JK
John Kovach — 1920 US Census Record
Linked across censuses1920 United States Federal Census · None, None
Our Model Tree links this John Kovach across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 10-person household.
Age 17
b. ~1903
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | None, None |
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Est. Birth Year | ~1903 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Steve Kovach | Son | — | 9 | ~1911 |
| Joe Kovach | Son | — | 7 | ~1913 |
| Verna Kovach | Daughter | — | 1 | ~1919 |
| Annie Kovach | Daughter | — | 18 | ~1902 |
| Mary Kovach | Spouse | — | 40 | ~1880 |
| Steve Kovach | Head | — | 42 | ~1878 |
| John Kovach | Son | — | 17 | ~1903 |
| Mary Kovach | Daughter | — | 15 | ~1905 |
| Katie Kovach | Daughter | — | 11 | ~1909 |
| Helen Kovach | Daughter | — | 4 | ~1916 |
Census Appearances
1920
None, None
Son, age 17
None, None · implied b. ~1903 — 10 household members
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
None, None
Son, age 28
None, None · implied b. ~1902 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovacs |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Contractor |
| Industry | T.B.X. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
John Kovach
Son · 1920 · age 17 · b. ~1903 · None
★ You are viewing this record
Sibling
Katie Kovach
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kovach
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kovach
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Steve Kovach
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Kovach
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Kovach
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verna Kovach
Sibling · 1920 · age 1
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
1920 US Federal Census — None, None
Open full size
1920 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1650unit:0711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Katie Benjamin | 18 | Daughter | — | Pennsylvania |
| 52 | Eva Benjamin | 16 | Daughter | — | Pennsylvania |
| 53 | Joe Oravitz | 42 | Head | Laborer | Austria |
| 54 | Mary Oravitz | 38 | Wife | — | Austria |
| 55 | Mary Oravitz | 15 | Daughter | — | Pennsylvania |
| 56 | Annie Oravitz | 13 | Daughter | — | Pennsylvania |
| 57 | Joe Oravitz | 11 | Son | — | Pennsylvania |
| 58 | Helen Oravitz | 7 | Daughter | — | Pennsylvania |
| 59 | John Oravitz | 5 | Son | — | Pennsylvania |
| 60 | Katie Oravitz | 2 | Daughter | — | Pennsylvania |
| 61 | Steve Kovach | 42 | Head | Laborer | Austria |
| 62 | Mary Kovach | 40 | Wife | — | Austria |
| 63 | Annie Kovach | 18 | Daughter | — | Pennsylvania |
| 64 | John Kovach THIS PERSON | 17 | Son | — | Pennsylvania |
| 65 | Mary Kovach | 15 | Daughter | — | Pennsylvania |
| 66 | Katie Kovach | 11 | Daughter | — | Pennsylvania |
| 67 | Steve Kovach | 9 | Son | — | Pennsylvania |
| 68 | Joe Kovach | 7 | Son | Laborer | Pennsylvania |
| 69 | Helen Kovach | 4 | Daughter | — | Pennsylvania |
| 70 | Verna Kovach | 1 | Daughter | — | Pennsylvania |
| 71 | George Kovach | 34 | Head | Laborer | Austria |
| 72 | Mary Kovach | 27 | Wife | — | Austria |
| 73 | Mary Kovach | 8 | Daughter | — | Pennsylvania |
| 74 | George Kovach | 6 | Son | — | Pennsylvania |
| 75 | Annie Kovach | 4 | Daughter | — | Pennsylvania |
| 76 | Verna Kovach | 2 | Daughter | — | Pennsylvania |
| 77 | John Kovach | 0 | Son | — | Pennsylvania |
| 78 | John Kovach | 32 | Head | Laborer | Austria |
| 79 | Mary Kovach | 28 | Wife | — | Austria |
| 80 | John Kovach | 8 | Son | — | Pennsylvania |
| 81 | Mary Kovach | 6 | Daughter | — | Pennsylvania |
| 82 | Annie Kovach | 4 | Daughter | — | Pennsylvania |
| 83 | George Kovach | 2 | Son | — | Pennsylvania |
| 84 | Verna Kovach | 0 | Daughter | — | Pennsylvania |
| 85 | Steve Kovach | 21 | Head | Laborer | Austria |
| 86 | Mary Kovach | 18 | Wife | — | Austria |
| 87 | Steve Kovach | 1 | Son | — | Pennsylvania |
| 88 | John Kovach | 27 | Head | Laborer | Austria |
| 89 | Mary Kovach | 22 | Wife | — | Austria |
| 90 | John Kovach | 1 | Son | — | Pennsylvania |
| 91 | Richard Nicholas | 31 | Head | Laborer | Austria |
| 92 | Mary Nicholas | 25 | Wife | — | Austria |
| 93 | Richard Nicholas | 1 | Son | — | Pennsylvania |
| 94 | Frank Nicholas | 28 | Head | Laborer | Austria |
| 95 | William Jasper | 30 | Head | Laborer | Austria |
| 96 | Mary Jasper | 29 | Wife | — | Austria |
| 97 | James Nicholas | 53 | Boarder | Laborer | Austria |
| 98 | Thomas Kovach | 47 | Head | Laborer | Austria |
| 99 | Katie Kovach | 44 | Wife | — | Austria |
| 100 | Alma Kovach | 14 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)