MH
Mary Herman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Herman across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1879 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Andrew Herman | Head | — | 63 | ~1877 |
| Mary Herman | Spouse | — | 61 | ~1879 |
| Anna Herman | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 38
Allegheny, Pennsylvania · implied b. ~1882 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Germany |
| Father's Birthplace | German |
| Mother's Birthplace | Germany |
| Occupation | Yes |
| Industry | Yes |
| Class of Worker | none |
| Can Read | Germany |
| Can Write | German |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | germany |
1930
Allegheny, Pennsylvania
Spouse, age 48
Allegheny, Pennsylvania · implied b. ~1882 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 15 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Allegheny-County, Pennsylvania
Spouse, age 61
Allegheny-County, Pennsylvania · implied b. ~1879 — 3 household members
| Surname | Herman |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Herman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Herman
Spouse · 1940 · age 61 · b. ~1879 · 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-t0627-03670-00243)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Jr. Siters | 16 | son | — | Pennsylvania |
| 2 | Irene Siters | 14 | daughter | — | Pennsylvania |
| 3 | Edna Siters | 11 | daughter | — | Pennsylvania |
| 4 | Raymond Siters | 9 | son | — | Pennsylvania |
| 5 | Donald Siters | 7 | son | — | Pennsylvania |
| 6 | James Siters | 5 | son | — | Pennsylvania |
| 7 | Bernice Siters | 3 | daughter | — | Pennsylvania |
| 8 | Virginia Siters | 0 | daughter | — | Pennsylvania |
| 9 | Joseph Mckittrick | 26 | Head | Laborer | Ohio |
| 10 | Thelma Mckittrick | 24 | wife | — | Pennsylvania |
| 11 | Donna Mckittrick | 2 | daughter | — | Pennsylvania |
| 12 | Joseph Mckittrick | 0 | son | — | Pennsylvania |
| 13 | Thomas Carnahan | 28 | boarder | — | Pennsylvania |
| 14 | Andrew Herman | 63 | Head | Laborer | Germany |
| 15 | Mary Herman THIS PERSON | 61 | wife | — | Germany |
| 16 | Anna Herman | 33 | daughter | Salesclerk | Pennsylvania |
| 17 | W. Parke | 72 | Head | Contractor | Pennsylvania |
| 18 | Margaret Parke | 63 | wife | — | Pennsylvania |
| 19 | William Sincox | 52 | Head | Furnace Installer | Pennsylvania |
| 20 | Margaret Sincox | 47 | wife | — | Pennsylvania |
| 21 | Chester Sincox | 18 | son | — | Pennsylvania |
| 22 | Calvin Sincox | 14 | son | — | Pennsylvania |
| 23 | Margaret Sincox | 11 | daughter | — | Pennsylvania |
| 24 | William Jr. Sincox | 26 | Head | Furnace Installer | Pennsylvania |
| 25 | Dorothy Sincox | 20 | wife | — | Pennsylvania |
| 26 | Robert Sincox | 4 | son | — | Pennsylvania |
| 27 | Thomas Sincox | 0 | son | — | Pennsylvania |
| 28 | Charles Staples | 49 | Head | Laborer | Virginia |
| 29 | Ruth Staples | 54 | wife | — | Washington D.C. |
| 30 | James Kacy | 28 | Head | — | Scotland |
| 31 | Jessie Kacy | 26 | wife | — | Scotland |
| 32 | Charles Davis | 65 | Head | Laborer | South Carolina |
| 33 | Casey Davis | 60 | wife | — | South Carolina |
| 34 | George B. Hayes | 26 | Head | Gardener | Pennsylvania |
| 35 | Genevieve Hayes | 22 | wife | — | Pennsylvania |
| 36 | Max Kielman | 30 | Head | Shoe Finisher | Pennsylvania |
| 37 | Louise Kielman | 30 | wife | — | Pennsylvania |
| 38 | David Kielman | 2 | son | — | Pennsylvania |
| 39 | Marian Kielman | 0 | daughter | — | Pennsylvania |
| 40 | James Collins | 39 | Head | Chauffeur | 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)