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John Novak — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this John Novak across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 9-person household.
Age 20
b. ~1910
Male
Son
Born: Slovakia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Novak |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Slovakia |
| Naturalization Status | Alien |
| Year of Immigration | 1910 |
| Father's Birthplace | Slovakia |
| Mother's Birthplace | Slovakia |
| Additional Details | |
| Occupation | none |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birthplace (normalized) | slovakia |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Anna Novak | Spouse | — | 40 | ~1890 |
| Helen Novak | Daughter | — | 5 | ~1925 |
| Nancy Novak | Son | — | 10 | ~1920 |
| Pauline Novak | Daughter | — | 16 | ~1914 |
| Mike Novak | Son | — | 12 | ~1918 |
| John Novak | Head | — | 43 | ~1887 |
| Frank Novak | Son | — | 14 | ~1916 |
| Mary Novak | Daughter | — | 17 | ~1913 |
| John Novak | Son | — | 20 | ~1910 |
Census Appearances
1920
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Slovakia |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Slovakia |
| Mother's Birthplace | Slovakia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Slovak |
| Birthplace (normalized) | slovakia |
1930
None, None
Son, age 20
None, None · implied b. ~1910 — 9 household members
| Surname | Novak |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Slovakia |
| Naturalization Status | Alien |
| Year of Immigration | 1910 |
| Father's Birthplace | Slovakia |
| Mother's Birthplace | Slovakia |
| Occupation | none |
| Industry | Radio |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Slovak |
| Birthplace (normalized) | slovakia |
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 (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Novak
Son · 1930 · age 20 · b. ~1910 · None
★ You are viewing this record
Sibling
Frank Novak
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mike Novak
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Novak
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Novak
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Novak
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Novak
Sibling · 1930 · age 17
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 — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel435:0346)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Pekelnicky | 42 | Head | None | Illinois |
| 52 | Joseph Novak | 25 | Head | Machinist | Illinois |
| 53 | Alice Novak | 21 | Wife | None | Illinois |
| 54 | Walter Cieslewicz | 25 | Head | Operator | Illinois |
| 55 | Mary Cieslewicz | 26 | Wife | None | Illinois |
| 56 | John Suchi | 51 | Head | Laborer | Poland |
| 57 | Alice Suchi | 51 | Wife | None | Poland |
| 58 | Anna Suchi | 21 | Daughter | Coil Winder | Pennsylvania |
| 59 | Agnes Suchi | 17 | Daughter | Packer | Pennsylvania |
| 60 | Andrew Suchi | 14 | Son | Errand Boy | Pennsylvania |
| 61 | Budzyn Suchi | 28 | Boarder | Coil Winder | Pennsylvania |
| 62 | Irene Suchi | 6 | Grand daughter | None | Illinois |
| 63 | William Nowakowski | 28 | Head | Agent | Poland |
| 64 | Wanda Nowakowski | 24 | Wife | None | Illinois |
| 65 | Laverne Nowakowski | 4 | Daughter | None | Illinois |
| 66 | Nicholas Dambrucke | 40 | Head | Laborer | Poland |
| 67 | Frances Dambrucke | 40 | Wife | None | Poland |
| 68 | Stanley Olejnik | 18 | Step son | Factory Work | Illinois |
| 69 | Helen Olejnik | 21 | Step daughter | Branch Hand | Illinois |
| 70 | Anton Modla | 36 | Head | Butcher | Poland |
| 71 | Stella Modla | 34 | Wife | None | Poland |
| 72 | Frank Novak | 37 | Cousin | Tailor | Poland |
| 73 | Alex Szarawarski | 15 | Nephew | None | Illinois |
| 74 | Samuel Pilot | 24 | Head | Agent | Illinois |
| 75 | Alice Pilot | 21 | Wife | None | Illinois |
| 76 | Cathy Pilot | 2 | Daughter | None | Illinois |
| 77 | Ignatius Tavan | 34 | Head | Laborer | Czechoslovakia |
| 78 | Katherine Tavan | 33 | Wife | None | Czechoslovakia |
| 79 | Ann Tavan | 12 | Daughter | None | Illinois |
| 80 | Joseph Tavan | 10 | Son | None | Illinois |
| 81 | John Tavan | 8 | Son | None | Illinois |
| 82 | Pauline Tavan | 6 | Daughter | None | Illinois |
| 83 | Mary Tavan | 4 | Daughter | None | Illinois |
| 84 | Edward Tavan | 2 | Son | None | Illinois |
| 85 | Joseph Sermer | 65 | Head | Repairman | Czechoslovakia |
| 86 | Pauline Sermer | 59 | Wife | None | Czechoslovakia |
| 87 | Anna Sermer | 26 | Son | Plater | Illinois |
| 88 | John Novak | 43 | Head | Cooker | Slovakia |
| 89 | Anna Novak | 40 | Wife | None | Slovakia |
| 90 | John Jr Novak THIS PERSON | 20 | Son | None | Slovakia |
| 91 | Mary Novak | 17 | Daughter | Factory Work | Illinois |
| 92 | Pauline Novak | 16 | Daughter | None | Illinois |
| 93 | Frank Novak | 14 | Son | None | Illinois |
| 94 | Mike Novak | 12 | Son | None | Illinois |
| 95 | Nancy Novak | 10 | Son | None | Illinois |
| 96 | Helen Novak | 5 | Daughter | None | Illinois |
| 97 | Benjamin White | 37 | Head | Pressman | Illinois |
| 98 | Marcella White | 27 | Wife | None | Wisconsin |
| 99 | Joan White | 3 | Daughter | None | Illinois |
| 100 | — | None | — | — | — |
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)