JE
John Ellis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Ellis across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Martha & Thomas — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Ellis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Service Man |
| Industry | Electric Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Service Man |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Grace Ellis | Daughter | — | 2 | ~1938 |
| John Ellis | Head | — | 25 | ~1915 |
| Anna Ellis | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 5
Cuyahoga, Ohio · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 15
Cuyahoga, Ohio · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ellis |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Head, age 25
Cuyahoga-County, Ohio · implied b. ~1915 — 3 household members
| Surname | Ellis |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Service Man |
| Industry | Electric Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 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 Ellis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Martha Ellis (~0.92 confidence) and father Thomas Ellis (~0.92 confidence) and mother Martha Ellis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Martha Ellis
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Thomas Ellis
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Martha Ellis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Ellis
Head · 1940 · age 25 · b. ~1915 · Ohio
★ 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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03231-00443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Barik | 48 | Head | Stone Cutter | Czechoslovakia |
| 2 | Helen Barik | 40 | Wife | Laborer | Czechoslovakia |
| 3 | Irene Barik | 18 | Daughter | — | Ohio |
| 4 | Helen Barik | 15 | Daughter | — | Ohio |
| 5 | Dorothy Barik | 13 | Daughter | — | Ohio |
| 6 | Michael Barik | 11 | Son | — | Ohio |
| 7 | George Barik | 9 | Son | — | Ohio |
| 8 | John Dicky | 53 | Head | Laborer | Czechoslovakia |
| 9 | Agnes Dicky | 45 | Wife | — | Czechoslovakia |
| 10 | John Dicky | 23 | Son | — | Ohio |
| 11 | Edward Dicky | 11 | Son | — | Ohio |
| 12 | Charles Rebic | 55 | Head | Assistant | Czechoslovakia |
| 13 | Cyril Rebic | 17 | Son | Newsboy | Ohio |
| 14 | Methodius Rebic | 15 | Son | — | Ohio |
| 15 | John Rebic | 12 | Son | — | Ohio |
| 16 | Mary Rebic | 11 | Daughter | — | Ohio |
| 17 | Michael Rebic | 8 | Son | — | Ohio |
| 18 | John Ellis THIS PERSON | 25 | Head | Service Man | Ohio |
| 19 | Anna Ellis | 27 | Wife | — | Ohio |
| 20 | Grace Ellis | 2 | Daughter | — | Washington |
| 21 | John Kurec | 46 | Head | Apprentice | Czechoslovakia |
| 22 | Mary Kurec | 46 | Wife | — | Pennsylvania |
| 23 | Dorothy Kurec | 22 | Daughter | Presser | Ohio |
| 24 | Mildred Kurec | 16 | Daughter | — | Ohio |
| 25 | John Kupec | 52 | Head | Car Repair | Czechoslovakia |
| 26 | Anna Kupec | 47 | Wife | — | Ohio |
| 27 | Frank Kupec | 22 | Son | Finisher | Ohio |
| 28 | Cecelia Kupec | 20 | Daughter | Secretary | Ohio |
| 29 | Florence Kupec | 17 | Daughter | — | Ohio |
| 30 | Anthony Kupec | 12 | Son | — | Ohio |
| 31 | Mary Ann Kupec | 8 | Daughter | — | Ohio |
| 32 | John Nemcek | 52 | Head | Yard Man | Czechoslovakia |
| 33 | Justine Nemcek | 42 | Wife | — | Czechoslovakia |
| 34 | John Nemcek | 25 | Son | — | Ohio |
| 35 | Frank Nemcek | 24 | Son | Repair Man | Ohio |
| 36 | Anna Nemcek | 22 | Daughter | Counter Girl | Ohio |
| 37 | Joseph Nemcek | 20 | Son | New Worker | Ohio |
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)