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Mildred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mildred Thomas across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a spouse (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Homestead |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | West Homestead |
| Est. Birth Year | ~1915 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Cheryl Thomas | Daughter | — | 4 | ~1936 |
| Mary Thomas | Daughter | — | 5 | ~1935 |
| Shirley Thomas | Daughter | — | 2 | ~1938 |
| Andy Thomas | Head | — | 26 | ~1914 |
| Mildred Thomas | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| 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 15
Allegheny, Pennsylvania · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Operator |
| Industry | Telephone |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | West Homestead |
| 1935 Residence (County) | Allegheny |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 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 Mildred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Charles Thomas (~0.92 confidence) and mother Clara Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thomas
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Charles Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Clara Thomas
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Thomas
Spouse · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
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-t0627-03420-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Petsko | 12 | Daughter | — | Pennsylvania |
| 42 | Joseph Vargo | 53 | Head | Car Inspector | Hungary |
| 43 | Irina Vargo | 46 | Wife | — | Hungary |
| 44 | Andy Thomas | 26 | Head | Laborer | Pennsylvania |
| 45 | Mildred Thomas THIS PERSON | 25 | Wife | — | Pennsylvania |
| 46 | Mary Thomas | 5 | Daughter | — | Pennsylvania |
| 47 | Cheryl Ann Thomas | 4 | Daughter | — | Ohio |
| 48 | Shirley Thomas | 2 | Daughter | — | Pennsylvania |
| 49 | Harry Healey | 32 | Head | Weigher | Pennsylvania |
| 50 | Helen Healey | 23 | Wife | — | Pennsylvania |
| 51 | William Kemp | 26 | Head | Pit Recorder | Pennsylvania |
| 52 | Helen Kemp | 23 | Wife | Cashier-Typist | Pennsylvania |
| 53 | Stewart Healey | 35 | Head | County Auditor | Pennsylvania |
| 54 | John Mcwilliam | 62 | Head | Laborer | Scotland |
| 55 | Ann Mcwilliam | 56 | Wife | — | Scotland |
| 56 | Harry Mcwilliam | 20 | Son | New Worker | Pennsylvania |
| 57 | Robert Mcwilliam | 18 | Son | New Worker | Pennsylvania |
| 58 | Norman Lydic | 36 | Head | Helper | Pennsylvania |
| 59 | Dora Lydic | 34 | Wife | — | Pennsylvania |
| 60 | Norman Jr. Lydic | 18 | Son | — | Pennsylvania |
| 61 | Betty June Lydic | 16 | Daughter | — | Pennsylvania |
| 62 | Richard Hindmarch | 31 | Head | Roll Turner | Pennsylvania |
| 63 | George Hindmarch | 28 | Wife | — | Pennsylvania |
| 64 | Richard Hindmarch | 5 | Son | — | Pennsylvania |
| 65 | Betty Margaret Hindmarch | 2 | Daughter | — | Pennsylvania |
| 66 | Albert Newingham | 27 | Head | Craneman | Pennsylvania |
| 67 | Ruth Newingham | 24 | Wife | — | Pennsylvania |
| 68 | James Newingham | 5 | Son | — | Pennsylvania |
| 69 | Lorraine Newingham | 3 | Daughter | — | Pennsylvania |
| 70 | Ralph Newingham | 2 | Son | — | Pennsylvania |
| 71 | Charles Newingham | 3 | Son | — | Pennsylvania |
| 72 | George Newingham | 65 | Father | Utility Man | Pennsylvania |
| 73 | Ella Healey | 41 | Head | — | Pennsylvania |
| 74 | Mildred Healey | 17 | Daughter | — | Pennsylvania |
| 75 | William Healey | 14 | Son | — | Pennsylvania |
| 76 | Harry Mccallum | 62 | Father | Painter(Idle) | Pennsylvania |
| 77 | Ernest Strochs | 41 | Head | Tinsmith | Pennsylvania |
| 78 | James Strochs | 40 | Wife | — | Pennsylvania |
| 79 | Kathleen Strochs | 13 | Daughter | — | Pennsylvania |
| 80 | Ernest Strochs | 9 | Son | — | Pennsylvania |
Pedigree Summary
Mildred
Gen 1 · 3 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)