ET
Ethel Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ethel Thomas across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Coraopolis Borough |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Thomas | Daughter | — | 15 | ~1925 |
| Mary Thomas | Daughter | — | 20 | ~1920 |
| Virginia Thomas | Daughter | — | 13 | ~1927 |
| James Thomas | Head | — | 50 | ~1890 |
| John Thomas | Son | — | 26 | ~1914 |
| James Thomas | Son | — | 27 | ~1913 |
| David Thomas | Son | — | 11 | ~1929 |
| Joseph Thomas | Son | — | 24 | ~1916 |
| Abraham Thomas | Son | — | 22 | ~1918 |
| Edith Thomas | Spouse | — | 21 | ~1919 |
| Ethel Thomas | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Esthel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Utah |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 11 household members
| Surname | Thomas |
| Given Name | Ethel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis Borough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | Hs 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 Ethel Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Thomas
Daughter · 1940 · age 15 · b. ~1925 · Pennsylvania
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Sibling
James Thomas
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abraham Thomas
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Thomas
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Thomas
Sibling · 1940 · age 24
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-t0627-03401-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty J. Bassett | 13 | Daughter | — | Pennsylvania |
| 42 | Peter Moros | 44 | Head | Drill Presser | Russia |
| 43 | Katherine Moros | 31 | Wife | — | Pennsylvania |
| 44 | Gregory Moros | 10 | Son | — | Pennsylvania |
| 45 | Richard Moros | 6 | Son | — | Pennsylvania |
| 46 | Marion Marcuse | 43 | Head | Crane Man | Italy |
| 47 | Mary Marcuse | 32 | Wife | — | Pennsylvania |
| 48 | Nicholas Marcuse | 14 | Son | — | Pennsylvania |
| 49 | Eleanor Marcuse | 13 | Daughter | — | Pennsylvania |
| 50 | James H. Thomas | 50 | Head | Metal Pourer | West Virginia |
| 51 | Ethel Thomas | 52 | Wife | — | Virginia |
| 52 | John H. Thomas | 26 | Son | — | Virginia |
| 53 | Joseph Thomas | 24 | Son | Laborer | Virginia |
| 54 | Abraham Thomas | 22 | Son | Chipper | Pennsylvania |
| 55 | Mary Thomas | 20 | Daughter | — | Pennsylvania |
| 56 | Ethel Thomas THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 57 | Virginia Thomas | 13 | Daughter | — | Pennsylvania |
| 58 | David Thomas | 11 | Son | — | Pennsylvania |
| 59 | James Thomas | 27 | Son | Shake Out | Virginia |
| 60 | Edith Thomas | 21 | Wife | — | Pennsylvania |
| 61 | James H. Mckenna | 55 | Head | Lock Tender | Massachusetts |
| 62 | Bertha Mckenna | 55 | Wife | — | Pennsylvania |
| 63 | James H. Mckenna | 21 | Son | New Worker | Pennsylvania |
| 64 | Virginia F. Mckenna | 18 | Daughter | New Worker | Pennsylvania |
| 65 | Charles C. Mckenna | 15 | Son | — | Pennsylvania |
| 66 | Hugh Mister | 33 | Head | Ashpit Man | Pennsylvania |
| 67 | Frances Mister | 26 | Wife | — | Pennsylvania |
| 68 | Elizabeth Mister | 3 | Daughter | — | Pennsylvania |
| 69 | Walter Mister | 7 | Son | — | Pennsylvania |
| 70 | Melvin Mister | 5 | Son | — | Pennsylvania |
| 71 | Howard Creser | 45 | Head | Crane Man | Pennsylvania |
| 72 | Julia Creser | 40 | Wife | — | West Virginia |
| 73 | Richard Creser | 17 | Son | New Worker | Pennsylvania |
| 74 | Charles Creser | 15 | Son | — | Pennsylvania |
| 75 | Beverly Creser | 7 | Daughter | — | Pennsylvania |
| 76 | August Solito | 53 | Head | Repairer Int Car | Italy |
| 77 | Rose Solito | 43 | Wife | — | Italy |
| 78 | Frank Solito | 21 | Son | New Worker | Italy |
| 79 | Mike Solito | 17 | Son | New Worker | Pennsylvania |
| 80 | Paul Solito | 16 | Son | — | 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)