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Mary Toth — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kane-County, Illinois
Our Model Tree links this Mary Toth across the 1930 and 1940 US Censuses in Kane-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kane-County, Illinois |
| Surname | Toth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Aurora |
| 1935 Residence (County) | Kane |
| Additional Details | |
| Occupation | Machine Worker |
| Industry | W. H. Eads Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machine Worker |
| Township / Ward | Aurora City |
| Est. Birth Year | ~1923 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Julia Toth | Other | — | 48 | ~1892 |
| Betty Toth | Daughter | — | 6 | ~1934 |
| Violet Toth | Daughter | — | 8 | ~1932 |
| Victor Dengar | Head | — | 40 | ~1900 |
| Catherine Dengar | Spouse | — | 37 | ~1903 |
| Leo Toth | Son | — | 13 | ~1927 |
| Russel Toth | Son | — | 11 | ~1929 |
| Mary Toth | Daughter | — | 17 | ~1923 |
| John Toth | Son | — | 15 | ~1925 |
Census Appearances
1930
Kane, Illinois
Daughter, age 7
Kane, Illinois · implied b. ~1923 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Toth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Rumania |
| Mother's Birthplace | Rumania |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kane-County, Illinois
Daughter, age 17
Kane-County, Illinois · implied b. ~1923 — 9 household members
| Surname | Toth |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Aurora |
| 1935 Residence (County) | Kane |
| Occupation | Machine Worker |
| Industry | W. H. Eads Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Toth across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Toth
Daughter · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Violet Toth
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Toth
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russel Toth
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Toth
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Toth
Sibling · 1940 · age 6
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
1940 US Federal Census — Kane-County, Illinois
Open full size
1940 US Federal Census — Kane-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00820-00165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Moisa | 46 | Head | Blacksmith | Rumania |
| 42 | Florence Moisa | 67 | Mother | — | Rumania |
| 43 | John Moisa | 27 | Son | Welder | Illinois |
| 44 | Violet Moisa | 23 | Wife | Machine Operator | Illinois |
| 45 | Richard Moisa | 27 | Son | — | Illinois |
| 46 | Mary Moisa | 17 | Daughter | — | Illinois |
| 47 | William Simone | 33 | Head | Electrician | Illinois |
| 48 | Christina Simone | 30 | Mother | — | Iowa |
| 49 | Elaine Simone | 8 | Daughter | — | Wisconsin |
| 50 | Millicent Simone | 3 | Son | — | Illinois |
| 51 | George Nagy | 48 | Head | Blacksmith | Rumania |
| 52 | Eleanor Nagy | 23 | Daughter | Folder | Illinois |
| 53 | Marie Nagy | 21 | Daughter | Manager | Illinois |
| 54 | Frank Hengy | 52 | Head | Blacksmith | Rumania |
| 55 | Florence Hengy | 52 | Mother | — | Rumania |
| 56 | Mary Hengy | 25 | Daughter | Secretary | Illinois |
| 57 | Frank Jr. Hengy | 23 | Son | Operator | Illinois |
| 58 | Emile Hengy | 21 | Daughter | Nursing | Illinois |
| 59 | Louis Silagy | 51 | Head | Machine Worker | Rumania |
| 60 | Mary Silagy | 51 | Mother | — | Rumania |
| 61 | Florence Silagy | 16 | Daughter | — | Illinois |
| 62 | John Tesco | 47 | Lodger | Outside Work | Rumania |
| 63 | Victor Dengar | 40 | Head | Punch Press Oper | Rumania |
| 64 | Catherine Dengar | 37 | Wife | — | Illinois |
| 65 | Julia Toth | 48 | Mother | — | Rumania |
| 66 | Mary Toth THIS PERSON | 17 | Daughter | Machine Worker | Illinois |
| 67 | John Toth | 15 | Son | — | Illinois |
| 68 | Leo Toth | 13 | Son | — | Illinois |
| 69 | Russel Toth | 11 | Son | — | Illinois |
| 70 | Violet Toth | 8 | Daughter | — | Illinois |
| 71 | Betty Lorraine Toth | 6 | Daughter | — | Illinois |
| 72 | George Todes | 43 | Head | Brake Shoe Worker | Rumania |
| 73 | Teresa Todes | 38 | Mother | — | Rumania |
| 74 | John Todes | 17 | Son | — | Illinois |
| 75 | George Jr. Todes | 15 | Son | — | Illinois |
| 76 | Nickie Todes | 13 | Son | — | Illinois |
| 77 | Louis Todes | 10 | Son | — | Illinois |
| 78 | Helen Todes | 8 | Daughter | — | Illinois |
| 79 | John Dereski | 41 | Head | Laborer | Rumania |
| 80 | Julia Dereski | 36 | Mother | — | Rumania |
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)