JH
James Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mahoning-County, Ohio
Our Model Tree links this James Hoffman across the 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mahoning-County, Ohio |
| Surname | Hoffman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Struthers Ohio |
| 1935 Residence (County) | Mahoning |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Struthers Ohio |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Edward Hoffman | Head | — | 42 | ~1898 |
| Thomas Hoffman | Son | — | 22 | ~1918 |
| Robert Hoffman | Son | — | 11 | ~1929 |
| William Hoffman | Son | — | 17 | ~1923 |
| Elizabeth Hoffman | Spouse | — | 41 | ~1899 |
| Edward Hoffman | Son | — | 19 | ~1921 |
| James Hoffman | Son | — | 15 | ~1925 |
| Lillian Hoffman | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Mahoning, Ohio
Son, age 5
Mahoning, Ohio · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Czecho Slovakia |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mahoning-County, Ohio
Son, age 15
Mahoning-County, Ohio · implied b. ~1925 — 8 household members
| Surname | Hoffman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Struthers Ohio |
| 1935 Residence (County) | Mahoning |
| Highest Grade | H 2 |
| 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 James Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hoffman
Son · 1940 · age 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Robert Hoffman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hoffman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hoffman
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Hoffman
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hoffman
Sibling · 1940 · age 17
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-t0627-03108-00703)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Agee | 59 | Lodger | Oiler | Missouri |
| 42 | Garnald Agee | 24 | Lodger | Helper | Missouri |
| 43 | Lew Keller | 28 | Lodger | Electrician | Germany |
| 44 | Evelyn Homer | 31 | Lodger | — | Michigan |
| 45 | Nowell Campbell | 27 | Head | Utility Man | W. Virginia |
| 46 | Gilla Campbell | 24 | Wife | — | Ohio |
| 47 | Dawn Campbell | 7 | Daughter | — | Ohio |
| 48 | Lowell Campbell | 3 | Son | — | Ohio |
| 49 | Nale Campbell | 2 | Son | — | Ohio |
| 50 | John Stojan | 38 | Head | Bookkeeper | Roumania |
| 51 | Helen Stojan | 30 | Wife | — | Roumania |
| 52 | John R. Stojan | 11 | Son | — | Ohio |
| 53 | Nicholas Stojan | 9 | Son | — | Ohio |
| 54 | Eli Ileaca | 50 | Lodger | — | Roumania |
| 55 | Nicholas Stojan | 74 | Father | — | Roumania |
| 56 | John Martin | 53 | Head | Proprietor | Germany |
| 57 | Metro Dickum | 34 | Head | Proprietor | Pennsylvania |
| 58 | Josephine Dickum | 34 | Wife | Waitress | Pennsylvania |
| 59 | Charles Dickum | 12 | Son | — | Ohio |
| 60 | Robert Dickum | 7 | Son | — | Ohio |
| 61 | John Dickum | 24 | Brother | Bartender | Pennsylvania |
| 62 | Block 3 Begins. End Of Block 2 | None | — | — | — |
| 63 | Edward Hoffman | 42 | Head | Operator | Ohio |
| 64 | Elizabeth Hoffman | 41 | Wife | — | Pennsylvania |
| 65 | Thomas Hoffman | 22 | Son | Roll Turner | Ohio |
| 66 | Lillian Hoffman | 20 | Daughter | Clerk | Ohio |
| 67 | Edward Jr. Hoffman | 19 | Son | Salesman | Ohio |
| 68 | William Hoffman | 17 | Son | — | Ohio |
| 69 | James Hoffman THIS PERSON | 15 | Son | — | Ohio |
| 70 | Robert Hoffman | 11 | Son | — | Ohio |
| 71 | Roy Sharp | 50 | Head | Conductor | Tennessee |
| 72 | Alberta Sharp | 40 | Wife | — | Alabama |
| 73 | Arley Houghton | 46 | Head | Policeman | W. Virginia |
| 74 | Gladys Houghton | 39 | Wife | — | Ohio |
| 75 | Marilyn Houghton | 9 | Daughter | — | Ohio |
| 76 | Arlene Houghton | 1 | Daughter | — | Ohio |
| 77 | Paul Fearian | 28 | Head | Clerk | Ohio |
| 78 | Mildred Fearian | 26 | Wife | — | Pennsylvania |
| 79 | Joan Fearian | 3 | Daughter | — | Ohio |
| 80 | Bobbie Fearian | 2 | Son | — | Ohio |
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)