DT
Dorothy Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Dorothy Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Dorothy O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mt Lebanon |
| Est. Birth Year | ~1893 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| John Thomas | Head | — | 47 | ~1893 |
| Harold Stoss | Other | — | 21 | ~1919 |
| Thomas Thomas | Son | — | 13 | ~1927 |
| John Thomas | Son | — | 5 | ~1935 |
| Dorothy Thomas | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 26
Allegheny, Pennsylvania · implied b. ~1894 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| 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
Spouse, age 37
Allegheny, Pennsylvania · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 30 |
| 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
Spouse, age 47
Allegheny-County, Pennsylvania · implied b. ~1893 — 5 household members
| Surname | Thomas |
| Given Name | Dorothy O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Mt. Lebanon |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Dorothy Thomas
Spouse · 1940 · age 47 · b. ~1893 · Pennsylvania
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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-t0627-03411-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Phoebe Lemmon | 69 | Head | — | Pennsylvania |
| 42 | Margaret Mcauley | 61 | Companion | — | Pennsylvania |
| 43 | Raymond Goettel | 28 | Head | Foreman | Pennsylvania |
| 44 | Ruth Goettel | 27 | Wife | — | Pennsylvania |
| 45 | Elizabeth Goettel | 5 | Daughter | — | Pennsylvania |
| 46 | Shirley Goettel | 1 | Daughter | — | Pennsylvania |
| 47 | George F. Goettel | 52 | Head | Truck Driver | Pennsylvania |
| 48 | Mary G. Goettel | 41 | Wife | — | Pennsylvania |
| 49 | Dorothy Goettel | 22 | Daughter | — | Pennsylvania |
| 50 | Mary Goettel | 12 | Daughter | — | Pennsylvania |
| 51 | George W. Goettel | 36 | Head | Carpenter | Pennsylvania |
| 52 | Gladys Goettel | 35 | Wife | — | Pennsylvania |
| 53 | Gordon Goettel | 14 | Son | — | Pennsylvania |
| 54 | Franz Schmidt | 65 | Head | Retired | Germany |
| 55 | Suzanne Schmidt | 61 | Wife | — | Germany |
| 56 | Ruth Schmidt | 25 | Daughter | Maid | Pennsylvania |
| 57 | Galvin P. Mowery | 56 | Head | Super 200 Mills | Pennsylvania |
| 58 | Sarah Mowery | 51 | Wife | — | Pennsylvania |
| 59 | Ruth Mowery | 27 | Daughter | Stenographer | Pennsylvania |
| 60 | Walter Mowery | 25 | Son | Clerk | Pennsylvania |
| 61 | Helene Mowery | 21 | Daughter | — | Pennsylvania |
| 62 | Mildred Mowery | 14 | Daughter | — | Pennsylvania |
| 63 | Roy L. Borgman | 31 | Head | Engineer | Pennsylvania |
| 64 | Dorothy Borgman | 31 | Wife | — | Pennsylvania |
| 65 | Mary A. Morton | 60 | Head | — | Pennsylvania |
| 66 | Comfort Morton | 16 | Son | — | Pennsylvania |
| 67 | William Morton | 18 | Son | — | Pennsylvania |
| 68 | Thomas Morton | 25 | Head | Truck Driver | Pennsylvania |
| 69 | Rose Morton | 22 | Wife | — | Pennsylvania |
| 70 | Thomas Morton | 1 | Son | — | Pennsylvania |
| 71 | John Morton | 0 | Son | — | Pennsylvania |
| 72 | Samuel M. Morton | 22 | Head | Baking & Conf. | Pennsylvania |
| 73 | Mathilda Morton | 23 | Wife | — | Pennsylvania |
| 74 | Kathryn Morton | 17 | Daughter | — | Pennsylvania |
| 75 | Arline Morton | 1 | Daughter | — | Pennsylvania |
| 76 | John L. Thomas | 47 | Head | Salesman | Pennsylvania |
| 77 | Dorothy O. Thomas THIS PERSON | 47 | Wife | — | Pennsylvania |
| 78 | Thomas Thomas | 13 | Son | — | Pennsylvania |
| 79 | John Thomas | 5 | Son | — | Pennsylvania |
| 80 | Harold Stoss | 21 | Lodger | Garage | 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)