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Leroy Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Leroy Brown across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1925 |
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 Leroy | Age | Birth yr |
|---|---|---|---|---|
| Ruth Brown | Daughter | — | 10 | ~1930 |
| Dorothy Brown | Daughter | — | 15 | ~1925 |
| Robert Brown | Head | — | 43 | ~1897 |
| Leroy Brown | Son | — | 15 | ~1925 |
| Gilbert Brown | Son | — | 19 | ~1921 |
| Edward Brown | Son | — | 21 | ~1919 |
| Geraldine Brown | Daughter | — | 16 | ~1924 |
| Bessie Brown | Spouse | — | 42 | ~1898 |
| Mabel Brown | Daughter | — | 7 | ~1933 |
| James Brown | Son | — | 19 | ~1921 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 15
Allegheny-County, Pennsylvania · implied b. ~1925 — 10 household members
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Industry | 0 |
| Highest Grade | H 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 Leroy Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Brown
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
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Sibling
Edward Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Brown
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brown
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Brown
Sibling · 1940 · age 16
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-03655-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Joseph Trushkowski | 27 | Head | Truck Driver | Pennsylvania |
| 3 | Agnes Trushkowski | 28 | Wife | — | Pennsylvania |
| 4 | Joseph Trushkowski | 5 | Son | — | Pennsylvania |
| 5 | Richard Trushkowski | 3 | Son | — | Pennsylvania |
| 6 | Sidney Kelly | 26 | Head | Crane Man | Pennsylvania |
| 7 | Alma Kelly | 24 | Wife | — | Pennsylvania |
| 8 | John Kalty | 50 | Head | Proprietor | Pennsylvania |
| 9 | Elizabeth Kalty | 43 | Wife | — | Pennsylvania |
| 10 | Mary Kalty | 7 | Daughter | — | Pennsylvania |
| 12 | William Smith | 48 | Head | Laborer | Pennsylvania |
| 13 | Elizabeth Smith | 38 | Wife | — | New York |
| 14 | James Anderson | 26 | Head | Laborer | Alabama |
| 15 | Bessie Anderson | 24 | Wife | — | Pennsylvania |
| 16 | Arthur Anderson | 6 | Son | — | Pennsylvania |
| 17 | James Anderson | 5 | Son | — | Pennsylvania |
| 18 | Lois Anderson | 3 | Daughter | — | Pennsylvania |
| 19 | Robert Brown | 43 | Head | Waiter | Alabama |
| 20 | Bessie Brown | 42 | Wife | — | Alabama |
| 21 | Edward Brown | 21 | Son | Loader | South Carolina |
| 22 | Gilbert Brown | 19 | Son | Mill Worker | South Carolina |
| 23 | James Brown | 19 | Son | Cleaner | Pennsylvania |
| 24 | Geraldine Brown | 16 | Daughter | — | Pennsylvania |
| 25 | Leroy Brown THIS PERSON | 15 | Son | — | Pennsylvania |
| 26 | Dorothy Brown | 15 | Daughter | — | Pennsylvania |
| 27 | Ruth Brown | 10 | Daughter | — | Pennsylvania |
| 28 | Mabel Brown | 7 | Daughter | — | Pennsylvania |
| 29 | Leo Stempkowski | 44 | Head | Moulder | Pennsylvania |
| 30 | Frances Stempkowski | 41 | Wife | — | Pennsylvania |
| 31 | Anna Stempkowski | 18 | Daughter | Mill Worker | Pennsylvania |
| 32 | Leonard Stempkowski | 15 | Son | — | Pennsylvania |
| 33 | Richard Stempkowski | 4 | Son | — | Pennsylvania |
| 35 | August Haring | 50 | Head | Auto Mechanic | Pennsylvania |
| 37 | Edward Sutton | 41 | Head | Laborer | Pennsylvania |
| 38 | Cora Sutton | 67 | Mother | — | New York |
| 39 | Edward Cieszynski | 27 | Head | Coremaker | Pennsylvania |
| 40 | Helen Cieszynski | 28 | Wife | — | Pennsylvania |
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)