JK
John Kovach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Tazewell, Virginia
Our Model Tree links this John Kovach across the 1920 and 1930 US Censuses in Tazewell, Virginia (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Male
Son
Born: Austria Hungary
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Tazewell, Virginia |
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Austria Hungary |
| Naturalization Status | Alien |
| Year of Immigration | 1909 |
| Father's Birthplace | Austria Hungary |
| Mother's Birthplace | Austria Hungary |
| Additional Details | |
| Occupation | Coal Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Magyar |
| Veteran | No |
| Birth Country | Austria-Hungary |
| Birthplace (normalized) | austria hungary |
| Occupation | Coal Miner |
| Township / Ward | Maiden Spring Mag Dist Part |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Kovach | Spouse | — | 41 | ~1889 |
| Margaret Kovach | Daughter | — | 9 | ~1921 |
| John Kovach | Head | — | 34 | ~1896 |
| Mike Kovach | Son | — | 13 | ~1917 |
| Mary Kovach | Daughter | — | 15 | ~1915 |
| John Kovach | Son | — | 21 | ~1909 |
| Ethel Kovach | Daughter | — | 7 | ~1923 |
| Helen Kovach | Daughter | — | 4 | ~1926 |
| Annie Kovach | Daughter | — | 11 | ~1919 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Austria Hungary |
| Year of Immigration | 1907 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Austria Hungary |
| Mother's Birthplace | Austria Hungary |
| Occupation | Laborer |
| Industry | Tin mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Slovak |
| Birth Country | Austria-Hungary |
| Birthplace (normalized) | austria hungary |
1930
Tazewell, Virginia
Son, age 21
Tazewell, Virginia · implied b. ~1909 — 9 household members
| Surname | Kovach |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Austria Hungary |
| Naturalization Status | Alien |
| Year of Immigration | 1909 |
| Father's Birthplace | Austria Hungary |
| Mother's Birthplace | Austria Hungary |
| Occupation | Coal Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Magyar |
| Veteran | No |
| Birth Country | Austria-Hungary |
| Birthplace (normalized) | austria hungary |
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 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kovach
Son · 1930 · age 21 · b. ~1909 · Virginia
★ You are viewing this record
Sibling
Annie Kovach
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kovach
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mike Kovach
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Kovach
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Kovach
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kovach
Sibling · 1930 · age 15
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 — Tazewell, Virginia
Open full size
1930 US Federal Census — Tazewell, Virginia
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2465unitrs:0332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Kovach | 34 | Head | Coal Miner | Tennessee |
| 52 | Helen Kovach | 41 | Wife | — | Austria Hungary |
| 53 | John Kovach THIS PERSON | 21 | Son | Coal Miner | Austria Hungary |
| 54 | Mary Kovach | 15 | Daughter | — | Kentucky |
| 55 | Mike Jr Kovach | 13 | Son | — | Virginia |
| 56 | Annie Kovach | 11 | Daughter | — | Virginia |
| 57 | Margaret Kovach | 9 | Daughter | — | Virginia |
| 58 | Ethel Kovach | 7 | Daughter | — | Virginia |
| 59 | Helen Kovach | 4 | Daughter | — | Virginia |
| 60 | George Pate | 33 | Head | Miner | Tennessee |
| 61 | Stella Pate | 33 | Wife | — | Tennessee |
| 62 | Raymond Pate | 14 | Son | — | Tennessee |
| 63 | Bessie Pate | 12 | Daughter | — | Tennessee |
| 64 | Marie Pate | 10 | Daughter | — | Tennessee |
| 65 | Edna Pate | 8 | Daughter | — | Tennessee |
| 66 | Gladys Pate | 6 | Daughter | — | Tennessee |
| 67 | George Jr Pate | 4 | Son | — | Tennessee |
| 68 | Spencer Thomas | 42 | Head | Miner | Kentucky |
| 69 | Lula Thomas | 42 | Wife | — | Kentucky |
| 70 | Lola Thomas | 17 | Daughter | — | Kentucky |
| 71 | Lillian Thomas | 15 | Daughter | — | Kentucky |
| 72 | Ethel Thomas | 13 | Daughter | — | Kentucky |
| 73 | J. D. Thomas | 11 | Son | — | Kentucky |
| 74 | Bernette Thomas | 7 | Daughter | — | Kentucky |
| 75 | Charles Schuler | 48 | Head | Miner | Pennsylvania |
| 76 | Eva Schuler | 41 | Wife | — | Kentucky |
| 77 | Charles C. Hill | 31 | Head | Miner | Virginia |
| 78 | Maggie Hill | 31 | Wife | — | Virginia |
| 79 | Clyde Hill | 10 | Son | — | Virginia |
| 80 | Stanley Hill | 12 | Son | — | Virginia |
| 81 | James Hill | 10 | Son | — | New Mexico |
| 82 | Woody Hill | 7 | Son | — | Virginia |
| 83 | John M. Hill | 57 | Father | Retired | Virginia |
| 84 | Martha Hill | 60 | Mother | — | Virginia |
| 85 | Willie Evans | 31 | Head | Blacksmith | Kentucky |
| 86 | Minnie Evans | 32 | Wife | — | Kentucky |
| 87 | Minnie Evans | 11 | Daughter | — | Virginia |
| 88 | Carroll Evans | 6 | Son | — | Virginia |
| 89 | Juanita Evans | 4 | Son | — | Kentucky |
| 90 | Lou Evans | 1 | Son | — | Virginia |
| 91 | Sigity Collier | 32 | Head | Electrician | Kentucky |
| 92 | Annie Collier | 32 | Wife | — | Virginia |
| 93 | Henry Moreland | 51 | Head | Foreman | Tennessee |
| 94 | Julia Moreland | 51 | Wife | — | Tennessee |
| 95 | Bessie Moreland | 24 | Daughter | — | Virginia |
| 96 | Carrie Moreland | 21 | Daughter | — | Virginia |
| 97 | Claud Moreland | 10 | Son | — | Virginia |
| 98 | Othel Moreland | 7 | Son | — | Virginia |
| 99 | Joseph Smith | 60 | Head | Foreman | West Virginia |
| 100 | Nelia Smith | 45 | Wife | — | Virginia |
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)