RT
Richard Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Richard Thomas across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 13-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1928 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Mayetta Thomas | Daughter | — | 5 | ~1935 |
| Maxine Thomas | Daughter | — | 19 | ~1921 |
| Rosemarie Thomas | Daughter | — | 10 | ~1930 |
| Charlotte Thomas | Daughter | — | 3 | ~1937 |
| Christina Thomas | Daughter | — | 7 | ~1933 |
| George Thomas | Head | — | 47 | ~1893 |
| Robert Thomas | Son | — | 9 | ~1931 |
| Rudolph Thomas | Son | — | 15 | ~1925 |
| Claude Thomas | Son | — | 11 | ~1929 |
| George Thomas | Son | — | 14 | ~1926 |
| Richard Thomas | Son | — | 12 | ~1928 |
| Charles Thomas | Son | — | ~1940 | |
| Estella Thomas | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1928 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 12
Philadelphia-County, Pennsylvania · implied b. ~1928 — 13 household members
| Surname | Thomas |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Richard Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Thomas
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
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Sibling
Charlotte Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rudolph Thomas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claude Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemarie Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mayetta Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Thomas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Christina Thomas
Sibling · 1940 · age 7
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-t0627-03750-00664)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Jenkins | 48 | Brother | Chef | North Carolina |
| 2 | Bertha Rhodes | 16 | Niece | — | New Jersey |
| 3 | Rituma Rhodes | 7 | Niece | — | New Jersey |
| 4 | Moorill Wilson | 26 | Head | Labor | South Carolina |
| 5 | Ballie Grooms | 68 | Head | — | Pennsylvania |
| 6 | Nora Grooms | 30 | Daughter | — | Pennsylvania |
| 7 | Lonelous Rucker | 12 | Son | — | Pennsylvania |
| 8 | Gwendolyn Rucker | 9 | Son | — | Pennsylvania |
| 9 | Lenora Rucker | 6 | Daughter | — | Pennsylvania |
| 10 | Grace Young | 38 | Head | — | Pennsylvania |
| 11 | Wallace Wood | 18 | Son | Porter | Maryland |
| 12 | Edward Williams | 39 | Lodger | Messenger | North Carolina |
| 13 | Daisy Williams | 25 | Wife | House Work | North Carolina |
| 14 | Mary Bouie | 28 | Head | — | South Carolina |
| 15 | Olie Bouie | 9 | Son | — | South Carolina |
| 16 | Kenneth Williams | 42 | Head | File Clerk | Pennsylvania |
| 17 | Stanford Goldsboro | 21 | Son | Labor | Pennsylvania |
| 18 | Emma Harris | 53 | Head | — | Georgia |
| 19 | Lula B. Harris | 25 | Daughter | File Clerk | Georgia |
| 20 | George Thomas | 47 | Head | Labor | Virginia |
| 21 | Estella Thomas | 37 | Wife | — | New Jersey |
| 22 | Maxine Thomas | 19 | Daughter | — | Pennsylvania |
| 23 | Rudolph Thomas | 15 | Son | — | Pennsylvania |
| 24 | George Thomas | 14 | Son | — | Pennsylvania |
| 25 | Richard Thomas THIS PERSON | 12 | Son | — | Pennsylvania |
| 26 | Claude Thomas | 11 | Son | — | Pennsylvania |
| 27 | Rosemarie Thomas | 10 | Daughter | — | Pennsylvania |
| 28 | Robert Thomas | 9 | Son | — | Pennsylvania |
| 29 | Christina Thomas | 7 | Daughter | — | Pennsylvania |
| 30 | Mayetta Thomas | 5 | Daughter | — | Pennsylvania |
| 31 | Charlotte Thomas | 3 | Daughter | — | Pennsylvania |
| 32 | Charles Thomas | 0 | Son | — | Pennsylvania |
| 33 | Thomas Hamilton | 52 | Head | Mechanic | South Carolina |
| 34 | Emma Hamilton | 53 | Wife | Operator | Virginia |
| 35 | Eugene Debuse | 54 | Head | Proprietor | Pennsylvania |
| 36 | Catherine Debuse | 47 | Wife | — | Pennsylvania |
| 37 | Willard B. Debuse | 27 | Son | Stenographer | New Jersey |
| 38 | Elsa K. Debuse | 58 | Sister | School Teacher | Germany |
| 39 | William Witter | 81 | Father-in-law | — | Germany |
| 40 | Catherine Witter | 77 | Wife | — | Germany |
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)