MN
Mary Novak — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Colfax-County, Nebraska
Our Model Tree links this Mary Novak across the 1930 and 1940 US Censuses in Colfax-County, Nebraska (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 8-person household.
Age 71
b. ~1869
Female
Head
Born: Czechoslovakia
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Colfax-County, Nebraska |
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | Howells Village |
| 1935 Residence (County) | Colfax |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
| Township / Ward | Howells Village |
| Est. Birth Year | ~1869 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marcheta Novak | Daughter | — | 15 | ~1925 |
| Ann Novak | Spouse | — | 45 | ~1895 |
| Margery Novak | Daughter | — | 19 | ~1921 |
| Fred Novak | Son | — | 46 | ~1894 |
| Mary Novak | Daughter | — | 21 | ~1919 |
| Mary Novak | Head | — | 71 | ~1869 |
| Fred Novak | Son | — | 12 | ~1928 |
| Monica Novak | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Colfax, Nebraska
Spouse, age 61
Colfax, Nebraska · implied b. ~1869 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Novak |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Czechoslovakia |
| Naturalization Status | First papers filed |
| Year of Immigration | 1876 |
| Age at First Marriage | 19 |
| Father's Birthplace | Czechoslovakia |
| Mother's Birthplace | Czechoslovakia |
| Can Read/Write | Yes |
| Mother Tongue | Czech |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
1940
Colfax-County, Nebraska
Head, age 71
Colfax-County, Nebraska · implied b. ~1869 — 8 household members
| Surname | Novak |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Czechoslovakia |
| 1935 Residence (City) | Howells Village |
| 1935 Residence (County) | Colfax |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Czechoslovakia |
| Birthplace (normalized) | czechoslovakia |
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
Head · 1940 · age 71 · b. ~1869 · Nebraska
★ 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 — Colfax-County, Nebraska
Open full size
1940 US Federal Census — Colfax-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02241-00732)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Petricek | 53 | Wife | — | Nebraska |
| 42 | Ronnie Petricek | 19 | Daughter | — | Nebraska |
| 43 | Rosie Petricek | 53 | Head | — | Nebraska |
| 44 | Mary Petricek | 58 | Sister | — | Nebraska |
| 45 | Francis Heser | 57 | Head | — | Nebraska |
| 46 | Alice Heser | 29 | Daughter | Teacher | South Dakota |
| 47 | Minnie Prague | 46 | Sister | — | Nebraska |
| 48 | Leo Prague | 52 | Brother | — | Nebraska |
| 49 | Louise Phelps | 59 | Lodger | Teacher | Nebraska |
| 50 | Mary Zacek | 76 | Head | — | Czechoslovakia |
| 51 | Mary Novak THIS PERSON | 71 | Head | — | Czechoslovakia |
| 52 | Fred Novak | 46 | Son | Supervisor | Nebraska |
| 53 | Ann K. Novak | 45 | Wife | — | Nebraska |
| 54 | Mary Ann Novak | 21 | Daughter | Waitress | Nebraska |
| 55 | Margery A. Novak | 19 | Daughter | Teacher | Nebraska |
| 56 | Monica A. Novak | 17 | Daughter | — | Nebraska |
| 57 | Marcheta A. Novak | 15 | Daughter | — | Nebraska |
| 58 | Fred J. Novak | 12 | Son | — | Nebraska |
| 59 | Gerhard Bell | 62 | Head | — | Germany |
| 60 | Anna Bell | 60 | Wife | — | Iowa |
| 61 | Elizabeth Reicks | 51 | Sister | — | Nebraska |
| 62 | Emil J. Imansky | 37 | Head | Welding | Nebraska |
| 63 | Sophie Imansky | 30 | Wife | — | Nebraska |
| 64 | Dolores Imansky | 10 | Daughter | — | Nebraska |
| 65 | Emil T. Imansky | 1 | Son | — | Nebraska |
| 66 | Lad. Prerovsky | 55 | Head | — | Czechoslovakia |
| 67 | Mary Prerovsky | 46 | Wife | — | Nebraska |
| 68 | Joseph Prerovsky | 14 | Son | — | Nebraska |
| 69 | James J. Malena | 36 | Head | Gas & Oil Salesman | Nebraska |
| 70 | Helen S. Malena | 34 | Wife | — | Nebraska |
| 71 | David J. Malena | 9 | Son | — | Nebraska |
| 72 | Monica Malena | 6 | Daughter | — | Nebraska |
| 73 | Vaclav Malena | 67 | Father | — | Czechoslovakia |
| 74 | Mary Malena | 64 | Mother | — | Czechoslovakia |
| 75 | Frank Barta | 68 | Head | — | Czechoslovakia |
| 76 | Mildred De Rock | 32 | Daughter | — | Nebraska |
| 77 | Eugene De Rock | 12 | Grand-son | — | Nebraska |
| 78 | Joyce De Rock | 7 | Grand-daughter | — | Nebraska |
| 79 | Clara Holoubek | 60 | Head | — | Nebraska |
| 80 | John Cejda | 63 | Head | Carpenter | Nebraska |
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)