MK
Mary Kovach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Summit, Ohio
Our Model Tree links this Mary Kovach across the 1930 and 1940 US Censuses in Summit, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 2
b. ~1928
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Summit, Ohio |
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Akron City |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Edith Kovach | Daughter | — | 5 | ~1925 |
| Mary Kovach | Daughter | — | 2 | ~1928 |
| Elizabeth Kovach | Daughter | — | 7 | ~1923 |
| Rose Kovach | Daughter | — | 10 | ~1920 |
| Mike Kovach | Head | — | 38 | ~1892 |
| Nick Kovach | Son | — | 11 | ~1919 |
| Frances Kovach | Daughter | — | 9 | ~1921 |
| Zora Kovach | Spouse | — | 36 | ~1894 |
| Frank Kovach | Son | — | 14 | ~1916 |
| Jennie Kovach | Daughter | — | 16 | ~1914 |
Census Appearances
1930
Summit, Ohio
Daughter, age 2
Summit, Ohio · implied b. ~1928 — 10 household members
| Surname | Kovach |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Daughter, age 13
Summit-County, Ohio · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovacs |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kovach
Daughter · 1930 · age 2 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Jennie Kovach
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Kovach
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nick Kovach
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Kovach
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Kovach
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Kovach
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Kovach
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Summit, Ohio
Open full size
1930 US Federal Census — Summit, Ohio
Page Contents
49 people indexed on this census page (ia:1930:ohiocensus00reel1878:0903)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Lashbrook | 38 | Head | Auto Mech | Ohio |
| 2 | Anna Lashbrook | 39 | Wife | — | Ohio |
| 3 | George Lashbrook | 14 | Son | — | Ohio |
| 4 | Alice Lashbrook | 12 | Daughter | — | Ohio |
| 5 | Eugene Lashbrook | 11 | Son | — | Ohio |
| 6 | Mary Lashbrook | 7 | Daughter | — | Ohio |
| 7 | Anna Lashbrook | 4 | Daughter | — | Ohio |
| 8 | Edward J Tone | 47 | Head | Plasterer | Tennessee |
| 9 | Francis Tone | 44 | Wife | — | Ohio |
| 10 | John Tone | 10 | Son | — | Pennsylvania |
| 11 | Henry Tone | 3 | Son | — | Pennsylvania |
| 12 | Edward Tone | 47 | Lodger | Plasterer | Tennessee |
| 13 | Edward Tone | 18 | Lodger | — | Pennsylvania |
| 14 | Charles Tone | 20 | Lodger | Truck Driver | Ohio |
| 15 | Leo Tone | 25 | Lodger | Painter | Michigan |
| 16 | Rowena Tone | 18 | Lodger | — | Ohio |
| 17 | Marie Tone | 2 | Lodger | — | West Virginia |
| 18 | Isaac Boyd | 28 | Head | Auto Driver | Georgia |
| 19 | Irene Boyd | 25 | Wife | — | Ohio |
| 20 | Christine E Boyd | 11 | Daughter | — | Ohio |
| 21 | Charles C Boyd | 7 | Son | — | Georgia |
| 22 | Magdeline Boyd | 4 | Daughter | — | Ohio |
| 23 | James Boyd | 18 | Son | — | Georgia |
| 24 | Dewey Boyd | 33 | Son | — | Georgia |
| 25 | Anna M Boyd | 30 | Wife | — | Georgia |
| 26 | Boyd | 12 | Son | — | Georgia |
| 27 | Paul Kovach | 48 | Head | Laborer | Yugoslavia |
| 28 | Mary Kovach | 46 | Wife | — | Yugoslavia |
| 29 | Mary Kovach | 16 | Daughter | — | Ohio |
| 30 | Mike Kovach | 38 | Head | Auto Driver | Italy |
| 31 | Zora S Kovach | 36 | Wife | — | Italy |
| 32 | Jennie Kovach | 16 | Daughter | — | Ohio |
| 33 | Frank Kovach | 14 | Son | — | Ohio |
| 34 | Nick Kovach | 11 | Son | — | Ohio |
| 35 | Rose Kovach | 10 | Daughter | — | Ohio |
| 36 | Frances Kovach | 9 | Daughter | — | Ohio |
| 37 | Elizabeth Kovach | 7 | Daughter | — | Ohio |
| 38 | Edith Kovach | 5 | Daughter | — | Ohio |
| 39 | Mary Kovach THIS PERSON | 2 | Daughter | — | Ohio |
| 40 | Eli Sobe | 35 | Head | Machinist | Florida |
| 41 | Marie Sobe | 38 | Wife | — | New Jersey |
| 42 | Charles Sobe | 42 | Lodger | Punching | Alabama |
| 43 | Shorty Sobe | 37 | Lodger | Porter | Alabama |
| 44 | Samson Sobe | 40 | Lodger | — | Alabama |
| 45 | Pasquale Depante | 48 | Head | Press Frame | Italy |
| 46 | Maddalena Depante | 40 | Wife | — | Italy |
| 47 | Dominic Depante | 12 | Son | — | Ohio |
| 48 | Elizabeth Depante | 10 | Daughter | — | Ohio |
| 49 | Angeline M Depante | 8 | Daughter | — | Ohio |
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)