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Lillie Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this Lillie Thomas across the 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Lillie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 90 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Housekeeper |
| Township / Ward | Canonsburg |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillie | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thomas | Daughter | — | 9 | ~1931 |
| Lillie Thomas | Daughter | — | 18 | ~1922 |
| Joseph Thomas | Head | — | 46 | ~1894 |
| Samuel Thomas | Son | — | 22 | ~1918 |
| Melvin Thomas | Son | — | 14 | ~1926 |
| Adam Thomas | Son | — | 14 | ~1926 |
| Joseph Thomas | Son | — | 10 | ~1930 |
| Charles Thomas | Son | — | 16 | ~1924 |
| Anthony Thomas | Son | — | 13 | ~1927 |
| Edna Thomas | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Washington, Pennsylvania
Daughter, age 8
Washington, Pennsylvania · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lilly |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Syria |
| Mother's Birthplace | Syria |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Daughter, age 18
Washington-County, Pennsylvania · implied b. ~1922 — 10 household members
| Surname | Thomas |
| Given Name | Lillie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg |
| 1935 Residence (County) | Washington |
| Occupation | Housekeeper |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 90 |
| 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 Lillie Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillie Thomas
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
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Sibling
Melvin Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Thomas
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Thomas
Sibling · 1940 · age 13
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03620-00473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lavina David | 12 | Daughter | — | Pennsylvania |
| 42 | Jafick David | 9 | Son | — | Pennsylvania |
| 43 | Harris Jr. David | 3 | Son | — | Pennsylvania |
| 44 | Tofick Lewis | 39 | Head | Pickler | Syria |
| 45 | Mary Lewis | 45 | Wife | — | Syria |
| 46 | Fredrick Lewis | 13 | Son | — | Ohio |
| 47 | Dolores Lewis | 11 | Daughter | — | Pennsylvania |
| 48 | Joseph Dunn | 35 | Head | Ruffer | England |
| 49 | Viola Dunn | 28 | Wife | — | Pennsylvania |
| 50 | Charlotte Dunn | 9 | Daughter | — | Pennsylvania |
| 51 | Ruth Dunn | 7 | Daughter | — | Pennsylvania |
| 52 | Nancy Dunn | 3 | Daughter | — | Pennsylvania |
| 53 | Alexander Sam | 43 | Head | Catcher | Syria |
| 54 | Agnes Sam | 32 | Wife | — | Syria |
| 55 | Joseph Sam | 11 | Son | — | Pennsylvania |
| 56 | Rudia Sam | 10 | Daughter | — | Pennsylvania |
| 57 | Alexander Jr. Sam | 4 | Son | — | Pennsylvania |
| 58 | Abraham George | 58 | Head | — | Syria |
| 59 | Adra George | 70 | Wife | — | Syria |
| 60 | Fred Solomony | 37 | Head | Catcher | Syria |
| 61 | Agnes Solomony | 25 | Wife | — | Pennsylvania |
| 62 | Estella Solomony | 1 | Daughter | — | Pennsylvania |
| 63 | Joseph Thomas | 46 | Head | Catcher | Syria |
| 64 | Edna Thomas | 42 | Wife | — | Syria |
| 65 | Samuel Thomas | 22 | Son | Clerk | Pennsylvania |
| 66 | Lillie Thomas THIS PERSON | 18 | Daughter | Housekeeper | Pennsylvania |
| 67 | Charles Thomas | 16 | Son | — | Pennsylvania |
| 68 | Melvin Thomas | 14 | Son | — | Pennsylvania |
| 69 | Adam Thomas | 14 | Son | — | Pennsylvania |
| 70 | Anthony Thomas | 13 | Son | — | Pennsylvania |
| 71 | Joseph Jr. Thomas | 10 | Son | — | Pennsylvania |
| 72 | Ruth Thomas | 9 | Daughter | — | Pennsylvania |
| 73 | Samuel Lucash | 46 | Head | Pickler | Syria |
| 74 | Freda Lucash | 43 | Wife | — | Syria |
| 75 | Najed Lucash | 23 | Son | Labor | Pennsylvania |
| 76 | Phillip Lucash | 20 | Son | — | Pennsylvania |
| 77 | Samuel Lucash | 17 | Son | — | Pennsylvania |
| 78 | Mamie Lucash | 16 | Daughter | — | Pennsylvania |
| 79 | Ruth Lucash | 13 | Daughter | — | Pennsylvania |
| 80 | David Lucash | 12 | 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)