DS
Dorothy Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Sullivan across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Crafton Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Crafton Borough |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Robert Sullivan | Son | — | 5 | ~1935 |
| Sarah Sullivan | Spouse | — | 45 | ~1895 |
| Sarah Sullivan | Daughter | — | 2 | ~1938 |
| John Sullivan | Head | — | 48 | ~1892 |
| John Sullivan | Son | — | 8 | ~1932 |
| Jean Sullivan | Daughter | — | 11 | ~1929 |
| Florence Sullivan | Daughter | — | 16 | ~1924 |
| Margaret Sullivan | Daughter | — | 17 | ~1923 |
| Dorothy Sullivan | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 3
Allegheny, Pennsylvania · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 9 household members
| Surname | Sullivan |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Crafton Borough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 7 |
| 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 Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Sullivan
Daughter · 1940 · age 13 · b. ~1927 · Pennsylvania
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Sibling
Robert Sullivan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Sullivan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Sullivan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Sullivan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
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 — 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-t0627-03401-00478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gertrude Carr | 28 | Daughter | — | Pennsylvania |
| 42 | John Robert Carr | 3 | Son | — | Pennsylvania |
| 43 | Matthew Vea | 41 | Head | Salesman | Wisconsin |
| 44 | Lucille Vea | 39 | Wife | Telephone Operator | Illinois |
| 45 | David Vea | 11 | Son | — | Ohio |
| 46 | Theodore Vea | 9 | Son | — | Ohio |
| 47 | Peter Vea | 2 | Son | — | Pennsylvania |
| 48 | Richard D. Thomas | 65 | Head | Telegraph Operator | Wales |
| 49 | Louise Thomas | 63 | Wife | — | Pennsylvania |
| 50 | Helen C. Thomas | 37 | Daughter | Teacher | Pennsylvania |
| 51 | James Trimble | 44 | Son-in-law | Cashier | Pennsylvania |
| 52 | Mildred Trimble | 34 | Daughter | — | Pennsylvania |
| 53 | Jacqueline Trimble | 3 | Daughter | — | Pennsylvania |
| 54 | John Sullivan | 48 | Head | Cable Man | Pennsylvania |
| 55 | Sarah Sullivan | 45 | Wife | — | Pennsylvania |
| 56 | Margaret Sullivan | 17 | Daughter | — | Pennsylvania |
| 57 | Florence Sullivan | 16 | Daughter | — | Pennsylvania |
| 58 | Dorothy Sullivan THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 59 | Jean Sullivan | 11 | Daughter | — | Pennsylvania |
| 60 | John Sullivan | 8 | Son | — | Pennsylvania |
| 61 | Robert Sullivan | 5 | Son | — | Pennsylvania |
| 62 | Sarah Sullivan | 2 | Daughter | — | Pennsylvania |
| 63 | Wayland Bowser | 46 | Head | Assistant Manager | Pennsylvania |
| 64 | Mary Bowser | 39 | Wife | — | Pennsylvania |
| 65 | Wayland Bowser | 9 | Son | — | Pennsylvania |
| 66 | Laura Davis | 57 | Head | — | Pennsylvania |
| 67 | Catherine Davis | 27 | Daughter | Secretary | Pennsylvania |
| 68 | Robert B. Davis | 26 | Son | Clerk | Pennsylvania |
| 69 | William Leich Davis | 23 | Son | Clerk | Pennsylvania |
| 70 | Betty Jane Davis | 18 | Daughter | New Worker | Pennsylvania |
| 71 | Robert J. Meister | 59 | Head | Salesman | Ohio |
| 72 | Sarah Meister | 59 | Wife | — | Pennsylvania |
| 73 | Maude H. Munnell | 65 | Head | Stenographer | Pennsylvania |
| 74 | Edith Zelda Munnell | 56 | Sister | — | Pennsylvania |
| 75 | Ray Wunderly | 57 | Head | Civil Engineer | Pennsylvania |
| 76 | Cora Wunderly | 57 | Wife | — | Pennsylvania |
| 77 | Simon Rudolph | 47 | Head | Coffee Importer | Pennsylvania |
| 78 | Juliet Rudolph | 46 | Wife | — | Pennsylvania |
| 79 | John Rudolph | 18 | Son | — | Pennsylvania |
| 80 | Miriam Rudolph | 16 | Daughter | — | Pennsylvania |
Related Census Records
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)