JH
John Hess — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this John Hess across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 10-person household.
Age 27
b. ~1913
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Hess |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Occupation | farm help |
| Industry | home farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farm Help |
| Township / Ward | Springfield Twps |
| Est. Birth Year | ~1913 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Anna Hess | Daughter | — | 21 | ~1919 |
| Edith Hess | Daughter | — | 13 | ~1927 |
| George Hess | Head | — | 51 | ~1889 |
| William Hess | Son | — | 22 | ~1918 |
| John Hess | Son | — | 27 | ~1913 |
| Robert Hess | Son | — | 19 | ~1921 |
| George Hess | Son | — | 24 | ~1916 |
| Ronald Hess | Son | — | 7 | ~1933 |
| Richard Hess | Son | — | 10 | ~1930 |
| Mary Hess | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Mahoning, Ohio
Son, age 15
Mahoning, Ohio · implied b. ~1915 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hess |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Mahoning-County, Ohio
Son, age 27
Mahoning-County, Ohio · implied b. ~1913 — 10 household members
| Surname | Hess |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mahoning |
| Occupation | farm help |
| Industry | home farm |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Ohio |
| 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 Hess across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hess
Son · 1940 · age 27 · b. ~1913 · Ohio
★ You are viewing this record
Sibling
Robert Hess
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Hess
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hess
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hess
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Hess
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hess
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hess
Sibling · 1940 · age 24
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 — 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-t0627-03109-00980)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Caroline | 62 | wife | — | Ohio |
| 2 | Agnes | 21 | daughter | Basketmaker | Ohio |
| 3 | Harry Conder | 35 | head | Farmer | Ohio |
| 4 | Laverne Conder | 30 | sister | — | Ohio |
| 5 | James Ferguson | 48 | head | Operator | Ohio |
| 6 | Evon Ferguson | 33 | wife | — | Pennsylvania |
| 7 | James F Ferguson | 3 | son | — | Ohio |
| 8 | Joann Ferguson | 0 | daughter | — | Ohio |
| 9 | William Ferguson | 18 | nephew | Farm Hand | Pennsylvania |
| 10 | Josiah Macklin | 75 | head | Farmer | Ohio |
| 11 | Lilly Macklin | 63 | wife | — | Ohio |
| 12 | Troy Macklin | 27 | son | Farm Hand | Ohio |
| 13 | George Hess | 51 | head | Machinist | Ohio |
| 14 | Mary Hess | 53 | wife | — | Ohio |
| 15 | John Hess THIS PERSON | 27 | son | Farm Help | Ohio |
| 16 | George Hess | 24 | son | Miner | Ohio |
| 17 | William Hess | 22 | son | Spooling Operator | Ohio |
| 18 | Anna Mae Hess | 21 | daughter | Housework | Ohio |
| 19 | Robert Hess | 19 | son | Clerk | Ohio |
| 20 | Edith Hess | 13 | daughter | — | Ohio |
| 21 | Richard Hess | 10 | son | — | Ohio |
| 22 | Ronald Hess | 7 | son | — | Ohio |
| 23 | Mike Porada | 54 | head | Farmer | Czechoslovakia |
| 24 | Mary Porada | 47 | wife | — | Czechoslovakia |
| 25 | Mike Jr Porada | 29 | son | Laborer | Pennsylvania |
| 26 | Joseph Porada | 27 | son | Steeple Jack | Pennsylvania |
| 27 | Lawrence Porada | 22 | son | Farming | Pennsylvania |
| 28 | Mary Porada | 19 | daughter | Housework | Ohio |
| 29 | Ethel Porada | 21 | daughter | House Work | Ohio |
| 30 | Carl Lipply | 37 | head | Farmer | Ohio |
| 31 | Mildred Lipply | 34 | wife | — | Pennsylvania |
| 32 | Betty Lipply | 16 | daughter | — | Ohio |
| 33 | Loren Lipply | 11 | son | — | Ohio |
| 34 | Rhoda Lipply | 8 | daughter | — | Ohio |
| 35 | Oscar Hofmann | 26 | farm hand | Farm Hand | Ohio |
| 36 | Herbert Wilson | 45 | head | Farmer | Maryland |
| 37 | Sallie F Wilson | 43 | wife | — | Virginia |
| 38 | Ralph Wilson | 19 | son | Service Man | Illinois |
| 39 | John Sedlak | 50 | head | Burner | Czechoslovakia |
| 40 | Veronica Sedlak | 48 | wife | — | Czechoslovakia |
Related Census Records
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)