TB
Thelma Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Thelma Brown across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Clara & Samuel — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Brown |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Clerk |
| Industry | Wholesale Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1917 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Brown | Daughter | — | 23 | ~1917 |
| Samuel Brown | Head | — | 51 | ~1889 |
| William Brown | Son | — | 26 | ~1914 |
| Jack Brown | Son | — | 22 | ~1918 |
| Clara Brown | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thelma |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Other, age 12
Philadelphia, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thelma |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Russia |
| Mother's Birthplace | Polish Russia |
| Occupation | Wiring |
| Industry | Electrical |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Brown |
| Given Name | Thelma |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Clerk |
| Industry | Wholesale Candy |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 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 Thelma Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Clara Brown (~0.92 confidence) and father Samuel Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Clara Brown
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Samuel Brown
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Thelma Brown
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
William Brown
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Brown
Sibling · 1940 · age 22
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-t0627-03749-00241)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys Mckeale | 15 | daughter | — | Pennsylvania |
| 42 | Ruth Mckeale | 14 | daughter | — | Pennsylvania |
| 43 | Ethel Mckeale | 13 | daughter | — | Pennsylvania |
| 44 | Lloyd Jordan | 22 | lodger | Laborer | Pennsylvania |
| 45 | Mildred Jordan | 23 | lodger | — | Pennsylvania |
| 46 | William Jordan | 1 | lodger | — | Pennsylvania |
| 47 | Samuel Brown | 51 | head | Tailor | Russia |
| 48 | Clara Brown | 53 | wife | — | Russia |
| 49 | William Brown | 26 | son | — | Pennsylvania |
| 50 | Thelma Brown THIS PERSON | 23 | daughter | Clerk | Pennsylvania |
| 51 | Jack Brown | 22 | son | — | Pennsylvania |
| 52 | Charles Flounders | 25 | head | Doctor | Pennsylvania |
| 53 | Helen Trecompentier | 48 | head | Laborer | Pennsylvania |
| 54 | Alphonse Trecompentier | 14 | son | — | Pennsylvania |
| 55 | William Jordan | 47 | head | Clerk | Pennsylvania |
| 56 | Margaret Jordan | 45 | wife | Fabric Worker | Pennsylvania |
| 57 | Margaret Jordan | 23 | daughter | Sewer | Pennsylvania |
| 58 | Joseph Holt | 36 | head | Maintenance | Pennsylvania |
| 59 | Helen Holt | 33 | wife | — | Pennsylvania |
| 60 | Joseph Jr. Holt | 9 | son | — | Pennsylvania |
| 61 | Doris Holt | 8 | daughter | — | Pennsylvania |
| 62 | Marion Holt | 53 | mother | — | Pennsylvania |
| 63 | Hattie Craig | 52 | mother-in-law | Saleswoman | Pennsylvania |
| 64 | Oscar M. Bradbury | 79 | head | — | Pennsylvania |
| 65 | Howard Bradbury | 51 | son | Draftsman | Pennsylvania |
| 66 | Martha Deery | 66 | servant | Housekeeper | Pennsylvania |
| 67 | Charles J. Lake | 52 | head | Engineer | Minnesota |
| 68 | Alleda J. Lake | 46 | wife | — | Maryland |
| 69 | Charles H. Lake | 17 | son | — | Pennsylvania |
| 70 | Richard R. Lake | 12 | son | — | Pennsylvania |
| 71 | Lois Marie Lake | 9 | daughter | — | Pennsylvania |
| 72 | James Mckee | 48 | head | Fireman | Pennsylvania |
| 73 | Ellen Mckee | 47 | wife | — | Pennsylvania |
| 74 | James Jr. Mckee | 22 | son | Paper Maker | Pennsylvania |
| 75 | Marie Mckee | 20 | daughter | Operator | Pennsylvania |
| 76 | John Mckee | 17 | son | — | Pennsylvania |
| 77 | Arthur Heckman | 56 | head | Salesman | Pennsylvania |
| 78 | Mary Heckman | 56 | wife | — | Pennsylvania |
| 79 | Harold Heckman | 34 | son | Auto Mechanic | Pennsylvania |
| 80 | Paul Heckman | 15 | son | — | Pennsylvania |
Pedigree Summary
Thelma + 2 siblings
Gen 1 · 2 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)