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Mary Kovach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Schuylkill, Pennsylvania
Our Model Tree links this Mary Kovach across the 1920 and 1930 US Censuses in Schuylkill, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 10-person household.
Age 37
b. ~1893
Female
Spouse
Born: Lithuania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Schuylkill, Pennsylvania |
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 16 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Frackville Borough |
| Est. Birth Year | ~1893 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Kovach | Daughter | — | 11 | ~1919 |
| Mary Kovach | Daughter | — | 1 | ~1929 |
| Margaret Kovach | Daughter | — | 9 | ~1921 |
| Michael Kovach | Son | — | 15 | ~1915 |
| Julia Kovach | Daughter | — | 17 | ~1913 |
| Mary Kovach | Spouse | — | 37 | ~1893 |
| John Kovach | Son | — | 4 | ~1926 |
| Anna Kovach | Daughter | — | 13 | ~1917 |
| John Kovach | Son | — | 7 | ~1923 |
| John Kovach | Head | — | 40 | ~1890 |
Census Appearances
1920
Cuyahoga, Ohio
Spouse, age 26
Cuyahoga, Ohio · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | none |
| Speaks English | No |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1930
Schuylkill, Pennsylvania
Spouse, age 37
Schuylkill, Pennsylvania · implied b. ~1893 — 10 household members
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 16 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Can Read/Write | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Kovach
Spouse · 1930 · age 37 · b. ~1893 · 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 — Schuylkill, Pennsylvania
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1930 US Federal Census — Schuylkill, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2144:0965)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy W Hafner | 3 | Daughter | — | Pennsylvania |
| 2 | Charles A Muller | 48 | Head | Salesman | Pennsylvania |
| 3 | Agnes Muller | 46 | Wife | — | Pennsylvania |
| 4 | Charles Muller | 16 | Son | — | Pennsylvania |
| 5 | Edward Muller | 15 | Son | — | Pennsylvania |
| 6 | Francis Muller | 13 | Son | — | Pennsylvania |
| 7 | Eleanor Muller | 11 | Daughter | — | Pennsylvania |
| 8 | Robert Muller | 7 | Son | — | Pennsylvania |
| 9 | John Kovach | 40 | Head | Miner | Lithuania |
| 10 | Mary Kovach THIS PERSON | 37 | Wife | — | Lithuania |
| 11 | Julia Kovach | 17 | Daughter | — | Pennsylvania |
| 12 | Michael Kovach | 15 | Son | — | Pennsylvania |
| 13 | Anna Kovach | 13 | Daughter | — | Pennsylvania |
| 14 | Helen Kovach | 11 | Daughter | — | Pennsylvania |
| 15 | Margaret Kovach | 9 | Daughter | — | Pennsylvania |
| 16 | John Kovach | 7 | Son | — | Pennsylvania |
| 17 | John Kovach | 4 | Son | — | Pennsylvania |
| 18 | Mary Kovach | 1 | Daughter | — | Pennsylvania |
| 19 | William F Cahill | 58 | Head | Baggage Master | Pennsylvania |
| 20 | Susan M Cahill | 52 | Wife | — | Pennsylvania |
| 21 | Margaret A Cahill | 22 | Daughter | — | Pennsylvania |
| 22 | William J Lawrence | 53 | Head | Fireman | Pennsylvania |
| 23 | Ida M Lawrence | 39 | Wife | — | Pennsylvania |
| 24 | Sarah M Lawrence | 21 | Daughter | — | Pennsylvania |
| 25 | Charles J Lawrence | 19 | Son | — | Pennsylvania |
| 26 | Harriet M Lawrence | 16 | Daughter | — | Pennsylvania |
| 27 | Peter D Halter | 52 | Head | Stableman | Pennsylvania |
| 28 | Sarah C Halter | 51 | Wife | — | Pennsylvania |
| 29 | Leon E Halter | 19 | Son | Laborer | Pennsylvania |
| 30 | Josephine H Halter | 18 | Daughter | — | Pennsylvania |
| 31 | Sarah E Halter | 16 | Daughter | — | Pennsylvania |
| 32 | Peter J Halter | 11 | Son | — | Pennsylvania |
| 33 | Harry W Halter | 9 | Son | — | Pennsylvania |
| 34 | William H Halter | 8 | Son | — | Pennsylvania |
| 35 | Louise R Halter | 6 | Daughter | — | Pennsylvania |
| 36 | Peter S Frantz | 55 | Head | Signal Man | Pennsylvania |
| 37 | Rebecca H Frantz | 20 | Daughter | — | Pennsylvania |
| 38 | William R Frantz | 3 | Son | — | Pennsylvania |
| 39 | William Frantz | 35 | Son | Laborer | Pennsylvania |
| 40 | William F Wallace | 57 | Head | Brakeman | New York |
| 41 | Ellen M Wallace | 49 | Wife | — | Pennsylvania |
| 42 | John J Becker | 43 | Head | Salesman | Pennsylvania |
| 43 | Mary A Becker | 44 | Wife | — | Germany |
| 44 | Cecelia Becker | 19 | Daughter | Saleslady | Pennsylvania |
| 45 | Mary Becker | 17 | Daughter | Saleslady | Pennsylvania |
| 46 | John Becker | 14 | Son | — | Pennsylvania |
| 47 | Gertrude Becker | 12 | Daughter | — | Pennsylvania |
| 48 | Peter Becker | 10 | Son | — | Pennsylvania |
| 49 | James Becker | 5 | Son | — | Pennsylvania |
| 50 | Charles Truett | 56 | Head | 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)