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Thomas Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Thomas Brown across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Joseph & Anna — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Brown |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Pipe Fitter |
| Industry | Westinghouse |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 925 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Pipe Fitter |
| Township / Ward | Chester |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Brown | Daughter | — | 3 | ~1937 |
| Thomas Brown | Head | — | 27 | ~1913 |
| Ilma Brown | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 7
Delaware, Pennsylvania · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 17
Delaware, Pennsylvania · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Head, age 27
Delaware-County, Pennsylvania · implied b. ~1913 — 3 household members
| Surname | Brown |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Pipe Fitter |
| Industry | Westinghouse |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 925 |
| Highest Grade | No 8 |
| 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 Thomas Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Brown (~0.92 confidence) and mother Anna Brown (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Brown
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Brown
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Brown
Head · 1940 · age 27 · b. ~1913 · 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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03487-00565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary J Reeser | 62 | Wife | — | Pennsylvania |
| 2 | Margaret Reeser | 36 | Daughter | Typist | Pennsylvania |
| 3 | John Reeser | 11 | Son | — | Pennsylvania |
| 4 | Percy Reeser | 10 | Son | — | Pennsylvania |
| 5 | Leroy D Garrett | 42 | Head | Maintenance Fitter | Illinois |
| 6 | Viola Garrett | 42 | Wife | — | New Jersey |
| 7 | Dorothy Garrett | 23 | Daughter | Sales Clerk | Pennsylvania |
| 8 | Leroy Jr Garrett | 21 | Son | Ship Fitter Helper | Pennsylvania |
| 9 | Amy Garrett | 16 | Daughter | — | Pennsylvania |
| 10 | John Robertson | 59 | Head | Clerk | Scotland |
| 11 | Margaret Robertson | 59 | Wife | — | Scotland |
| 12 | Robert Robertson | 24 | Son | Jett | Massachusetts |
| 13 | Douglas Robertson | 20 | Son | — | Massachusetts |
| 14 | Thomas Brown THIS PERSON | 27 | Head | Pipe Fitter | Pennsylvania |
| 15 | Ilma Brown | 27 | Wife | — | New Jersey |
| 16 | Phyllis C Brown | 3 | Daughter | — | Pennsylvania |
| 17 | Ernest Howard | 34 | Head | Ship Builder | Maryland |
| 18 | Maxine Howard | 26 | Wife | — | Pennsylvania |
| 19 | Robert Howard | 7 | Son | — | New Jersey |
| 20 | Regina Gaggins | 21 | Sister in law | Sealer | England |
| 21 | William Gaggins | 9 | Nephew | — | Pennsylvania |
| 22 | Raymond H Mclaughlin | 40 | Head | Clerk | Pennsylvania |
| 23 | Isabell P Mclaughlin | 36 | Wife | Beer | Pennsylvania |
| 24 | Raymond Mclaughlin | 15 | Son | — | Pennsylvania |
| 25 | James L Mclaughlin | 8 | Son | — | Pennsylvania |
| 26 | Lois A Mclaughlin | 5 | Daughter | — | Pennsylvania |
| 27 | Leona C Mclaughlin | 72 | Mother | — | Pennsylvania |
| 28 | William Ketting | 52 | Head | Carpenter | Delaware |
| 29 | Arlene Ketting | 40 | Wife | — | Pennsylvania |
| 30 | Dizie Dryden | 41 | Head | Electrician | Maryland |
| 31 | Elizabeth Dryden | 35 | Wife | — | Pennsylvania |
| 32 | Robert Dryden | 18 | Son | — | Pennsylvania |
| 33 | Mary Dryden | 17 | Daughter | — | Pennsylvania |
| 34 | Virginia Dryden | 14 | Daughter | — | Pennsylvania |
| 35 | Addie J Dryden | 12 | Son | — | Pennsylvania |
| 36 | Earl Young | 46 | Head | Safety Inspector | Delaware |
| 37 | Elizabeth Young | 42 | Wife | — | Pennsylvania |
| 38 | John D Mawha | 58 | Head | Foreman | Pennsylvania |
| 39 | Emily Mawha | 45 | Wife | — | New Jersey |
| 40 | Earl Mawha | 20 | Daughter | Comptometer | New Jersey |
Pedigree Summary
Thomas
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)