MK
Mary Kovach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Luzerne, Pennsylvania
Our Model Tree links this Mary Kovach across the 1920 and 1930 US Censuses in Luzerne, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 13-person household.
Age 38
b. ~1892
Female
Spouse
Born: Austria
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Luzerne, Pennsylvania |
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 18 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Township / Ward | Wilkesbarre Township |
| Est. Birth Year | ~1892 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Kovach | Daughter | — | 8 | ~1922 |
| Mary Kovach | Spouse | — | 38 | ~1892 |
| Margaret Kovach | Daughter | — | 10 | ~1920 |
| Helen Kovach | Daughter | — | 12 | ~1918 |
| Mary Kovach | Daughter | — | 18 | ~1912 |
| Joseph Kovach | Son | — | ~1930 | |
| Peter Kovach | Head | — | 42 | ~1888 |
| Agnes Kovach | Daughter | — | 2 | ~1928 |
| Irene Kovach | Daughter | — | 4 | ~1926 |
| Anna Kovach | Daughter | — | 16 | ~1914 |
| Paul Kovach | Son | — | 1 | ~1929 |
| Verna Kovach | Daughter | — | 6 | ~1924 |
| John Kovach | Son | — | 14 | ~1916 |
Census Appearances
1920
Luzerne, Pennsylvania
Spouse, age 30
Luzerne, Pennsylvania · implied b. ~1890 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Austria |
| Year of Immigration | 1907 |
| Naturalization Status | Alien |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Slovak |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1930
Luzerne, Pennsylvania
Spouse, age 38
Luzerne, Pennsylvania · implied b. ~1892 — 13 household members
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 18 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| 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 2 US Census years (1920 and 1930) in Luzerne, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Kovach
Spouse · 1930 · age 38 · b. ~1892 · 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 — Luzerne, Pennsylvania
Open full size
1930 US Federal Census — Luzerne, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2059:1113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Peter Kovach | 42 | Head | Laborer | Austria |
| 52 | Mary Kovach THIS PERSON | 38 | Wife | — | Austria |
| 53 | Mary Kovach | 18 | Daughter | Servant | Pennsylvania |
| 54 | Anna Kovach | 16 | Daughter | — | Pennsylvania |
| 55 | John Kovach | 14 | Son | — | Pennsylvania |
| 56 | Helen Kovach | 12 | Daughter | — | Pennsylvania |
| 57 | Margaret Kovach | 10 | Daughter | — | Pennsylvania |
| 58 | Elizabeth Kovach | 8 | Daughter | — | Pennsylvania |
| 59 | Verna Kovach | 6 | Daughter | — | Pennsylvania |
| 60 | Irene Kovach | 4 | Daughter | — | Pennsylvania |
| 61 | Agnes Kovach | 2 | Daughter | — | Pennsylvania |
| 62 | Paul Kovach | 1 | Son | — | Pennsylvania |
| 63 | Joseph Kovach | 0 | Son | — | Pennsylvania |
| 64 | John Karamark | 38 | Head | Laborer | Austria |
| 65 | Mary Karamark | 32 | Wife | — | Austria |
| 66 | John Karamark | 14 | Son | — | Pennsylvania |
| 67 | Mary Karamark | 12 | Daughter | — | Pennsylvania |
| 68 | Helen Karamark | 10 | Daughter | — | Pennsylvania |
| 69 | Anna Karamark | 8 | Daughter | — | Pennsylvania |
| 70 | Margaret Karamark | 6 | Daughter | — | Pennsylvania |
| 71 | Elizabeth Karamark | 4 | Daughter | — | Pennsylvania |
| 72 | Verna Karamark | 2 | Daughter | — | Pennsylvania |
| 73 | Agnes Karamark | 0 | Daughter | — | Pennsylvania |
| 74 | John Dunskey | 42 | Head | Laborer | Poland |
| 75 | Mary Dunskey | 38 | Wife | — | Poland |
| 76 | John Dunskey | 18 | Son | Laborer | Pennsylvania |
| 77 | Mary Dunskey | 16 | Daughter | — | Pennsylvania |
| 78 | Helen Dunskey | 14 | Daughter | — | Pennsylvania |
| 79 | Anna Dunskey | 12 | Daughter | — | Pennsylvania |
| 80 | Margaret Dunskey | 10 | Daughter | — | Pennsylvania |
| 81 | Elizabeth Dunskey | 8 | Daughter | — | Pennsylvania |
| 82 | Verna Dunskey | 6 | Daughter | — | Pennsylvania |
| 83 | Agnes Dunskey | 4 | Daughter | — | Pennsylvania |
| 84 | Joseph Dunskey | 2 | Son | — | Pennsylvania |
| 85 | Paul Dunskey | 0 | Son | — | Pennsylvania |
| 86 | Paul Klim | 48 | Head | Laborer | Poland |
| 87 | Mary Klim | 42 | Wife | — | Poland |
| 88 | John Klim | 18 | Son | Laborer | Pennsylvania |
| 89 | Mary Klim | 16 | Daughter | — | Pennsylvania |
| 90 | Helen Klim | 14 | Daughter | — | Pennsylvania |
| 91 | Anna Klim | 12 | Daughter | — | Pennsylvania |
| 92 | Margaret Klim | 10 | Daughter | — | Pennsylvania |
| 93 | Elizabeth Klim | 8 | Daughter | — | Pennsylvania |
| 94 | Verna Klim | 6 | Daughter | — | Pennsylvania |
| 95 | Agnes Klim | 4 | Daughter | — | Pennsylvania |
| 96 | Joseph Klim | 2 | Son | — | Pennsylvania |
| 97 | Paul Klim | 0 | Son | — | Pennsylvania |
| 98 | John Romelo | 45 | Head | Laborer | Italy |
| 99 | Mary Romelo | 38 | Wife | — | Italy |
| 100 | John Romelo | 18 | Son | Laborer | 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)