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Mary Bender — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Mary Bender across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: Lithuania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Naturalization Status | Naturalized |
| Additional Details | |
| 1935 Residence | Same house |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1892 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hadem Bender | Head | — | 53 | ~1887 |
| Mary Bender | Spouse | — | 48 | ~1892 |
| Adam Bender | Son | — | 25 | ~1915 |
Census Appearances
1920
Sangamon, Illinois
Spouse, age 28
Sangamon, Illinois · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1910 |
| Naturalization Status | Alien |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1930
Sangamon, Illinois
Other, age 40
Sangamon, Illinois · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Alien |
| Year of Immigration | 1910 |
| Age at First Marriage | 21 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Lithuanian |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Sangamon-County, Illinois
Spouse, age 48
Sangamon-County, Illinois · implied b. ~1892 — 3 household members
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Lithuania |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Naturalization Status | Naturalized |
| 1935 Residence | Same house |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 Bender across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Bender
Spouse · 1940 · age 48 · b. ~1892 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00885-00303)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gloria Hagelmeier | 4 | Daughter | — | Illinois |
| 2 | George Sintana | 35 | Head | Miner | Pennsylvania |
| 3 | Mary Sintana | 33 | Wife | Machine Operator | Hungary |
| 4 | George Sintana | 10 | Son | — | Illinois |
| 5 | Billie Sintana | 9 | Son | — | Illinois |
| 6 | Tony Yezdauski | 50 | Head | Miner | Lithuania |
| 7 | Anna Yezdauski | 50 | Wife | — | Lithuania |
| 8 | Tony Yezdauski | 23 | Son | Typist Clerk | Illinois |
| 9 | William Hill | 41 | Head | Caretaker | Illinois |
| 10 | Anna Hill | 39 | Wife | — | Germany |
| 11 | Theresa Hill | 16 | Daughter | — | Illinois |
| 12 | John Hill | 14 | Son | — | Michigan |
| 13 | Kunigunda Hill | 72 | Mother-in-law | — | Germany |
| 14 | Ted Buergin | 40 | Head | Truck Driver | Wisconsin |
| 15 | Leona Buergin | 37 | Wife | Forelady | Illinois |
| 16 | Harriet Buergin | 15 | Daughter | — | Illinois |
| 17 | Robert Snow | 54 | Head | Carpenter | Illinois |
| 18 | Mahalie Snow | 54 | Wife | — | Alabama |
| 19 | Robert Snow | 21 | Son | Laborer | Arkansas |
| 20 | Evelyn Snow | 19 | Daughter | Home Work | Arkansas |
| 21 | Philip Snow | 16 | Son | — | Arkansas |
| 22 | Kathlyn Snow | 12 | Daughter | — | Illinois |
| 23 | Hadem Bender | 53 | Head | Miner | Lithuania |
| 24 | Mary Bender THIS PERSON | 48 | Wife | — | Lithuania |
| 25 | Adam Bender | 25 | Son | Machinist | Illinois |
| 26 | Julius Leffebin | 73 | Head | Night Watchman | Germany |
| 27 | Ida Leffebin | 66 | Wife | — | Germany |
| 28 | Mike Sulaki | 52 | Head | Miner | Hungary |
| 29 | Elizabeth Sulaki | 52 | Wife | — | Hungary |
| 30 | Frank Sulaki | 21 | Son | Dish Washer | Illinois |
| 31 | Helen Sulaki | 18 | Daughter | — | Illinois |
| 32 | Leo Sulaki | 15 | Son | — | Illinois |
| 33 | George Britz | 31 | Head | Contractor | Illinois |
| 34 | Dorothy Britz | 25 | Wife | — | Illinois |
| 35 | Sandra Lou Britz | 2 | Daughter | — | Illinois |
| 36 | Grover Miller | 52 | Head | Emery Wheel | Illinois |
| 37 | Lillian Miller | 53 | Wife | — | Illinois |
| 38 | James Mitzmaker | 35 | Head | Meter Grapher | Illinois |
| 39 | Kathryn Mitzmaker | 32 | Wife | — | Illinois |
| 40 | Ethel Mitzmaker | 14 | Daughter | — | Illinois |
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)