DH
Dorothy Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Hoffman across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Hoffman |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1926 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Robert Hoffman | Son | — | 11 | ~1929 |
| Mildred Hoffman | Spouse | — | 33 | ~1907 |
| Dorothy Hoffman | Daughter | — | 14 | ~1926 |
| Edith Hoffman | Daughter | — | 10 | ~1930 |
| John Hoffman | Son | — | 9 | ~1931 |
| William Reditich | Head | — | 54 | ~1886 |
| Mary Reditich | Spouse | — | 52 | ~1888 |
| Jean Hoffman | Daughter | — | 15 | ~1925 |
| Audrey Hoffman | Daughter | — | 13 | ~1927 |
| Ray Reditich | Son | — | 16 | ~1924 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 4
Allegheny, Pennsylvania · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | Dorothy G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 14
Allegheny-County, Pennsylvania · implied b. ~1926 — 10 household members
| Surname | Hoffman |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| 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 Dorothy Hoffman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Hoffman
Daughter · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Audrey Hoffman
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Reditich
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Hoffman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Hoffman
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hoffman
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hoffman
Sibling · 1940 · age 9
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-t0627-03674-00704)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George W. Kiefer | 23 | Son | Laborer | Pennsylvania |
| 42 | Charlotte Kiefer | 21 | Daughter | Stenographer | Pennsylvania |
| 43 | Raymond Randolph | 43 | Head | Driver | West Virginia |
| 44 | Mabel B. Randolph | 38 | Wife | — | Virginia |
| 45 | Richard D. Randolph | 11 | Son | — | Pennsylvania |
| 46 | Gladys Randolph | 10 | Daughter | — | Indiana |
| 47 | August Lang | 39 | Head | Butcher | Austria |
| 48 | Marie Lang | 39 | Wife | — | Austria |
| 49 | August A. Lang | 10 | Son | — | Pennsylvania |
| 50 | Rose Marie Lang | 6 | Daughter | — | Pennsylvania |
| 51 | Marlene Lang | 2 | Daughter | — | Pennsylvania |
| 52 | Clyde Swick | 23 | Head | Truck Driver | Pennsylvania |
| 53 | Mathilda Swick | 17 | Wife | — | Pennsylvania |
| 54 | Clyde Jr. Swick | 1 | Son | — | Pennsylvania |
| 55 | William Reditich | 54 | Head | Butcher | Pennsylvania |
| 56 | Mary Reditich | 52 | Wife | — | Pennsylvania |
| 57 | Ray Reditich | 16 | Son | — | Pennsylvania |
| 58 | Mildred Hoffman | 33 | Wife | — | Pennsylvania |
| 59 | Jean Hoffman | 15 | Daughter | — | Pennsylvania |
| 60 | Dorothy Hoffman THIS PERSON | 14 | Daughter | — | Pennsylvania |
| 61 | Audrey Hoffman | 13 | Daughter | — | Pennsylvania |
| 62 | Robert Hoffman | 11 | Son | — | Pennsylvania |
| 63 | Edith Hoffman | 10 | Daughter | — | Pennsylvania |
| 64 | John Hoffman | 9 | Son | — | Pennsylvania |
| 65 | Joseph Vacek | 27 | Head | Laborer | Pennsylvania |
| 66 | Esther Vacek | 26 | Wife | — | Pennsylvania |
| 67 | Joseph Jr. Vacek | 3 | Son | — | Pennsylvania |
| 68 | Marie Miller | 42 | Head | — | Pennsylvania |
| 69 | Raymond Miller | 20 | Son | Messenger | Pennsylvania |
| 70 | Alfred Miller | 16 | Son | — | Pennsylvania |
| 71 | Harry Schuirmann | 71 | Lodger | — | Pennsylvania |
| 72 | William Korneka | 48 | Head | Hauling | Pennsylvania |
| 73 | Stella Korneka | 38 | Wife | — | Pennsylvania |
| 74 | Barbie Semindinger | 65 | Head | — | Pennsylvania |
| 75 | Edward Semindinger | 41 | Son | Laborer | Pennsylvania |
| 76 | Joseph Kraus | 61 | Head | Butcher | Austria |
| 77 | Mary Kraus | 58 | Wife | — | Austria |
| 78 | August Hartman | 43 | Head | Laborer | Pennsylvania |
| 79 | Marie Hartman | 39 | Wife | — | Pennsylvania |
| 80 | Harry Hartman | 20 | Son | Warehouseman | 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)