ET
Elizabeth Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Elizabeth Thomas across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Isaac & James — first a daughter (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Elizabeth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Worker |
| Township / Ward | Philadelphia |
| 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 Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Thomas | Daughter | — | 25 | ~1915 |
| Kathryn Thomas | Daughter | — | 20 | ~1920 |
| Rebecca Thomas | Head | — | 49 | ~1891 |
| Jennie Thomas | Other | — | 8 | ~1932 |
| Trugen Thomas | Other | — | 11 | ~1929 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Elizabeth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 15
Philadelphia, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 25
Philadelphia-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Thomas |
| Given Name | Elizabeth M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 0 |
| 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 Elizabeth Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isaac Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and mother Rebecca Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Thomas
b. ~1878
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Rebecca Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Thomas
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Kathryn Thomas
Sibling · 1940 · age 20
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03694-00476)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ellis Lawrence | 4 | Head | — | Pennsylvania |
| 2 | Rebecca Thomas | 49 | Head | Helper | South Carolina |
| 3 | Elizabeth M Thomas THIS PERSON | 25 | Daughter | New Worker | Pennsylvania |
| 4 | Kathryn Thomas | 20 | Daughter | — | Pennsylvania |
| 5 | Jennie Thomas | 8 | Adopted daughter | — | Pennsylvania |
| 6 | Trugen Velma Thomas | 11 | Adopted daughter | — | Pennsylvania |
| 7 | Frank Ross | 57 | Head | Chemist | Delaware |
| 8 | Sarah Ross | 47 | Wife | — | Delaware |
| 9 | George Ross | 35 | Lodger | Laborer | Georgia |
| 10 | Anna Robinson | 32 | Lodger | Housework | Georgia |
| 11 | Isaac Jefferson | 47 | Head | Jobber | Texas |
| 12 | Stella Jefferson | 53 | Wife | — | Pennsylvania |
| 13 | Cruing Metain | 27 | Head | Laborer | Georgia |
| 14 | Cleo Metain | 27 | Wife | Housework | Georgia |
| 15 | Scholmes Metain | 9 | Son | — | Georgia |
| 16 | Cruing Metain | 7 | Son | — | Georgia |
| 17 | Eva Metain | 4 | Daughter | — | Georgia |
| 18 | Eva Metain | 47 | Mother | — | Georgia |
| 19 | Percy Metain | 49 | Father | Laborer | Georgia |
| 20 | Lattie Metain | 24 | Sister | — | Georgia |
| 21 | Heta Comegys | 48 | Head | Housework | Pennsylvania |
| 22 | William Charles Comegys | 25 | Daughter | Housework | Pennsylvania |
| 23 | Ernest Comegys | 19 | Son | New Worker | Pennsylvania |
| 24 | Walter Comegys | 17 | Son | — | Pennsylvania |
| 25 | Rufus Johnson | 29 | Head | Helper | Virginia |
| 26 | Florence Johnson | 24 | Wife | — | North Carolina |
| 27 | Clementine Johnson | 5 | Daughter | — | Pennsylvania |
| 28 | Joseph Johnson | 3 | Son | — | Pennsylvania |
| 29 | Roberta Johnson | 2 | Daughter | — | Pennsylvania |
| 30 | Nathan Morton | 39 | Head | Laborer | South Carolina |
| 31 | Nella Morton | 37 | Wife | — | South Carolina |
| 32 | Eliza Morton | 18 | Daughter | — | South Carolina |
| 33 | Gildge Morton | 14 | Daughter | — | South Carolina |
| 34 | Nathan Morton | 13 | Son | — | Pennsylvania |
| 35 | Lucy Morton | 10 | Daughter | — | Pennsylvania |
| 36 | Catherine Morton | 9 | Daughter | — | Pennsylvania |
| 37 | Morris Morton | 6 | Son | — | Pennsylvania |
| 38 | Milton Morton | 4 | Son | — | Pennsylvania |
| 39 | William Morton | 2 | Son | — | Pennsylvania |
| 40 | Barbara Ann Morton | 1 | Granddaughter | — | Pennsylvania |
Pedigree Summary
Elizabeth + 1 sibling
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)