Secretary | Penna |
| 60 | Estelle M. Hamilton | 52 | Head | House Keeper | Ohio |
| 61 | John Hamilton THIS PERSON | 22 | Son | Usher | Ohio |
| 62 | Marian A. Hamilton | 18 | Daughter | Nurse Maid | Ohio |
Pedigree Summary
John + 1 sibling
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)