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Lucy Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Lucy Thomas across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 8-person household.
Age 55
b. ~1885
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Penna |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Phila |
| Est. Birth Year | ~1885 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucy | Age | Birth yr |
|---|---|---|---|---|
| Allan Thomas | Son | — | 4 | ~1936 |
| Mildred Barrett | Other | — | 32 | ~1908 |
| Edward Thomas | Head | — | 53 | ~1887 |
| Ronald Thomas | Son | — | 1 | ~1939 |
| Thomas Thomas | Son | — | 28 | ~1912 |
| Lucy Thomas | Spouse | — | 55 | ~1885 |
| Edward Thomas | Son | — | 21 | ~1919 |
| Marion Barrett | Other | — | 45 | ~1895 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 35
Philadelphia, Pennsylvania · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Philadelphia, Pennsylvania
Other, age 45
Philadelphia, Pennsylvania · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 27 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Houseworker |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 55
Philadelphia-County, Pennsylvania · implied b. ~1885 — 8 household members
| Surname | Thomas |
| Given Name | Lucy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Class of Worker | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Penna |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Lucy 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
Lucy Thomas
Spouse · 1940 · age 55 · b. ~1885 · 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 — 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-t0627-03698-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur Mance | 38 | Head | Chauffeur | S. Carolina |
| 2 | Alberta Mance | 25 | Roomer | Operator | S. Carolina |
| 3 | Alice Mance | 36 | Roomer | Mechanic | S. Carolina |
| 4 | Anna Harris | 20 | Roomer | Presser | S. Carolina |
| 5 | Carrie Veeler | 42 | Roomer | Stripper | S. Carolina |
| 6 | Charlie Coleman | 29 | Roomer | Candy Maker | S. Carolina |
| 7 | Charles Portland | 40 | Head | Longshoreman | Maryland |
| 8 | James Williams | 58 | Roomer | Laborer | N. Carolina |
| 9 | Henry Portland | 25 | Head | Usher | Maryland |
| 10 | Clara Williams | 58 | Head | Cook | N. Carolina |
| 11 | Clio Williams | 17 | Nephew | Book Binder | Virginia |
| 12 | John Mance | 43 | Head | Clerk | S. Carolina |
| 13 | Lula Mance | 20 | Wife | Maid | S. Carolina |
| 14 | John Matthews | 42 | Head | Bag Sewer | Georgia |
| 15 | Marie Matthews | 46 | Wife | Laundress | New York |
| 16 | Geraldine Matthews | 20 | Daughter | — | Phila |
| 17 | Marion Matthews | 18 | Daughter | — | Phila |
| 18 | Josephine Matthews | 16 | Daughter | — | Phila |
| 19 | Jack Green | 38 | Head | Blacksmith Shop | Virginia |
| 20 | Vera Green | 29 | Wife | Seamstress | Virginia |
| 21 | William Green | 49 | Roomer | Driver Truck | Virginia |
| 22 | Royal Jones | 41 | Roomer | Laborer | Penna |
| 23 | Edward Thomas | 53 | Head | Laborer | Maryland |
| 24 | Lucy Thomas THIS PERSON | 55 | Wife | — | Maryland |
| 25 | Marion Barrett | 45 | Roomer | — | Phila |
| 26 | Mildred Barrett | 32 | Roomer | Maid | N. Carolina |
| 27 | Thomas Thomas | 28 | Son | Laborer | S. Carolina |
| 28 | Edward Thomas | 21 | Son | Chauffeur | Phila |
| 29 | Allan Thomas | 4 | Son | — | Phila |
| 30 | Ronald Thomas | 1 | Son | — | Phila |
| 31 | John Herstenbecker | 74 | Head | — | France |
| 32 | Joseph Herstenbecker | 36 | Son | Engineer | Penna |
| 33 | Edith Herstenbecker | 29 | Daughter | Custodian | Penna |
| 34 | James Herstenbecker | 11 | Son | Salesman | Penna |
| 35 | Margaret Herstenbecker | 1 | Daughter | — | Penna |
| 36 | Alfred Swinson | 26 | Head | Porter | New Jersey |
| 37 | Martha Swinson | 22 | Wife | Maid | New Jersey |
| 38 | Joseph King | 42 | Head | Gardner | Maryland |
| 39 | Lillian King | 39 | Wife | Waitress | Virginia |
| 40 | Harriett Harris | 50 | Head | Pastry Cook | Georgia |
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)