JN
John Novak — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this John Novak across the 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 10-person household.
Age 55
b. ~1885
Male
Head
Born: Yugoslavia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Chemist Helper |
| Industry | Mfg Navy Bottoms |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1820 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
| Occupation | Chemist Helper |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1885 |
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 |
|---|---|---|---|---|
| Rose Novak | Daughter | — | 13 | ~1927 |
| John Novak | Head | — | 55 | ~1885 |
| George Novak | Son | — | 21 | ~1919 |
| James Novak | Son | — | 14 | ~1926 |
| Charles Novak | Son | — | 19 | ~1921 |
| Joseph Novak | Son | — | 11 | ~1929 |
| Barbara Novak | Spouse | — | 47 | ~1893 |
| Frank Novak | Son | — | 25 | ~1915 |
| Helen Novak | Daughter | — | 10 | ~1930 |
| Louis Novak | Son | — | 17 | ~1923 |
Census Appearances
1930
Cuyahoga, Ohio
Head, age 46
Cuyahoga, Ohio · implied b. ~1884 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| Naturalization Status | Alien |
| Year of Immigration | 1906 |
| Age at First Marriage | 23 |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Can Read/Write | Yes |
| Mother Tongue | Slovenian |
| Home Owned/Rented | O |
| Home Value / Rent | $8000 |
| Radio Set | R |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
1940
Cuyahoga-County, Ohio
Head, age 55
Cuyahoga-County, Ohio · implied b. ~1885 — 10 household members
| Surname | Novak |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Yugoslavia |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | Naturalized |
| Occupation | Chemist Helper |
| Industry | Mfg Navy Bottoms |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1820 |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth Country | Yugoslavia |
| Birthplace (normalized) | yugoslavia |
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
Head · 1940 · age 55 · b. ~1885 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03238-00613)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilfred A Bushnell | 32 | Son | Proprietor | Ohio |
| 2 | Daniel Bally | 66 | Head | Station Fireman | Ohio |
| 3 | Mary Bally | 66 | Wife | — | Ohio |
| 4 | Harold Mellott | 32 | Head | Carpenter | Ohio |
| 5 | Mildred Mellott | 27 | Wife | — | Ohio |
| 6 | Kenneth Mellott | 4 | Son | — | Ohio |
| 7 | Ronald Mellott | 1 | Son | — | Ohio |
| 8 | John Mladonicky | 65 | Head | Machine Operator | Czechoslovakia |
| 9 | Mary Mladonicky | 60 | Wife | — | Czechoslovakia |
| 10 | Emily Mladonicky | 33 | Daughter | General Office Work | Czechoslovakia |
| 11 | Martha Mladonicky | 27 | Daughter | General Office Work | Ohio |
| 12 | John Mladonicky | 25 | Son | Tree Trimmer | Ohio |
| 13 | Mavis Mladonicky | 23 | Daughter | Waitress | Ohio |
| 14 | Ruth Mladonicky | 18 | Daughter | — | Ohio |
| 15 | Edith Mladonicky | 16 | Daughter | — | Ohio |
| 16 | Albert Knight | 60 | Head | Testing Meters On Oil Mains | Pennsylvania |
| 17 | Pearl Knight | 46 | Wife | — | Ohio |
| 18 | Arvelle Knight | 23 | Son | — | Ohio |
| 19 | Floyd Knight | 20 | Son | Laborer | Ohio |
| 20 | Albert Jr Knight | 16 | Son | — | Ohio |
| 21 | Glen Knight | 13 | Son | — | Ohio |
| 22 | Gustave Jahnke | 47 | Head | Carpenter | Poland |
| 23 | Anna Jahnke | 46 | Wife | — | Germany |
| 24 | Leo Fernandez | 34 | Head | Truck Driver | Spain |
| 25 | Anna Fernandez | 32 | Wife | — | Italy |
| 26 | Harry G Mossford | 30 | Head | Storeroom Keeper | Pennsylvania |
| 27 | Hazel Mossford | 30 | Wife | — | Pennsylvania |
| 28 | Lois Ann Mossford | 5 | Daughter | — | Pennsylvania |
| 29 | John Novak THIS PERSON | 55 | Head | Chemist Helper | Yugoslavia |
| 30 | Barbara Novak | 47 | Wife | — | Yugoslavia |
| 31 | Frank Novak | 25 | Son | Paint Mixer | Ohio |
| 32 | George Novak | 21 | Son | Woodworker | Ohio |
| 33 | Charles Ab Novak | 19 | Son | Air Hammer Cleaning Brick | Ohio |
| 34 | Louis Novak | 17 | Son | — | Ohio |
| 35 | James Novak | 14 | Son | — | Ohio |
| 36 | Rose Novak | 13 | Daughter | — | Ohio |
| 37 | Joseph Novak | 11 | Son | — | Ohio |
| 38 | Helen Novak | 10 | Daughter | — | Ohio |
| 39 | Alec Mcwilliam | 67 | Head | Boiler Room Helper | Canada Eng |
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)