MH
Mary Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Illinois
Our Model Tree links this Mary Hartman across the 1930 and 1940 US Censuses in Madison-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Illinois |
| Surname | Hartman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Madison Village |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Granite Worker |
| Industry | Nesco |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Granite Worker |
| Township / Ward | Madison Village |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Mary Hartman | Daughter | — | 20 | ~1920 |
| Alice Hartman | Daughter | — | 17 | ~1923 |
| Helen Hartman | Daughter | — | 21 | ~1919 |
| Dorothy Hartman | Daughter | — | 15 | ~1925 |
| Andy Hartman | Head | — | 47 | ~1893 |
| Joe Hartman | Son | — | 7 | ~1933 |
| Andrew Hartman | Son | — | 12 | ~1928 |
| Alice Hartman | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Madison, Illinois
Daughter, age 10
Madison, Illinois · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Austria |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Madison-County, Illinois
Daughter, age 20
Madison-County, Illinois · implied b. ~1920 — 8 household members
| Surname | Hartman |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Madison Village |
| 1935 Residence (County) | Madison |
| Occupation | Granite Worker |
| Industry | Nesco |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Hartman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hartman
Daughter · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Dorothy Hartman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hartman
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Hartman
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Hartman
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Hartman
Sibling · 1940 · age 12
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 — Madison-County, Illinois
Open full size
1940 US Federal Census — Madison-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00850-00959)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Crnkovich | 31 | Head | Owner | Missouri |
| 2 | Agnes Crnkovich | 28 | Wife | — | Illinois |
| 3 | John Jr Crnkovich | 1 | Son | — | Illinois |
| 4 | Florijan Milak | 50 | Lodger | Labor | Yugoslavia |
| 5 | Frank Begovich | 57 | Lodger | Labor | Yugoslavia |
| 6 | Caroline Schneider | 53 | Mother-in-law | — | Yugoslavia |
| 7 | Carl B Hudson | 31 | Head | Carpenter | Illinois |
| 8 | Lorraine Hudson | 23 | Wife | — | Illinois |
| 9 | Joe Novosel | 28 | Head | Bartender | Illinois |
| 10 | Judy Novosel | 27 | Wife | — | Illinois |
| 11 | Rud Kimpotich | 57 | Head | Owner | Austria |
| 12 | Kafina Kimpotich | 49 | Wife | — | Austria |
| 13 | Bogdan Muntian | 30 | Son | Bartender | Illinois |
| 14 | Anastas Skoklo | 41 | Head | Steel Worker | Macedonia |
| 15 | Ann Skoklo | 37 | Wife | Steel Worker | Illinois |
| 16 | Theodor Skoklo | 11 | Son | — | Illinois |
| 17 | Velko Popoff | 67 | Head | Priest | Bulgaria |
| 18 | Rosa Popoff | 64 | Wife | — | Bulgaria |
| 19 | Theodor Helmak | 57 | Head | Chipper | Austria |
| 20 | Eva Helmak | 55 | Wife | — | Austria |
| 21 | Ann Helmak | 25 | Daughter | Steno | Illinois |
| 22 | Andy Hartman | 47 | Head | Steel Worker | Austria |
| 23 | Alice Hartman | 43 | Wife | — | Missouri |
| 24 | Helen Hartman | 21 | Daughter | Sorter | Illinois |
| 25 | Mary Hartman THIS PERSON | 20 | Daughter | Granite Worker | Illinois |
| 26 | Alice Hartman | 17 | Daughter | Housework | Illinois |
| 27 | Dorothy Hartman | 15 | Daughter | — | Illinois |
| 28 | Andrew Hartman | 12 | Son | — | Illinois |
| 29 | Joe Hartman | 7 | Son | — | Illinois |
| 30 | John Dilcoff | 62 | Head | Steel Worker | Bulgaria |
| 31 | Boris Dilcoff | 25 | Son | Driver | Illinois |
| 32 | Roscoe Crasser | 46 | Head | Printer | Indiana |
| 33 | Jeanette Crasser | 43 | Wife | — | Illinois |
| 34 | Dimitro Karagoff | 53 | Head | Operator | Macedonia |
| 35 | Nevenka Karagoff | 38 | Wife | — | Macedonia |
| 36 | Louis Karagoff | 19 | Son | — | Illinois |
| 37 | Chris Karagoff | 17 | Son | — | Illinois |
| 38 | Theodor Stefanoff | 49 | Lodger | Steel Worker | Macedonia |
| 39 | Chris Sideroff | 53 | Lodger | Carpenter | Macedonia |
| 40 | John Petroff | 54 | Head | Steel Worker | Bulgaria |
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)