JH
Joseph Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Joseph Hoffman across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hoffman |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Hoffman | Head | — | 37 | ~1903 |
| Joseph Hoffman | Son | — | 11 | ~1929 |
| Rosemarie Hoffman | Daughter | — | 12 | ~1928 |
| Dorothy Hoffman | Daughter | — | 5 | ~1935 |
| Mildred Hoffman | Daughter | — | 7 | ~1933 |
| Marie Hoffman | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 17
Allegheny, Pennsylvania · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | Joseph |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Stock Clerk |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 27
Allegheny, Pennsylvania · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffmann |
| Given Name | Joseph S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Instructor |
| Industry | University |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 37
Allegheny-County, Pennsylvania · implied b. ~1903 — 6 household members
| Surname | Hoffman |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Joseph Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Hoffman
Head · 1940 · age 37 · b. ~1903 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03672-00839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances Gesting | 17 | Daughter | — | Pennsylvania |
| 2 | Laura Gesting | 15 | Daughter | — | Pennsylvania |
| 3 | Andrew Loubonski | 46 | Head | — | Pennsylvania |
| 4 | Alice Loubonski | 40 | Wife | Chamber Maid | Poland |
| 5 | Gertrude Loubonski | 21 | Daughter | Stenographer | Pennsylvania |
| 6 | Clara Loubonski | 19 | Daughter | — | Pennsylvania |
| 7 | Joseph Loubonski | 17 | Son | — | Pennsylvania |
| 8 | Bernard Loubonski | 16 | Son | — | Pennsylvania |
| 9 | Joseph Hoffman THIS PERSON | 37 | Head | Laborer | Pennsylvania |
| 10 | Marie Hoffman | 36 | Wife | — | Pennsylvania |
| 11 | Rosemarie Hoffman | 12 | Daughter | — | Pennsylvania |
| 12 | Joseph Hoffman | 11 | Son | — | Pennsylvania |
| 13 | Mildred Hoffman | 7 | Daughter | — | Pennsylvania |
| 14 | Dorothy Hoffman | 5 | Daughter | — | Pennsylvania |
| 15 | Harry Bayne | 51 | Head | Truck Driver | Pennsylvania |
| 16 | Marie Bayne | 48 | Wife | — | Pennsylvania |
| 17 | Sue Shaver | 32 | Head | Waitress | Pennsylvania |
| 18 | Richard Shaver | 12 | Son | — | Pennsylvania |
| 21 | Julia Sedell | 80 | Mother | — | Austria |
| 22 | Anthony Sedell | 40 | Son | Laborer | Pennsylvania |
| 23 | Edgar Lynch | 65 | Head | Laborer | Pennsylvania |
| 24 | Walter Runski | 26 | Head | Laborer | Pennsylvania |
| 25 | Ellen Runski | 21 | Wife | — | Illinois |
| 26 | Walter Runski | 2 | Son | — | Pennsylvania |
| 27 | Marie Runski | 1 | Daughter | — | Pennsylvania |
| 28 | Eugenio Corrtapassi | 51 | Head | Janitor | Italy |
| 29 | Irena Corrtapassi | 48 | Wife | — | Italy |
| 30 | John Corrtapassi | 16 | Son | — | Pennsylvania |
| 31 | Christine Hetzel | 57 | Head | — | Pennsylvania |
| 32 | Eva Mckinney | 68 | Head | — | Pennsylvania |
| 33 | Frank Plantz | 77 | Lodger | — | Pennsylvania |
| 34 | George Lee | 27 | Head | Wool Binder | West Virginia |
| 35 | Bertha Lee | 27 | Wife | — | West Virginia |
| 36 | William Warker | 69 | Head | — | Pennsylvania |
| 37 | Luella Davison | 60 | Head | — | Pennsylvania |
| 38 | Mary Davison | 22 | Daughter | — | Pennsylvania |
| 39 | Ola Wright | 52 | Head | — | West Virginia |
| 40 | Geraldine Wright | 19 | Daughter | — | Pennsylvania |
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)