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Bertha Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Bertha Brown across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Brown |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1890 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Rosalia Brown | Daughter | — | 28 | ~1912 |
| Edward Brown | Head | — | 56 | ~1884 |
| Edward Brown | Son | — | 22 | ~1918 |
| Bertha Brown | Spouse | — | 50 | ~1890 |
| Ruth Brown | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 30
Allegheny, Pennsylvania · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Bertha |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Spouse, age 41
Allegheny, Pennsylvania · implied b. ~1889 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 18 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 50
Allegheny-County, Pennsylvania · implied b. ~1890 — 5 household members
| Surname | Brown |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 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 Bertha Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Brown
Spouse · 1940 · age 50 · b. ~1890 · Pennsylvania
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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
40 people indexed on this census page (nara:1940:m-t0627-03665-00555)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claire Meyers | 39 | Wife | — | Pennsylvania |
| 42 | Howard Jr. Meyers | 15 | Son | — | Pennsylvania |
| 43 | Verna Meyers | 11 | Daughter | — | Pennsylvania |
| 44 | Marie Waigand | 26 | Niece | Bookkeeper | Pennsylvania |
| 45 | Bertha Waigand | 23 | Niece | — | Pennsylvania |
| 46 | John Mages | 24 | Head | Mixer | Pennsylvania |
| 47 | Rita Mages | 22 | Wife | — | Pennsylvania |
| 48 | Judith A. Mages | 1 | Daughter | — | Pennsylvania |
| 49 | Frank Lehnert | 53 | Head | Bottler | Germany |
| 50 | Josephine Lehnert | 56 | Wife | — | Germany |
| 51 | Frank G. Jr. Lehnert | 24 | Son | Bottler | Pennsylvania |
| 52 | Edward Schuler | 26 | Lodger | Baker | Pennsylvania |
| 53 | Edward Wertman | 33 | Head | Truck Driver | Pennsylvania |
| 54 | Mary Wertman | 32 | Wife | Pantry Wrapper | Pennsylvania |
| 55 | Edward Jr. Wertman | 12 | Son | — | Pennsylvania |
| 56 | Joseph Eckl | 56 | Head | Machinist | Germany |
| 57 | Theresa Eckl | 60 | Wife | — | Germany |
| 58 | John Plecher | 32 | Head | Butcher | Germany |
| 59 | Mary Plecher | 30 | Wife | — | Germany |
| 60 | Joseph Plecher | 12 | Son | — | Pennsylvania |
| 61 | Mary J. Plecher | 7 | Daughter | — | Pennsylvania |
| 62 | Helen J. Plecher | 6 | Daughter | — | Pennsylvania |
| 63 | Frank Litfin | 34 | Head | Baker | Germany |
| 64 | Justine Litfin | 27 | Wife | Sales Clerk | Germany |
| 65 | Edward Sr. Brown | 56 | Head | — | Pennsylvania |
| 66 | Bertha Brown THIS PERSON | 50 | Wife | — | Pennsylvania |
| 67 | Rosalia Brown | 28 | Daughter | Stenographer | Pennsylvania |
| 68 | Edward Jr. Brown | 22 | Son | Labor | Pennsylvania |
| 69 | Ruth Brown | 22 | Wife | — | Pennsylvania |
| 70 | Henry Evans | 62 | Head | Tax Clerk | Pennsylvania |
| 71 | Mildred Evans | 38 | Daughter | Teacher | Pennsylvania |
| 72 | Marian Hennessy | 25 | Daughter | — | Pennsylvania |
| 73 | Robert Hennessy | 1 | Husband | — | Pennsylvania |
| 74 | Sandra Hennessy | 6 | Grand Daughter | — | Pennsylvania |
| 75 | Marna Hennessy | 4 | Grand Daughter | — | Pennsylvania |
| 76 | Evan Jones | 70 | Head | — | Pennsylvania |
| 77 | Louise Jones | 65 | Wife | — | Pennsylvania |
| 78 | Barbara Nelson | 61 | Head | — | Pennsylvania |
| 79 | Grace V. Nelson | 24 | Daughter | Stenographer | Pennsylvania |
| 80 | Richard Farnachet | 4 | Lodger | — | 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)