MB
Mary Bauer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Bauer across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 5-person household.
Age 52
b. ~1888
Female
Spouse
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Annamay Bauer | Daughter | — | 21 | ~1919 |
| Joseph Bauer | Head | — | 59 | ~1881 |
| Edward Bauer | Son | — | 27 | ~1913 |
| Elmer Bauer | Son | — | 16 | ~1924 |
| Mary Bauer | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 32
Allegheny, Pennsylvania · implied b. ~1888 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Year of Naturalization | 1910 |
| Birthplace (normalized) | austria |
1930
Allegheny, Pennsylvania
Other, age 42
Allegheny, Pennsylvania · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 19 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Allegheny-County, Pennsylvania
Spouse, age 52
Allegheny-County, Pennsylvania · implied b. ~1888 — 5 household members
| Surname | Bauer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Mary Bauer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bauer
Spouse · 1940 · age 52 · b. ~1888 · 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-03674-00714)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillian Nalippert | 25 | Wife | — | Pennsylvania |
| 42 | Joan Nalippert | 2 | Daughter | — | Pennsylvania |
| 43 | John Eber | 38 | Head | Bookkeeper | Pennsylvania |
| 44 | Catherine Eber | 30 | Wife | — | Pennsylvania |
| 45 | Andrew Eber | 68 | Father | — | Pennsylvania |
| 46 | Reinhold Wilgang | 44 | Head | Labor | Germany |
| 47 | Rosa Wilgang | 36 | Wife | — | Germany |
| 48 | Evelin Wilgang | 5 | Daughter | — | Pennsylvania |
| 49 | Loretta Wilgang | 3 | Daughter | — | Pennsylvania |
| 50 | Barbara Stubert | 87 | Head | — | Pennsylvania |
| 51 | Harry Stubert | 53 | Son | Millright | Pennsylvania |
| 52 | Benjiman Benardi | 65 | Head | Labor | Pennsylvania |
| 53 | Birdice Benardi | 67 | Wife | — | Pennsylvania |
| 54 | Joseph Bauer | 59 | Head | Labor | Austria |
| 55 | Mary Bauer THIS PERSON | 52 | Wife | — | Austria |
| 56 | Edward Bauer | 27 | Son | Packer | Pennsylvania |
| 57 | Annamay Bauer | 21 | Daughter | Wrapper | Pennsylvania |
| 58 | Elmer Bauer | 16 | Son | — | Pennsylvania |
| 61 | Lillian Gutzeit | 38 | Head | Stenographer | Pennsylvania |
| 62 | Rose Gutzeit | 77 | Head | — | Germany |
| 63 | Edward Lang | 43 | Head | — | Pennsylvania |
| 64 | Gertrude Lang | 40 | Wife | — | Pennsylvania |
| 65 | Marion Lang | 19 | Daughter | Ass'T School Teacher | Pennsylvania |
| 66 | Easter Lang | 16 | Daughter | — | Pennsylvania |
| 67 | Lois Lang | 12 | Daughter | — | Pennsylvania |
| 68 | Bertha Heyman | 59 | Mother | — | Germany |
| 69 | Marie Wilhelm | 82 | Sister | — | Germany |
| 71 | Anna Downing | 47 | Head | — | Germany |
| 72 | Elizabeth Downing | 25 | Daughter | Office Clerk | Pennsylvania |
| 73 | William Downing | 20 | Son | Truck Driver | Pennsylvania |
| 74 | Charles Goetz | 42 | Head | Office Clerk | Pennsylvania |
| 75 | Bertha Goetz | 39 | Wife | — | Pennsylvania |
| 76 | Audrey Goetz | 9 | Daughter | — | Pennsylvania |
| 77 | Charles Jr Goetz | 4 | Son | — | Pennsylvania |
| 78 | John Lang | 43 | Head | Ham Curer | Germany |
| 79 | Mary Lang | 38 | Wife | — | Germany |
| 80 | Ruth Lang | 16 | Daughter | — | 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)