MN
Mary Novak — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this Mary Novak across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John — first a daughter (b.~1896), then head of a 2-person household.
Age 44
b. ~1896
Female
Daughter
Born: Hungary
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Novak |
| Given Name | Mary U |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Hungary |
| 1935 Residence (City) | Oliver #2 |
| 1935 Residence (County) | Fayette |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 286 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Occupation | Maid |
| Township / Ward | Oliver 2 |
| Est. Birth Year | ~1896 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Novak | Head | — | 80 | ~1860 |
| Mary Novak | Daughter | — | 44 | ~1896 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 22
Allegheny, Pennsylvania · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Hungary |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Slovak |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1930
Cambria, Pennsylvania
Spouse, age 33
Cambria, Pennsylvania · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Hungary |
| Year of Immigration | 1912 |
| Age at First Marriage | 18 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Mother Tongue | Magyar |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Fayette-County, Pennsylvania
Daughter, age 44
Fayette-County, Pennsylvania · implied b. ~1896 — 2 household members
| Surname | Novak |
| Given Name | Mary U |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Hungary |
| 1935 Residence (City) | Oliver #2 |
| 1935 Residence (County) | Fayette |
| Naturalization Status | Alien |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 286 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
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 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Novak (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Novak
b. ~1860
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Novak
Daughter · 1940 · age 44 · b. ~1896 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03506-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stranger J Hedrick | 57 | Head | Laborer | Pennsylvania |
| 42 | Frank P Helong | 47 | Head | Miner | Pennsylvania |
| 43 | Katherine Helong | 48 | Wife | — | Slovakia |
| 44 | Mary L Chesler | 24 | Daughter | Seamstress | Pennsylvania |
| 45 | Adeline Helong | 21 | Daughter | New Worker | Pennsylvania |
| 46 | Albin J Helong | 19 | Son | New Worker | Pennsylvania |
| 47 | Estella Helong | 14 | Daughter | — | Pennsylvania |
| 48 | Sophia Helong | 13 | Daughter | — | Pennsylvania |
| 49 | Irene Helong | 11 | Daughter | — | Pennsylvania |
| 50 | Marlene Helong | 2 | Daughter | — | Pennsylvania |
| 51 | Vasily Popovich | 46 | Head | Sand Blaster | Romania |
| 52 | Ethel Popovich | 32 | Wife | — | Pennsylvania |
| 53 | Alberta Wilburn | 16 | Step-daughter | — | Pennsylvania |
| 54 | James L Wilburn | 15 | Step-son | — | Pennsylvania |
| 55 | George E King | 39 | Head | Painter | Pennsylvania |
| 56 | Ross R Tedrow | 79 | Head | — | Italy |
| 57 | Frank A Hobi | 62 | Head | Miner | Hungary |
| 58 | Anna F Hobi | 54 | Wife | — | Hungary |
| 59 | George M Hobi | 23 | Son | Laborer | Pennsylvania |
| 60 | Frank M Hobi | 21 | Son | Laborer | Pennsylvania |
| 61 | Julia F Hobi | 19 | Daughter | New Worker | Pennsylvania |
| 62 | John W Hobi | 17 | Son | — | Pennsylvania |
| 63 | Pauline L Hobi | 15 | Daughter | — | Pennsylvania |
| 64 | Marie M Hobi | 13 | Daughter | — | Pennsylvania |
| 65 | Sam M Hobi | 10 | Son | — | Pennsylvania |
| 66 | John J Rafetz | 68 | Head | — | Poland |
| 67 | Agnes M Rafetz | 60 | Wife | — | Poland |
| 68 | Rose M Rafetz | 23 | Daughter | Servant | Pennsylvania |
| 69 | Stanley J Rafetz | 24 | Son | Laborer | Pennsylvania |
| 70 | John J Novak | 80 | Head | — | Hungary |
| 71 | Mary U Novak THIS PERSON | 44 | Daughter | Maid | Hungary |
| 72 | Frank Gendruch | 51 | Head | Laborer | Slovakia |
| 73 | Anna Gendruch | 51 | Wife | — | Slovakia |
| 74 | Steve Zehala | 33 | Son-in-law | Representative | Slovakia |
| 75 | Mary J Zehala | 30 | Daughter | — | Slovakia |
| 76 | Eleanor M Zehala | 11 | Daughter | — | Pennsylvania |
| 77 | William J Zehala | 9 | Grandson | — | Pennsylvania |
| 78 | Stephen G Zehala | 4 | Grandson | — | Pennsylvania |
| 79 | Tony Petronis | 50 | Lodger | — | Slovakia |
| 80 | Mike Q Medra | 36 | Head | Laborer | Pennsylvania |
Pedigree Summary
Mary
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)