JK
John Kovach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fayette, Pennsylvania
Our Model Tree links this John Kovach across the 1910, 1920 and 1930 US Censuses in Fayette, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 4-person household.
Age 43
b. ~1887
Male
Head
Born: Austria
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Fayette, Pennsylvania |
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 33 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Occupation | Driver |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Driver |
| Township / Ward | Grindstone |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Alice Kovach | Spouse | — | 25 | ~1905 |
| Helen Kovach | Daughter | — | 9 | ~1921 |
| Andrew Kovach | Son | — | 4 | ~1926 |
| John Kovach | Head | — | 43 | ~1887 |
Census Appearances
1910
Fayette, Pennsylvania
Other, age 22
Fayette, Pennsylvania · implied b. ~1888 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Austria |
| Year of Immigration | 1902 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Coal mine |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1920
Westmoreland, Pennsylvania
Head, age 33
Westmoreland, Pennsylvania · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1902 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Labor |
| Industry | coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Slovak |
| Home Owned/Rented | R |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Fayette, Pennsylvania
Head, age 43
Fayette, Pennsylvania · implied b. ~1887 — 4 household members
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1903 |
| Age at First Marriage | 33 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Driver |
| Industry | Coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 12 |
| Veteran | No |
| 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 John Kovach across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Kovach
Head · 1930 · age 43 · b. ~1887 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Fayette, Pennsylvania
Open full size
1930 US Federal Census — Fayette, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2040:0088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Woodward | 40 | Head | None | Pennsylvania |
| 52 | Emma Woodward | 20 | Daughter | None | Pennsylvania |
| 53 | Pearl Woodward | 18 | Daughter | None | Pennsylvania |
| 54 | Dominic Caporole | 38 | Head | Coal Loader | Italy |
| 55 | Nicolina Caporole | 27 | Wife | None | Italy |
| 56 | Antoniette Caporole | 8 | Daughter | None | Pennsylvania |
| 57 | Anna Caporole | 2 | Daughter | None | Pennsylvania |
| 58 | Andy Lucoff | 59 | Head | Laborer | Czechoslovakia |
| 59 | Mary Lucoff | 52 | Wife | None | Czechoslovakia |
| 60 | Andy Jr. Lucoff | 22 | Son | Driver | Czechoslovakia |
| 61 | Martin Lucoff | 28 | Son | Postmaster | Czechoslovakia |
| 62 | Steve Lucoff | 23 | Son | Driver | Pennsylvania |
| 63 | Mike Lucoff | 18 | Son | Truck Driver | Pennsylvania |
| 64 | George Bell | 29 | Head | Tiger Man | Pennsylvania |
| 65 | Mary Bell | 24 | Wife | None | Pennsylvania |
| 66 | Pauline Bell | 5 | Daughter | None | Pennsylvania |
| 67 | Mary A. Bell | 3 | Daughter | None | Pennsylvania |
| 68 | Ruth Bell | 1 | Daughter | None | Pennsylvania |
| 69 | Benjamin Hundley | 37 | Head | Cutter | Pennsylvania |
| 70 | Charlotte Hundley | 35 | Wife | None | Pennsylvania |
| 71 | Alice Hundley | 13 | Daughter | None | Pennsylvania |
| 72 | Harry Hundley | 11 | Son | None | Pennsylvania |
| 73 | Donald Hundley | 7 | Son | None | Pennsylvania |
| 74 | Bert Hough | 61 | Father-in-law | Laborer | Pennsylvania |
| 75 | E. C. Clawson | 39 | Head | Laborer | Pennsylvania |
| 76 | Nellie Clawson | 38 | Wife | None | Pennsylvania |
| 77 | Catherine Clawson | 5 | Daughter | None | Pennsylvania |
| 78 | Robert Clawson | 2 | Son | None | Pennsylvania |
| 79 | Huston Balsinger | 32 | Head | Repairman | Pennsylvania |
| 80 | Anna Balsinger | 32 | Wife | None | Scotland |
| 81 | Robert Balsinger | 13 | Son | None | Pennsylvania |
| 82 | Harold Balsinger | 4 | Son | None | Pennsylvania |
| 83 | John Gomolka | 57 | Head | Coal Loader | Poland |
| 84 | Agnes Gomolka | 46 | Wife | None | Poland |
| 85 | Louis Gomolka | 23 | Son | Coal Loader | Pennsylvania |
| 86 | Stella Gomolka | 20 | Daughter | Sales Lady | Pennsylvania |
| 87 | Eddie Gomolka | 17 | Son | Sales Man | Pennsylvania |
| 88 | Victoria Gomolka | 15 | Daughter | None | Pennsylvania |
| 89 | Theodore Gomolka | 10 | Son | None | Pennsylvania |
| 90 | John Kovach THIS PERSON | 43 | Head | Driver | Austria |
| 91 | Alice Kovach | 25 | Wife | None | Austria |
| 92 | Helen Kovach | 9 | Daughter | None | Ohio |
| 93 | Andrew Kovach | 4 | Son | None | Pennsylvania |
| 94 | Charles Foyle | 32 | Head | Cutter | Pennsylvania |
| 95 | Hazel Foyle | 30 | Wife | None | Pennsylvania |
| 96 | Charles Jr. Foyle | 9 | Son | None | Pennsylvania |
| 97 | Robert Foyle | 7 | Son | None | Pennsylvania |
| 98 | Donald Foyle | 4 | Son | None | Pennsylvania |
| 99 | Hazel Foyle | 2 | Daughter | None | Pennsylvania |
| 100 | James Foyle | 1 | Son | None | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)