MS
Mary Simon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Mary Simon across the 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 9-person household.
Age 50
b. ~1890
Female
Spouse
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Monessen |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | Alien |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same house |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Monessen |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Zue Simon | Daughter | — | 25 | ~1915 |
| Helen Simon | Daughter | — | 17 | ~1923 |
| Margaret Simon | Daughter | — | 11 | ~1929 |
| Mary Simon | Spouse | — | 50 | ~1890 |
| Theresa Simon | Daughter | — | 20 | ~1920 |
| Anna Simon | Daughter | — | 23 | ~1917 |
| Charles Simon | Head | — | 55 | ~1885 |
| Adam Simon | Son | — | 24 | ~1916 |
| Elizabeth Simon | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 41
Allegheny, Pennsylvania · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Alien |
| Year of Immigration | 1912 |
| Age at First Marriage | 20 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Westmoreland-County, Pennsylvania
Spouse, age 50
Westmoreland-County, Pennsylvania · implied b. ~1890 — 9 household members
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Monessen |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | Alien |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | 0 |
| 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 Simon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Simon
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 — Westmoreland-County, Pennsylvania
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1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03633-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Dubinsky | 42 | Wife | — | Pennsylvania |
| 2 | John F. Dubinsky | 23 | Son | Laborer | Pennsylvania |
| 3 | Joe Dubinsky | 21 | Son | Laborer | Pennsylvania |
| 4 | Edward Dubinsky | 18 | Son | — | Pennsylvania |
| 5 | Betty Dubinsky | 16 | Daughter | — | Pennsylvania |
| 6 | William Dubinsky | 14 | Son | — | Pennsylvania |
| 7 | John Pohlot | 31 | Head | Laborer | New Jersey |
| 8 | Anne Pohlot | 23 | Wife | — | Pennsylvania |
| 9 | Jean Pohlot | 3 | Daughter | — | Pennsylvania |
| 10 | Michael Pohlot | 56 | Head | Repairman | Austria |
| 11 | Helen Pohlot | 55 | Wife | — | Austria |
| 12 | Michael Pohlot | 15 | Son | — | Pennsylvania |
| 13 | Patricia Pohlot | 10 | Daughter | — | Pennsylvania |
| 14 | Michael Owoiany | 61 | Head | Laborer | Poland |
| 15 | Frances Owoiany | 21 | Wife | Nursemaid | Pennsylvania |
| 16 | Helen Owoiany | 19 | Daughter | — | Pennsylvania |
| 17 | John Owoiany | 12 | Son | — | Pennsylvania |
| 18 | John H. Brown | 26 | Head | Laborer | Pennsylvania |
| 19 | Jean Brown | 19 | Wife | — | Pennsylvania |
| 20 | John L. Brown | 1 | Son | 0 | Pennsylvania |
| 21 | Louis Auriso | 42 | Head | Laborer | Italy |
| 22 | Rose Auriso | 33 | Wife | — | Italy |
| 23 | Josephine Auriso | 4 | Daughter | 0 | Pennsylvania |
| 24 | Patsy Machione | 33 | Head | Pipe Fitter | Pennsylvania |
| 25 | Anna Machione | 28 | Wife | — | Pennsylvania |
| 26 | Patsy Machione | 5 | Son | — | Pennsylvania |
| 27 | John Machione | 2 | Son | 0 | Pennsylvania |
| 28 | Nicholas Manka | 61 | Head | Wiredrawer | Austria |
| 29 | Helen Manka | 23 | Daughter | — | Pennsylvania |
| 30 | Charles Simon | 55 | Head | Truck Driver | Austria |
| 31 | Mary Simon THIS PERSON | 50 | Wife | — | Austria |
| 32 | Zue Simon | 25 | Daughter | Janitress | Pennsylvania |
| 33 | Adam Simon | 24 | Son | Chipper | Pennsylvania |
| 34 | Anna Simon | 23 | Daughter | Janitress | Pennsylvania |
| 35 | Theresa Simon | 20 | Daughter | — | Pennsylvania |
| 36 | Helen Simon | 17 | Daughter | Sales Clerk | Pennsylvania |
| 37 | Elizabeth Simon | 16 | Daughter | — | Pennsylvania |
| 38 | Margaret Simon | 11 | Daughter | — | Pennsylvania |
| 39 | Stephan Seydor | 28 | Head | Machinist Helper | Pennsylvania |
| 40 | Walter Seydor | 16 | Brother | — | 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)