JH
Joseph Hoffman — 1940 US Census Record
Model Tree available1940 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), with identified parents George & Mary — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
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 | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | ice puller |
| Industry | Packing house |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1104 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Ice Puller |
| Township / Ward | Pittsburgh |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Hoffman | Spouse | — | 24 | ~1916 |
| Margaret Hoffman | Daughter | — | 1 | ~1939 |
| Joseph Hoffman | Head | — | 27 | ~1913 |
| Elizabeth Hoffman | Daughter | — | ~1940 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joseph A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1914 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Helper |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 27
Allegheny-County, Pennsylvania · implied b. ~1913 — 4 household members
| Surname | Hoffman |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | ice puller |
| Industry | Packing house |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1104 |
| Highest Grade | No 8 |
| 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. Identified parents: father George Hoffman (~0.92 confidence) and mother Mary Hoffman (~0.92 confidence) and father John Hoffman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Hoffman
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Hoffman
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
John Hoffman
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Joseph Hoffman
Head · 1940 · age 27 · b. ~1913 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03673-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Praco Carrie Paaco | 40 | Wife | — | Pennsylvania |
| 42 | Edward Paaco | 11 | Son | — | Pennsylvania |
| 43 | John A Schmitt | 63 | Head | Labor | Pennsylvania |
| 44 | Caroline Schmitt | 56 | Wife | — | Pennsylvania |
| 45 | Eugene Bittdorf | 67 | Head | Bartender | Pennsylvania |
| 46 | Leona E Bittdorf | 53 | Wife | — | New York |
| 47 | Patrick Sr. Graham | 60 | Head | Freight Dept. | England |
| 48 | Mary A. Graham | 57 | Wife | — | Pennsylvania |
| 49 | Patrick Jr. Graham | 25 | Son | Window Trimmer | Pennsylvania |
| 50 | Marcella Graham | 23 | Daughter | New Worker | Pennsylvania |
| 51 | Edward J. Graham | 19 | Son | Office Clerk | Pennsylvania |
| 52 | Anthony Donovan | 54 | Head | Bakery | Germany |
| 53 | Clara J. Donovan | 50 | Wife | — | Pennsylvania |
| 54 | Albert Donovan | 20 | Son | Checker | Pennsylvania |
| 55 | Robert Donovan | 12 | Son | — | Pennsylvania |
| 56 | Hilda Anders | 34 | Sister in law | — | Pennsylvania |
| 57 | Joseph Hoffman THIS PERSON | 27 | Head | Ice Puller | Pennsylvania |
| 58 | Dorothy D. Hoffman | 24 | Wife | — | Pennsylvania |
| 59 | Margaret Hoffman | 1 | Daughter | — | Pennsylvania |
| 60 | Elizabeth Hoffman | 0 | Daughter | — | Pennsylvania |
| 61 | Joseph D. Tremel | 74 | Head | — | New York |
| 62 | Catherine Tremel | 68 | Wife | — | Pennsylvania |
| 63 | Edward Tremel | 31 | Son | — | Pennsylvania |
| 64 | Theodore Herbet | 41 | Head | Office Clerk | Pennsylvania |
| 65 | Magdalene Herbet | 40 | Wife | Store Clerk | Pennsylvania |
| 66 | William H. Weigman | 60 | Head | Milliner | Pennsylvania |
| 67 | Edna Weigman | 60 | Wife | Laborer | Pennsylvania |
| 68 | Frank Weigman | 29 | Son | — | Pennsylvania |
| 69 | George Weigman | 23 | Son | Truck Driver | Pennsylvania |
| 70 | Emma Weigman | 22 | Daughter | Winder | Pennsylvania |
| 71 | Richard Weigman | 20 | Son | New Worker | Pennsylvania |
| 72 | Mildred Goettman | 35 | Daughter | New Worker | Pennsylvania |
| 73 | Arthur Goettman | 12 | Grandson | Sales Girl | Pennsylvania |
| 74 | Edna Goettman | 8 | Granddaughter | — | Pennsylvania |
| 75 | Thomas Goettman | 5 | Grandson | — | Pennsylvania |
| 76 | Henry Miller | 44 | Head | Sexton | Pennsylvania |
| 77 | Mildred Miller | 38 | Wife | — | Pennsylvania |
| 78 | Dorothy Miller | 15 | Daughter | — | Pennsylvania |
| 79 | Robert Miller | 12 | Son | — | Pennsylvania |
| 80 | Donald Miller | 9 | Son | — | Pennsylvania |
Pedigree Summary
Joseph
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)