MK
Mary Kovach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westmoreland-County, Pennsylvania
Our Model Tree links this Mary Kovach across the 1920, 1930 and 1940 US Censuses in Westmoreland-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 10-person household.
Age 56
b. ~1884
Female
Spouse
Born: Austria
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Westmoreland-County, Pennsylvania |
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Loyalhanna |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Loyalhanna |
| Est. Birth Year | ~1884 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Kovach | Son | — | 30 | ~1910 |
| Alexander Kovach | Head | — | 57 | ~1883 |
| Helen Kovach | Daughter | — | 14 | ~1926 |
| Mary Kovach | Spouse | — | 56 | ~1884 |
| Albert Kovach | Son | — | 21 | ~1919 |
| Frank Kovach | Son | — | 23 | ~1917 |
| Valeria Kovach | Daughter | — | 15 | ~1925 |
| Edward Kovach | Son | — | 19 | ~1921 |
| Helena Kovach | Son | — | 17 | ~1923 |
| Mike Kovach | Son | — | 20 | ~1920 |
Census Appearances
1920
Westmoreland, Pennsylvania
Spouse, age 34
Westmoreland, Pennsylvania · implied b. ~1886 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1900 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Polish |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Westmoreland, Pennsylvania
Spouse, age 45
Westmoreland, Pennsylvania · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Alien |
| Year of Immigration | 1893 |
| Age at First Marriage | 15 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Westmoreland-County, Pennsylvania
Spouse, age 56
Westmoreland-County, Pennsylvania · implied b. ~1884 — 10 household members
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Austria |
| 1935 Residence (City) | Loyalhanna |
| 1935 Residence (County) | Westmoreland |
| Naturalization Status | First papers filed |
| Highest Grade | No 5 |
| 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 Kovach across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kovach
Spouse · 1940 · age 56 · b. ~1884 · 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 — Westmoreland-County, Pennsylvania
Open full size
1940 US Federal Census — Westmoreland-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03629-00502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edw. Sistek | 23 | Son | — | Penna |
| 42 | Janet Marie Sistek | 0 | Daughter | — | Penna |
| 43 | Theodore Pinos | 35 | Head | Grinder | Penna |
| 44 | Ann Pinos | 34 | Wife | — | Penna |
| 45 | Dolores Pinos | 12 | Daughter | — | Penna |
| 46 | Theodore Pinos | 4 | Son | — | Penna |
| 47 | Charles Ray | 56 | Head | Farm Hand | Penna |
| 48 | Jenna Mcwhorter | 67 | Head | — | Penna |
| 49 | George Scott | 73 | Sister | — | Penna |
| 50 | J. Mcwhorter | 47 | Head | Road Foreman | Penna |
| 51 | Jennie Mcwhorter | 45 | Wife | — | Penna |
| 52 | Arabella Mcwhorter | 15 | Daughter | — | Penna |
| 53 | Leo Mcwhorter | 8 | Son | — | Penna |
| 54 | Ida Pinos | 57 | Head | — | Austria |
| 55 | Joe Pinos | 34 | Son | Laborer V.P.A. | Penna |
| 56 | John Pinos | 16 | Son | New Worker | Penna |
| 57 | Betty Pinos | 13 | Daughter | — | Penna |
| 58 | Mary Pinos | 19 | Daughter | Maid | Penna |
| 59 | Stanley Pinos | 36 | Head | Tongman | Penna |
| 60 | Mary Pinos | 24 | Wife | — | Penna |
| 61 | Stanley Jr. Pinos | 7 | Son | — | Penna |
| 62 | Theodore Pinos | 5 | Son | — | Penna |
| 63 | Ronald Pinos | 0 | Son | — | Penna |
| 64 | Alexander Kovach | 57 | Head | — | Austria |
| 65 | Mary Kovach THIS PERSON | 56 | Wife | — | Austria |
| 66 | Joseph Kovach | 30 | Son | Carpenter | Penna |
| 67 | Frank Kovach | 23 | Son | Spring Pressman | Penna |
| 68 | Albert Kovach | 21 | Son | Cement Mixer | Penna |
| 69 | Mike Kovach | 20 | Son | Attendant | Penna |
| 70 | Edward Kovach | 19 | Son | Car Washer | Penna |
| 71 | Helena Kovach | 17 | Son | — | Penna |
| 72 | Valeria Kovach | 15 | Daughter | — | Penna |
| 73 | Helen Kovach | 14 | Daughter | — | Penna |
| 74 | Victor Musick | 34 | Head | Propeller | Penna |
| 75 | Stella Musick | 28 | Wife | — | Penna |
| 76 | Donald Musick | 6 | Son | — | Penna |
| 77 | John Brinker | 37 | Head | Welder | Penna |
| 78 | Hazel Brinker | 32 | Wife | — | Penna |
| 79 | Patricia Brinker | 11 | Daughter | — | Penna |
| 80 | Barry Brinker | 7 | Son | — | Penna |
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)