JH
John Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this John Harris across the 1920, 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Youngstown City |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | Stager |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 360 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Stager |
| Township / Ward | Youngstown City |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Mary Harris | Head | — | 64 | ~1876 |
| Ada Evans | Other | — | 60 | ~1880 |
| Clara Denormandie | Other | — | 55 | ~1885 |
| John Harris | Son | — | 35 | ~1905 |
Census Appearances
1920
Mahoning, Ohio
Son, age 15
Mahoning, Ohio · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Mahoning, Ohio
Son, age 25
Mahoning, Ohio · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Occupation | Time Keeper |
| Industry | Steel Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Mahoning-County, Ohio
Son, age 35
Mahoning-County, Ohio · implied b. ~1905 — 4 household members
| Surname | Harris |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Youngstown City |
| 1935 Residence (County) | Mahoning |
| Occupation | Stager |
| Industry | Steel |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 360 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Harris
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harris
Son · 1940 · age 35 · b. ~1905 · 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 — Mahoning-County, Ohio
Open full size
1940 US Federal Census — Mahoning-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03269-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Wojcicki | 25 | Daughter | Checker | Massachusetts |
| 2 | Andy Promick | 43 | Head | Dink Engineer | Poland |
| 3 | Helen Promick | 33 | Wife | — | Poland |
| 4 | Dorothy Promick | 15 | Daughter | — | Ohio |
| 5 | Lois Ann Promick | 11 | Daughter | — | Ohio |
| 6 | Nick Terlesky | 43 | Lodger | Stramer | Poland |
| 7 | Mary Harris | 64 | Head | — | Ohio |
| 8 | John Harris THIS PERSON | 35 | Son | Stager | Washington |
| 9 | Ada M Evans | 60 | Sister | — | Ohio |
| 10 | Clara J Denormandie | 55 | Lodger | — | Ohio |
| 11 | Steve Zdelar | 26 | Head | Loader | Ohio |
| 12 | Jane Zdelar | 22 | Wife | — | Ohio |
| 13 | John Zdelar | 4 | Son | — | Ohio |
| 14 | Mary Zdelar | 2 | Daughter | — | Ohio |
| 15 | John Bucnoski | 53 | Lodger | Roll Hand | Poland |
| 16 | John Halopi | 48 | Lodger | Shipper | Yugoslavia |
| 17 | Agnes Kusmick | 52 | Head | — | Poland |
| 18 | Joseph Kusmick | 22 | Son | Blood Craneman | Ohio |
| 19 | Ted Kusmick | 20 | Son | Laborer | West Virginia |
| 20 | Stanley Kusmick | 18 | Son | New Worker | West Virginia |
| 21 | Anthony Allicenti | 58 | Head | Mason Laborer | Italy |
| 22 | Mary Allicenti | 47 | Wife | — | Ohio |
| 23 | Frank Allicenti | 21 | Son | Salesman | Ohio |
| 24 | This Ends Block 179 And Starts Block 180 | None | — | — | — |
| 25 | Mike Sabella | 41 | Head | Presser | Italy |
| 26 | Eleanor Sabella | 32 | Wife | — | Ohio |
| 27 | Michael Jr Sabella | 11 | Son | — | Ohio |
| 28 | Mary Ann Sabella | 6 | Daughter | — | Ohio |
| 29 | Alberto Mosqueda | 35 | Lodger | Chipper | Mexico |
| 30 | Alexander Lipinsky | 61 | Head | Chipper | Poland |
| 31 | Mary Lipinsky | 59 | Wife | — | Poland |
| 32 | Helen Lipinsky | 29 | Daughter | Presser | Poland |
| 33 | Anne Lipinsky | 27 | Daughter | Saleslady | Ohio |
| 34 | Benjamin Lipinsky | 23 | Son | Inspector | Ohio |
| 35 | Donald Evans | 33 | Head | Sales Hand | Ohio |
| 36 | Marie Evans | 31 | Wife | — | Ohio |
| 37 | Janice Evans | 2 | Daughter | — | Ohio |
| 38 | Harry Love | 25 | Head | Steel Analyst | Ohio |
| 39 | Ruth Love | 26 | Wife | — | Ohio |
| 40 | Harry Jr Love | 1 | Son | — | Ohio |
Pedigree Summary
John
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)