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Marion Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Marion Thomas across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1904), then head of a 10-person household.
Age 36
b. ~1904
Female
Daughter
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Phila |
| Est. Birth Year | ~1904 |
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 Marion | Age | Birth yr |
|---|---|---|---|---|
| Marion Thomas | Daughter | — | 36 | ~1904 |
| Paul Thomas | Other | — | ~1940 | |
| Mary Barnes | Spouse | — | 57 | ~1883 |
| Duke Barnes | Daughter | — | 31 | ~1909 |
| Stephen Thomas | Other | — | 8 | ~1932 |
| Lawrence Thomas | Other | — | 12 | ~1928 |
| Edith Barnes | Daughter | — | 18 | ~1922 |
| Kathryn Barnes | Daughter | — | 24 | ~1916 |
| Robert Barnes | Son | — | 20 | ~1920 |
| Harry Barnes | Head | — | 61 | ~1879 |
Census Appearances
1930
Philadelphia, Pennsylvania
Daughter, age 26
Philadelphia, Pennsylvania · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Stenographer |
| Industry | Insurance Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 36
Philadelphia-County, Pennsylvania · implied b. ~1904 — 10 household members
| Surname | Thomas |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Marion Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marion Thomas
Daughter · 1940 · age 36 · b. ~1904 · Pennsylvania
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Sibling
Kathryn Barnes
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Barnes
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duke Barnes
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Barnes
Sibling · 1940 · age 18
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-t0627-03720-00437)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Melvin Smith | 1 | Son | — | Pennsylvania |
| 42 | Harry A Kolman | 46 | Head | Manager | Russia |
| 43 | Mary Kolman | 44 | Wife | — | Russia |
| 44 | Raymond Wilson | 21 | Head | Shipper | Pennsylvania |
| 45 | Mary Wilson | 20 | Wife | Stenographer | Pennsylvania |
| 46 | George Lanigan | 28 | Head | Caddy | Pennsylvania |
| 47 | Alfreda Lanigan | 27 | Wife | File Clerk | Pennsylvania |
| 48 | Samuel Huskey | 52 | Head | Cabinet Maker | Russia |
| 49 | Clara Huskey | 45 | Wife | — | Russia |
| 50 | Morton Huskey | 11 | Son | — | Pennsylvania |
| 51 | Stuart Anderer | 39 | Head | Leather Worker | Pennsylvania |
| 52 | Helen Anderer | 34 | Wife | — | Pennsylvania |
| 53 | Edward Anderer | 13 | Son | — | Pennsylvania |
| 54 | Robert Anderer | 11 | Son | — | Pennsylvania |
| 55 | Mary Anderer | 5 | Daughter | — | Pennsylvania |
| 56 | Harry J. Barnes | 61 | Head | Foreman | Pennsylvania |
| 57 | Mary Barnes | 57 | Wife | — | Pennsylvania |
| 58 | Duke Barnes | 31 | Daughter | Domestic | Pennsylvania |
| 59 | Kathryn Barnes | 24 | Daughter | Coater | Pennsylvania |
| 60 | Robert Barnes | 20 | Son | New Worker | Pennsylvania |
| 61 | Edith Barnes | 18 | Daughter | Trimmer | Pennsylvania |
| 62 | Marion Thomas THIS PERSON | 36 | Daughter | — | Pennsylvania |
| 63 | Lawrence Thomas | 12 | Grandson | — | Pennsylvania |
| 64 | Stephen Thomas | 8 | Grandson | — | Pennsylvania |
| 65 | Paul Thomas | 0 | Grandson | — | Pennsylvania |
| 66 | Jacob Scholder | 80 | Head | Own Shop | Germany |
| 67 | William Scholder | 45 | Son | Carpenter | Germany |
| 68 | Michael Buhler | 41 | Head | Tally Maker | Pennsylvania |
| 69 | Mildred Buhler | 40 | Wife | — | Pennsylvania |
| 70 | Jacqueline Buhler | 2 | Daughter | — | Pennsylvania |
| 71 | Edward Buhler | 4 | Son | — | New York |
| 72 | Harry Grote | 20 | Son in Law | Press Operator | Pennsylvania |
| 73 | Alice Grote | 17 | Daughter | — | Pennsylvania |
| 74 | Mildred Grote | 0 | Granddaughter | — | Pennsylvania |
| 75 | Charles Keil | 31 | Boarder | Concrete Mixer | Pennsylvania |
| 76 | Elsie Thompson | 40 | Boarder | Painter | Pennsylvania |
| 77 | Elizabeth Malloy | 40 | Head | Coater | Pennsylvania |
| 78 | Sarah Malloy | 15 | Daughter | — | Pennsylvania |
| 79 | Rose Malloy | 10 | Daughter | — | Pennsylvania |
| 80 | Frank Wolongaluk | 49 | Head | Baker | Austria |
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)