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Dorothy Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Allen across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents David & David — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mckeesport City |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Allen | Daughter | — | 22 | ~1918 |
| John Johnson | Head | — | 53 | ~1887 |
| Julia Johnson | Other | — | 21 | ~1919 |
| Irene Johnson | Other | — | 2 | ~1938 |
| Robert Allen | Other | — | 23 | ~1917 |
| Henry Johnson | Son | — | 17 | ~1923 |
| Engard Johnson | Son | — | 26 | ~1914 |
| Esther Johnson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allan |
| Given Name | Dorothy L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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
Daughter, age 12
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Allen |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-4 |
| 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 Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Allan (~0.92 confidence) and father David Allen (~0.92 confidence) and mother Sarah Allan (~0.92 confidence) and mother Laura Allen (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Esther Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Allan
b. ~1845
Source father
● Household
· direct · ~0.92
Father
David Allen
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Sarah Allan
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Laura Allen
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Esther Johnson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Allen
Daughter · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Henry Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Engard Johnson
Sibling · 1940 · age 26
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-t0627-03409-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John L. Mestermak | 63 | Head | Pipe Fitter | Germany |
| 2 | Agnes Mestermak | 61 | Wife | — | Scotland |
| 3 | Albert S. Mestermak | 23 | Son | Truck Driver | Pennsylvania |
| 4 | Charles J. Dremel | 45 | Head | Laborer | Pennsylvania |
| 5 | Mary Dremel | 38 | Wife | — | Pennsylvania |
| 6 | Anna May Dremel | 8 | Daughter | — | Pennsylvania |
| 7 | Wm A. Baker | 59 | Head | Foreman | Pennsylvania |
| 8 | Mary Baker | 54 | Wife | — | Maryland |
| 9 | Bessie May Baker | 29 | Daughter | Dental Assistant | Maryland |
| 10 | Ida D. Baker | 19 | Daughter | — | Maryland |
| 11 | Carl Saraney | 47 | Head | Laborer | Pennsylvania |
| 12 | Mary Saraney | 37 | Wife | — | Ohio |
| 13 | Hulda Saraney | 71 | Mother | — | Sweden |
| 14 | John Rucko | 45 | Head | Packer | Mississippi |
| 15 | Cecilia Rucko | 38 | Wife | — | Louisiana |
| 16 | Laverne Rucko | 13 | Daughter | — | Pennsylvania |
| 17 | John Johnson | 53 | Head | Cement Finisher | Sweden |
| 18 | Esther Johnson | 50 | Wife | — | Sweden |
| 19 | Henry Johnson | 17 | Son | New Worker | Pennsylvania |
| 20 | Engard Johnson | 26 | Son | Truck Driver | Sweden |
| 21 | Julia Johnson | 21 | Daughter-in-law | — | Pennsylvania |
| 22 | Robert Allen | 23 | Son-in-law | Conveyer Man | Pennsylvania |
| 23 | Dorothy Allen THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 24 | Irene Johnson | 2 | Granddaughter | — | Pennsylvania |
| 25 | Nicholas Provitt | 69 | Head | Laborer | Germany |
| 26 | Elizabeth Provitt | 60 | Wife | — | Germany |
| 27 | Mable M. Provitt | 17 | Daughter | — | Pennsylvania |
| 28 | Willard Struck | 31 | Son-in-law | Buffer | Pennsylvania |
| 29 | Marie Struck | 26 | Daughter | — | Pennsylvania |
| 30 | Nora Marie Struck | 7 | Daughter | — | Pennsylvania |
| 31 | Frank Baker | 44 | Head | Pipe Fitter | Pennsylvania |
| 32 | Celia Baker | 44 | Wife | — | New York |
| 33 | Louise Baker | 18 | Daughter | Saleslady | Pennsylvania |
| 34 | Ethel Baker | 16 | Daughter | — | Pennsylvania |
| 35 | Frank Baker | 14 | Son | — | Pennsylvania |
| 36 | Virginia Baker | 11 | Daughter | — | Pennsylvania |
| 37 | Ella Baker | 69 | Mother | — | Pennsylvania |
| 38 | Frank M. Sheppard | 39 | Head | Electrician | West Virginia |
| 39 | Ervie G. Sheppard | 38 | Wife | Studio Manager | Pennsylvania |
| 40 | Betty T. Sheppard | 16 | Daughter | — | Ohio |
Pedigree Summary
Dorothy + 2 siblings
Gen 1 · 6 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)