JN
John Novak — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Pennsylvania
Our Model Tree links this John Novak across the 1930 and 1940 US Censuses in Greene-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 10-person household.
Age 30
b. ~1910
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Pennsylvania |
| Surname | Novak |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | 21 |
| Industry | Laborer |
| Class of Worker | Coal Mine |
| Highest Grade | No 7 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | 21 |
| Township / Ward | Dunkard Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| George Novak | Son | — | 20 | ~1920 |
| Maria Novak | Spouse | — | 53 | ~1887 |
| Mike Novak | Son | — | 24 | ~1916 |
| Ann Novak | Daughter | — | 18 | ~1922 |
| Adam Novak | Son | — | 16 | ~1924 |
| Andrew Novak | Head | — | 57 | ~1883 |
| Steve Novak | Son | — | 25 | ~1915 |
| Paul Novak | Son | — | 22 | ~1918 |
| Mary Novak | Daughter | — | 11 | ~1929 |
| John Novak | Son | — | 30 | ~1910 |
Census Appearances
1930
Greene, Pennsylvania
Son, age 20
Greene, Pennsylvania · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Greene-County, Pennsylvania
Son, age 30
Greene-County, Pennsylvania · implied b. ~1910 — 10 household members
| Surname | Novak |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Greene |
| Occupation | 21 |
| Industry | Laborer |
| Class of Worker | Coal Mine |
| Highest Grade | No 7 |
| 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 Novak across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Novak
Son · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Paul Novak
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Novak
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Novak
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Novak
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mike Novak
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Steve Novak
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adam Novak
Sibling · 1940 · age 16
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
1940 US Federal Census — Greene-County, Pennsylvania
Open full size
1940 US Federal Census — Greene-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03512-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theresa Frecka | 4 | daughter | — | Pennsylvania |
| 2 | Mary Frecka | 3 | daughter | — | Pennsylvania |
| 3 | Cecilia Frecka | 1 | daughter | — | Pennsylvania |
| 4 | Andrew Novak | 57 | head | Laborer | Yugoslavia |
| 5 | Maria Novak | 53 | wife | — | Czechoslovakia |
| 6 | John Novak THIS PERSON | 30 | son | 21 | Pennsylvania |
| 7 | Steve Novak | 25 | son | 21 | Pennsylvania |
| 8 | Mike Novak | 24 | son | 52 | Pennsylvania |
| 9 | Paul Novak | 22 | son | 4 | Pennsylvania |
| 10 | George Novak | 20 | son | 4 | Pennsylvania |
| 11 | Ann Novak | 18 | daughter | — | Pennsylvania |
| 12 | Adam Novak | 16 | son | — | Pennsylvania |
| 13 | Mary Novak | 11 | daughter | — | Pennsylvania |
| 14 | Emil Dorke | 31 | head | 3 | Pennsylvania |
| 15 | Anna Dorke | 27 | wife | — | Pennsylvania |
| 16 | Emil, Jr. Dorke | 8 | son | — | Pennsylvania |
| 17 | Robert Dorke | 5 | son | — | Pennsylvania |
| 18 | Robert Handy | 58 | head | Laborer | England |
| 19 | Alice Handy | 22 | wife | 1 | Pennsylvania |
| 20 | Elizabeth Handy | 20 | son | 21 | Pennsylvania |
| 21 | Wilbur Handy | 17 | son | — | Pennsylvania |
| 22 | Elizabeth Butt | 17 | servant | 35 | Pennsylvania |
| 23 | Joseph Santel | 44 | head | Laborer | Austria |
| 24 | Frances Santel | 36 | wife | — | Pennsylvania |
| 25 | Audrey Santel | 18 | daughter | 21 | Pennsylvania |
| 26 | Margaret Santel | 15 | daughter | — | Pennsylvania |
| 27 | Joseph, Jr. Santel | 15 | son | — | Pennsylvania |
| 28 | Joseph Myers | 29 | head | 35 | Pennsylvania |
| 29 | Vera Myers | 24 | wife | — | Pennsylvania |
| 30 | Joseph, Jr. Myers | 4 | son | — | Pennsylvania |
| 31 | Dawn Myers | 2 | daughter | — | Pennsylvania |
| 32 | Richard Rehenek | 29 | head | 21 | Pennsylvania |
| 33 | Dorothy Rehenek | 28 | wife | — | Pennsylvania |
| 34 | Rosemary Rehenek | 9 | daughter | — | Pennsylvania |
| 35 | Margaret Rehenek | 7 | daughter | — | Pennsylvania |
| 36 | Lou Ann Rehenek | 4 | daughter | — | Pennsylvania |
| 37 | John Zeleznik | 46 | head | 21 | Pennsylvania |
| 38 | Frances Zeleznik | 42 | wife | — | Yugoslavia |
| 39 | Irene Zeleznik | 21 | daughter | 4 | Pennsylvania |
| 40 | William Zeleznik | 18 | son | 21 | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)