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Mary Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this Mary Mayer across the 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 9-person household.
Age 53
b. ~1887
Female
Spouse
Born: Czechoslovakia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Mayer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | North Vandergrift |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
| Township / Ward | North Vandergrift |
| Est. Birth Year | ~1887 |
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 |
|---|---|---|---|---|
| Anna Kunkle | Daughter | — | 28 | ~1912 |
| Martha Mayer | Daughter | — | 12 | ~1928 |
| Olga Mayer | Daughter | — | 19 | ~1921 |
| Eva Mayer | Daughter | — | 21 | ~1919 |
| Andrew Mayer | Head | — | 61 | ~1879 |
| Ivan Kunkle | Other | — | 3 | ~1937 |
| Mike Mayer | Son | — | 14 | ~1926 |
| Adam Mayer | Son | — | 20 | ~1920 |
| Mary Mayer | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Armstrong, Pennsylvania
Other, age 43
Armstrong, Pennsylvania · implied b. ~1887 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 21 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
1940
Armstrong-County, Pennsylvania
Spouse, age 53
Armstrong-County, Pennsylvania · implied b. ~1887 — 9 household members
| Surname | Mayer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | North Vandergrift |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
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 Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mayer
Spouse · 1940 · age 53 · b. ~1887 · 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 — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03424-00296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Stern | 39 | Head | Laborer | Virginia |
| 42 | Arzetta Green | 19 | Boarder | Laundress | Pennsylvania |
| 43 | Joseph Berry | 29 | Boarder | Truck Driver | Alabama |
| 44 | Cherrie Taylor | 43 | Boarder | Janitor | North Carolina |
| 45 | George Nicholas | 60 | Head | Laborer | Greece |
| 46 | Samuel Cope | 20 | Roomer | Loader | Pennsylvania |
| 47 | Frank Hess | 38 | Roomer | Loader | Pennsylvania |
| 48 | Joseph Dinga | 54 | Head | Laborer | Czechoslovakia |
| 49 | Agnes Dinga | 48 | Wife | — | Czechoslovakia |
| 50 | Mary Dinga | 21 | Daughter | Secretary | Pennsylvania |
| 51 | John William Dinga | 19 | Son | New Worker | Pennsylvania |
| 52 | Joseph Paul Dinga | 18 | Son | New Worker | Pennsylvania |
| 53 | Stephen Thomas Dinga | 9 | Son | — | Pennsylvania |
| 54 | Theresa Dinga | 7 | Daughter | — | Pennsylvania |
| 55 | Andrew Mayer | 61 | Head | — | Czechoslovakia |
| 56 | Mary Mayer THIS PERSON | 53 | Wife | — | Czechoslovakia |
| 57 | Eva Mayer | 21 | Daughter | Typist | Pennsylvania |
| 58 | Olga Mayer | 19 | Daughter | — | Pennsylvania |
| 59 | Adam Mayer | 20 | Son | — | Pennsylvania |
| 60 | Mike Mayer | 14 | Son | — | Pennsylvania |
| 61 | Martha Mayer | 12 | Daughter | — | Pennsylvania |
| 62 | Anna Kunkle | 28 | Daughter | Nurse | Pennsylvania |
| 63 | Ivan Kunkle | 3 | Grandson | — | Pennsylvania |
| 64 | William F. Varos | 34 | Head | Manager | Pennsylvania |
| 65 | Anna Varos | 29 | Wife | — | Pennsylvania |
| 66 | Billie Varos | 11 | Son | — | Pennsylvania |
| 67 | Robert Varos | 7 | Son | — | Pennsylvania |
| 68 | Patricia Ann Varos | 3 | Daughter | — | Pennsylvania |
| 69 | William Minig | 43 | Head | Laborer | Alabama |
| 70 | Myrtle Parker | 38 | Housekeeper | Housekeeper | Pennsylvania |
| 71 | John Kutrumbos | 48 | Head | Matcher | Greece |
| 72 | Kenneth Earley | 32 | Head | Second Helper | Pennsylvania |
| 73 | Beatrice Earley | 34 | Wife | — | Pennsylvania |
| 74 | Phyllis Earley | 2 | Daughter | — | Pennsylvania |
| 75 | Howard Earley | 30 | Brother | Bartender | Pennsylvania |
| 76 | Stephen J. Hlincik | 53 | Head | Second Helper Open Hearth | Slovakia |
| 77 | Carolina M. Hlincik | 52 | Wife | — | Slovakia |
| 78 | Gertrude Hlincik | 24 | Daughter | Housework | Pennsylvania |
| 79 | Bonaventure Hlincik | 23 | Son | Annealer | Pennsylvania |
| 80 | Pearl Hlincik | 20 | Daughter | Clerk | 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)