JN
John Novak — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lorain, Ohio
Our Model Tree links this John Novak across the 1930 and 1940 US Censuses in Lorain, Ohio (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 13-person household.
Age 26
b. ~1904
Male
Head
Born: Czechoslovakia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lorain, Ohio |
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 24 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
| Occupation | Laborer |
| Township / Ward | Lorain City |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Anthony Novak | Son | — | 13 | ~1917 |
| Mary Novak | Daughter | — | 28 | ~1902 |
| James Novak | Son | — | 17 | ~1913 |
| Julia Novak | Daughter | — | 24 | ~1906 |
| Theresa Novak | Son | — | 6 | ~1924 |
| John Novak | Son | — | 19 | ~1911 |
| Tom Novak | Son | — | 10 | ~1920 |
| Joe Novak | Son | — | 15 | ~1915 |
| John Novak | Head | — | 26 | ~1904 |
| Jennie Novak | Daughter | — | 21 | ~1909 |
| Jerome Novak | Son | — | 9 | ~1921 |
| Mary Novak | Spouse | — | 50 | ~1880 |
| Richard Novak | Son | — | 4 | ~1926 |
Census Appearances
1930
Lorain, Ohio
Head, age 26
Lorain, Ohio · implied b. ~1904 — 13 household members
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 24 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Occupation | Laborer |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
1940
Cuyahoga-County, Ohio
Son, age 35
Cuyahoga-County, Ohio · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Occupation | Trucker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1440 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
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 Novak across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Novak
Head · 1930 · age 26 · b. ~1904 · Ohio
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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 — Lorain, Ohio
Open full size
1930 US Federal Census — Lorain, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1830:1072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ester Buti | 11 | Daughter | — | Ohio |
| 2 | Mary Buti | 7 | Daughter | — | Ohio |
| 3 | Gabor Szabo | 54 | Boarder | — | Czechoslovakia |
| 4 | John Novak THIS PERSON | 26 | Head | Laborer | Czechoslovakia |
| 5 | Mary Novak | 50 | Wife | — | Czechoslovakia |
| 6 | Mary Novak | 28 | Daughter | Saleslady | Ohio |
| 7 | Julia Novak | 24 | Daughter | Seamstress | Ohio |
| 8 | Jennie Novak | 21 | Daughter | Seamstress | Ohio |
| 9 | John Novak | 19 | Son | Operator (Machine) | Ohio |
| 10 | James Novak | 17 | Son | — | Ohio |
| 11 | Joe Novak | 15 | Son | — | Ohio |
| 12 | Anthony Novak | 13 | Son | — | Ohio |
| 13 | Tom Novak | 10 | Son | — | Ohio |
| 14 | Jerome Novak | 9 | Son | — | Ohio |
| 15 | Theresa Novak | 6 | Son | — | Ohio |
| 16 | Richard Novak | 4 | Son | — | Ohio |
| 17 | John Dohanos | 29 | Head | Molder | Czechoslovakia |
| 18 | Mary Dohanos | 30 | Wife | — | Czechoslovakia |
| 19 | Bernice Dohanos | 10 | Daughter | — | Czechoslovakia |
| 20 | Margaret Dohanos | 7 | Daughter | — | Czechoslovakia |
| 21 | Louis Wuergl | 32 | Head | Carpenter | Austria |
| 22 | Julia Wuergl | 31 | Wife | — | Austria |
| 23 | Louis Wuergl | 9 | Son | — | Austria |
| 24 | Henry Wuergl | 4 | Son | — | Ohio |
| 25 | Frank Wuergl | 1 | Son | — | Ohio |
| 26 | George Evan | 33 | Head | Brakeman | Czechoslovakia |
| 27 | Annie Evan | 27 | Wife | — | Czechoslovakia |
| 28 | Mary Evan | 2 | Daughter | — | Czechoslovakia |
| 29 | John Siran | 61 | Head | Laborer | Hungary |
| 30 | Caroline Siran | 64 | Wife | — | Hungary |
| 31 | Pete Krall | 36 | Head | Engineer | Czechoslovakia |
| 32 | Julia Krall | 35 | Wife | — | Czechoslovakia |
| 33 | Mary Krall | 19 | Daughter | Waitress | Czechoslovakia |
| 34 | George Krall | 9 | Son | — | Ohio |
| 35 | Pete Krall | 8 | Son | — | Ohio |
| 36 | John Krall | 6 | Son | — | Ohio |
| 37 | Steve Krall | 4 | Son | — | Ohio |
| 38 | Mike Krall | 1 | Son | — | Ohio |
| 39 | Mike Naggy | 52 | Head | Laborer | Austria Hungary |
| 40 | Rosa Naggy | 45 | Wife | — | Austria Hungary |
| 41 | Frank Naggy | 22 | Son | Laborer | Ohio |
| 42 | Julia Naggy | 18 | Son | Operator (Machine) | Ohio |
| 43 | Rosa Naggy | 15 | Daughter | — | Ohio |
| 44 | Annie Naggy | 14 | Daughter | — | Ohio |
| 45 | Caroline Naggy | 12 | Daughter | — | Ohio |
| 46 | Velma Naggy | 8 | Daughter | — | Ohio |
| 47 | Irene Naggy | 7 | Daughter | — | Ohio |
| 48 | Joe Nemeth | 42 | Head | Bricklayer | Hungary |
| 49 | Susie Nemeth | 34 | Wife | — | Hungary |
| 50 | Joe Nemeth | 16 | Son | — | 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)