MN
Mary Novak — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this Mary Novak across the 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1918 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Novak | Daughter | — | 12 | ~1918 |
| Katie Novak | Other | — | 35 | ~1895 |
| Lottie Novak | Daughter | — | 10 | ~1920 |
| Jennie Novak | Daughter | — | 8 | ~1922 |
| Joe Novak | Head | — | 38 | ~1892 |
| Eddie Novak | Son | — | 3 | ~1927 |
| Joe Novak | Son | — | 14 | ~1916 |
| Johnnie Novak | Son | — | 1 | ~1929 |
| Catherine Novak | Daughter | — | 5 | ~1925 |
Census Appearances
1930
Cuyahoga, Ohio
Daughter, age 12
Cuyahoga, Ohio · implied b. ~1918 — 9 household members
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Poland |
| Mother's Birthplace | Poland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 23
Cuyahoga-County, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | Marylyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Baker Helper |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 168 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Novak across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Novak
Daughter · 1930 · age 12 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Lottie Novak
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Novak
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Novak
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Novak
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie Novak
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnnie Novak
Sibling · 1930 · age 1
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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
47 people indexed on this census page (ia:1930:ohiocensus00reel1778:0420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joe Novak | 38 | Head | Laborer | Poland |
| 2 | Katie Novak | 35 | Wife-H | None | Poland |
| 3 | Joe Novak | 14 | Son | None | Ohio |
| 4 | Mary Novak THIS PERSON | 12 | Daughter | None | Ohio |
| 5 | Lottie Novak | 10 | Daughter | None | Ohio |
| 6 | Jennie Novak | 8 | Daughter | None | Ohio |
| 7 | Catherine Novak | 5 | Daughter | None | Ohio |
| 8 | Eddie Novak | 3 | Son | None | Ohio |
| 9 | Johnnie Novak | 1 | Son | None | Ohio |
| 10 | Edward Bancowski | 36 | Head | Fireman | Ohio |
| 11 | Edna Bancowski | 25 | Wife-H | None | Ohio |
| 12 | Edward Bancowski | 3 | Son | None | Ohio |
| 13 | Robert Bancowski | 2 | Son | None | Ohio |
| 14 | Richard Bancowski | 1 | Son | None | Ohio |
| 15 | Bancowski | None | — | — | — |
| 16 | Bancowski | None | — | — | — |
| 17 | Mary Refere | 46 | Head-H | None | Poland |
| 18 | John Refere | 22 | Son | Mechanic | Oklahoma |
| 19 | Ida Refere | 19 | Daughter | None | Oklahoma |
| 20 | Edna Refere | 16 | Daughter | Packer | Oklahoma |
| 21 | Walter Refere | 14 | Son | None | Oklahoma |
| 22 | Leo Refere | 11 | Son | None | Oklahoma |
| 23 | John Morton | 39 | Head | Stone Cutter | Scotland |
| 24 | Isabel Morton | 36 | Wife-H | None | Scotland |
| 25 | John Morton | 7 | Son | None | Illinois |
| 26 | Mike Bodnar | 52 | Head | Laborer | Czechoslovakia |
| 27 | Mary Bodnar | 54 | Wife-H | Cleaning | Czechoslovakia |
| 28 | Andrew Bodnar | 23 | Son | Printer | Ohio |
| 29 | George Bodnar | 18 | Son | None | Ohio |
| 30 | Joseph Bodnar | 15 | Son | None | Ohio |
| 31 | John Hanna | 37 | Head | Foreman | Ohio |
| 32 | Mary Hanna | 31 | Wife-H | None | Ohio |
| 33 | Mildred Hanna | 9 | Daughter | None | Ohio |
| 34 | Ruth Hanna | 6 | Daughter | None | Ohio |
| 35 | Alice Hanna | 5 | Daughter | None | Ohio |
| 36 | Junior Hanna | 4 | Son | None | Ohio |
| 37 | Dorothy Hanna | 0 | Daughter | None | Ohio |
| 38 | Steve Czerwinski | 40 | Head-H | Carpenter | Poland |
| 39 | Mary Czerwinski | 37 | Wife-H | None | Poland |
| 40 | Helen Czerwinski | 10 | Daughter | None | Poland |
| 41 | Edward Czerwinski | 7 | Son | None | Poland |
| 42 | Thomas J. Hughes | 42 | Head | Printer | Wales |
| 43 | Alice Hughes | 40 | Wife-H | None | England |
| 44 | Albert Hughes | 15 | Son | None | Ohio |
| 45 | Edith Hughes | 14 | Daughter | None | Ohio |
| 46 | Alice Hughes | 10 | Daughter | None | Ohio |
| 47 | Thomas J. Hughes | 4 | Son | None | 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)