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.~1915), then head of a 10-person household.
Age 15
b. ~1915
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 | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1915 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Novak | Head | — | 51 | ~1879 |
| Dorothy Novak | Daughter | — | 7 | ~1923 |
| Lewis Novak | Son | — | 22 | ~1908 |
| Mary Novak | Other | — | 46 | ~1884 |
| Florence Novak | Daughter | — | 6 | ~1924 |
| Charles Novak | Son | — | 13 | ~1917 |
| John Novak | Son | — | 11 | ~1919 |
| Mary Novak | Daughter | — | 15 | ~1915 |
| Joseph Novak | Son | — | 17 | ~1913 |
| Paul Novak | Son | — | 8 | ~1922 |
Census Appearances
1930
Cuyahoga, Ohio
Daughter, age 15
Cuyahoga, Ohio · implied b. ~1915 — 10 household members
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Yugoslavia |
| Mother's Birthplace | Yugoslavia |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Daughter, age 25
Cuyahoga-County, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Cashier |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 950 |
| 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 15 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Joseph Novak
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Novak
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Novak
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Novak
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Novak
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Novak
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Novak
Sibling · 1930 · age 7
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
50 people indexed on this census page (ia:1930:ohiocensus00reel1770:0892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Burko | 11 | Daughter | — | Ohio |
| 2 | August Krusko | 37 | Head | Laborer | Yugoslavia |
| 3 | Julia Krusko | 37 | Wife-H | — | Yugoslavia |
| 4 | August Jr Krusko | 12 | Son | — | Ohio |
| 5 | Joseph Krusko | 10 | Son | — | Ohio |
| 6 | Ludwig Krusko | 8 | Son | — | Ohio |
| 7 | Anton Lipich | 43 | Boarder | Laborer | Yugoslavia |
| 8 | Frank Marincic | 55 | Head | Laborer | Yugoslavia |
| 9 | Angela Marincic | 45 | Wife-H | — | Yugoslavia |
| 10 | Angela Marincic | 21 | Daughter | — | Ohio |
| 11 | Frank Jr Marincic | 19 | Son | Machinist | Ohio |
| 12 | Sophie Marincic | 17 | Daughter | — | Ohio |
| 13 | Lewis Marincic | 14 | Son | — | Ohio |
| 14 | Vera Marincic | 12 | Daughter | — | Ohio |
| 15 | Henry Marincic | 10 | Son | — | Ohio |
| 16 | Lucille Marincic | 8 | Daughter | — | Ohio |
| 17 | Mildred Marincic | 6 | Daughter | — | Ohio |
| 18 | Frank Novak | 51 | Head | Foreman | Yugoslavia |
| 19 | Mary Novak | 46 | Wife-H | — | Ohio |
| 20 | Lewis Novak | 22 | Son | Laborer | Ohio |
| 21 | Joseph Novak | 17 | Son | Messenger | Ohio |
| 22 | Charles Novak | 13 | Son | — | Ohio |
| 23 | John Novak | 11 | Son | — | Ohio |
| 24 | Paul Novak | 8 | Son | — | Ohio |
| 25 | Mary Novak THIS PERSON | 15 | Daughter | — | Ohio |
| 26 | Dorothy Novak | 7 | Daughter | — | Ohio |
| 27 | Florence Novak | 6 | Daughter | — | Ohio |
| 28 | Joseph Wrona | 64 | Head | — | Poland |
| 29 | Pauline Wrona | 50 | Wife-H | — | Poland |
| 30 | Joseph Wrona | 25 | Son | — | Ohio |
| 31 | Virginia Wrona | 23 | Daughter | — | Ohio |
| 32 | Julia Wrona | 19 | Daughter | Sewer | Ohio |
| 33 | Leo Wrona | 17 | Son | Laborer | Ohio |
| 34 | Clara Wrona | 15 | Daughter | — | Ohio |
| 35 | Ben Wrona | 13 | Son | — | Ohio |
| 36 | Dorothy Wrona | 11 | Daughter | — | Ohio |
| 37 | Stanley Wrona | 10 | Son | — | Ohio |
| 38 | Jean Wrona | 5 | Daughter | — | Ohio |
| 39 | John Milinczak | 31 | Head | Laborer | Poland |
| 40 | Rose Milinczak | 27 | Wife-H | — | Poland |
| 41 | John Milinczak | 7 | Son | — | Ohio |
| 42 | Henry Milinczak | 4 | Son | — | Ohio |
| 43 | Lila Milinczak | 2 | Daughter | — | Ohio |
| 44 | Edward Milinczak | 0 | Son | — | Ohio |
| 45 | Katherine Colmer | 42 | Head | — | Yugoslavia |
| 46 | Virginia Colmer | 17 | Daughter | Sewer | Ohio |
| 47 | Frank Colmer | 15 | Son | — | Ohio |
| 48 | Andrew Colmer | 11 | Son | — | Ohio |
| 49 | Helen Colmer | 7 | Daughter | — | Ohio |
| 50 | Lawrence Colmer | 5 | 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)