DH
Dorothy Hoffman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Hoffman across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Albert & Joseph — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hoffman |
| Given Name | Dorothy F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Insurance and Metal |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 918 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1919 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hoffman | Daughter | — | 23 | ~1917 |
| Albert Hoffman | Head | — | 48 | ~1892 |
| Ella Hoffman | Spouse | — | 44 | ~1896 |
| Dorothy Hoffman | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 21
Allegheny-County, Pennsylvania · implied b. ~1919 — 4 household members
| Surname | Hoffman |
| Given Name | Dorothy F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Bookkeeper |
| Industry | Insurance and Metal |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 918 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Dorothy Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Hoffman (~0.92 confidence) and father Joseph Hoffman (~0.92 confidence) and father Thomas Hoffman (~0.92 confidence) and mother Ella Hoffman (~0.92 confidence) and mother Stella Hoffman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Hoffman
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Joseph Hoffman
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Thomas Hoffman
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ella Hoffman
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Stella Hoffman
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Hoffman
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Hoffman
Sibling · 1940 · age 23
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 — 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-t0627-03677-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Howard E Pendleberry | 38 | Head | Statistical Clerk | Pennsylvania |
| 2 | Evelyn R Pendleberry | 35 | Wife | — | Ohio |
| 3 | Howard B Pendleberry | 11 | Son | — | Pennsylvania |
| 4 | Stanley Pendleberry | 2 | Son | — | Pennsylvania |
| 5 | Joseph P Braithwaite | 42 | Head | Service Man | Pennsylvania |
| 6 | Veronica Braithwaite | 40 | Wife | — | Pennsylvania |
| 7 | Helen E Braithwaite | 20 | Daughter | Stenographer | Pennsylvania |
| 8 | James R Braithwaite | 19 | Son | — | Pennsylvania |
| 9 | Donald G Braithwaite | 13 | Son | — | Pennsylvania |
| 10 | Joseph P Braithwaite | 11 | Son | — | Pennsylvania |
| 11 | Albert Braithwaite | 9 | Son | — | Pennsylvania |
| 12 | Andrew Rampart | 31 | Head | Pattern Maker | Pennsylvania |
| 13 | Alveda Rampart | 24 | Wife | — | Pennsylvania |
| 14 | Jane Rampart | 1 | Daughter | — | Pennsylvania |
| 15 | Eileen Rampart | 1 | Daughter | — | Pennsylvania |
| 16 | N. E. Werling | 42 | Head | Service Man | Pennsylvania |
| 17 | Mae Werling | 38 | Wife | Clerk | Pennsylvania |
| 18 | Myrtilla Tucker | 61 | Head | Housewife | Ohio |
| 19 | Ellen Tucker | 25 | Daughter | Clerk | Pennsylvania |
| 20 | Thomas Tucker | 21 | Son | Multigraph Operator | Pennsylvania |
| 21 | Thomas Owen | 70 | Head | Machinist | Pennsylvania |
| 22 | Laura J Owen | 68 | Wife | — | Pennsylvania |
| 23 | Julia-Sara Owen | 44 | Daughter | — | Pennsylvania |
| 24 | Nelson Kenneth B Owen | 44 | Son-in-law | Industrial Teacher | Canada Eng |
| 25 | Raymond H Schumacher | 27 | Head | Laborer | Pennsylvania |
| 26 | Beatrice Schumacher | 22 | Wife | — | Pennsylvania |
| 27 | Peter Piter | 48 | Head | Watchman | Pennsylvania |
| 28 | Jeannette Piter | 45 | Daughter | Housework | Pennsylvania |
| 29 | John H Wess | 73 | Head | — | Pennsylvania |
| 30 | Sara Emma Wess | 62 | Wife | — | Pennsylvania |
| 31 | Sara Elizabeth Wess | 33 | Daughter | Teacher | Pennsylvania |
| 32 | Mary E Wess | 28 | Daughter | Clerk | Pennsylvania |
| 33 | George C Schmidt | 61 | Head | — | Germany |
| 34 | Mary Schmidt | 57 | Wife | — | Pennsylvania |
| 35 | Albert F Hoffman | 48 | Head | Plumber | Pennsylvania |
| 36 | Ella C Hoffman | 44 | Wife | — | New York |
| 37 | Margaret E Hoffman | 23 | Daughter | Clerk | Pennsylvania |
| 38 | Dorothy F Hoffman THIS PERSON | 21 | Daughter | Bookkeeper | Pennsylvania |
| 39 | Ludwig Trall | 73 | Head | Tailor | Germany |
| 40 | Wallene Trall | 63 | Wife | — | Germany |
Pedigree Summary
Dorothy + 1 sibling
Gen 1 · 5 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)