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Mary Bender — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lorain-County, Ohio
Our Model Tree links this Mary Bender across the 1920, 1930 and 1940 US Censuses in Lorain-County, Ohio (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lorain-County, Ohio |
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lorain City |
| 1935 Residence (County) | Lorain |
| Additional Details | |
| Occupation | Book repairer |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Book Repairer |
| Township / Ward | Lorain City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Patricia Bender | Daughter | — | 2 | ~1938 |
| Madge Urban | Other | — | 1 | ~1939 |
| Rudolph Urban | Other | — | 37 | ~1903 |
| Mary Bender | Daughter | — | 23 | ~1917 |
| Margaret Urban | Daughter | — | 28 | ~1912 |
| Teresa Bender | Spouse | — | 59 | ~1881 |
| Frank Bender | Head | — | 69 | ~1871 |
| John Bender | Son | — | 26 | ~1914 |
Census Appearances
1920
Lorain, Ohio
Daughter, age 3
Lorain, Ohio · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lorain, Ohio
Daughter, age 13
Lorain, Ohio · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lorain-County, Ohio
Daughter, age 23
Lorain-County, Ohio · implied b. ~1917 — 8 household members
| Surname | Bender |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lorain City |
| 1935 Residence (County) | Lorain |
| Occupation | Book repairer |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 52 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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. Identified parents: father Frank Bender (~0.92 confidence) and father Frank Bender (~0.92 confidence) and father Frank Bender (~0.92 confidence) and mother Teresa Bender (~0.92 confidence) and mother Theresa Bender (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Bender
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Frank Bender
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Frank Bender
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Teresa Bender
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Theresa Bender
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Bender
Daughter · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Margaret Urban
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Bender
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Bender
Sibling · 1940 · age 26
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 — Lorain-County, Ohio
Open full size
1940 US Federal Census — Lorain-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03102-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia Ondick | 38 | Wife | — | Slovakia |
| 2 | Robert Ondick | 17 | Son | — | Ohio |
| 3 | Georgene Ondick | 11 | Daughter | — | Ohio |
| 4 | Michael Savulak | 46 | Head | Manager | Slovakia |
| 5 | Mary Savulak | 44 | Wife | — | Slovakia |
| 6 | Helen Savulak | 21 | Daughter | Stenographer | Pennsylvania |
| 7 | Michael Ab Savulak | 19 | Son | — | Pennsylvania |
| 8 | Zofia Buffa | 61 | Head | Waitress | Slovakia |
| 9 | Charles Buffa | 23 | Son | Bartender | Ohio |
| 10 | Irene Hromada | 16 | Niece | — | Ohio |
| 11 | George Warkola | 39 | Head | Stationary Engineer | Pennsylvania |
| 12 | Pauline Warkola | 31 | Wife | — | Ohio |
| 13 | Richard Warkola | 12 | Son | — | Ohio |
| 14 | Arlene Warkola | 8 | Daughter | — | Ohio |
| 15 | Frank Bender | 69 | Head | — | Germany |
| 16 | Teresa Bender | 59 | Wife | — | Germany |
| 17 | John H Bender | 26 | Son | Dispatcher | Ohio |
| 18 | Mary Bender THIS PERSON | 23 | Daughter | Book Repairer | Ohio |
| 19 | Patricia A Bender | 2 | Daughter | — | Ohio |
| 20 | Rudolph Urban | 37 | Son-in-law | Sub-Station Operator | Slovakia |
| 21 | Margaret E Urban | 28 | Daughter | — | Ohio |
| 22 | Madge Ellen Urban | 1 | Granddaughter | — | Ohio |
| 23 | Albert Goeke | 24 | Head | Inspector | Ohio |
| 24 | Dorothy Goeke | 21 | Wife | — | Ohio |
| 25 | Margaret Brickner | 62 | Head | — | Ohio |
| 26 | John Korngage | 48 | Head | Roll Setter | Poland |
| 27 | Frances Korngage | 39 | Wife | — | Poland |
| 28 | Mary M Korngage | 18 | Daughter | New Worker | West Virginia |
| 29 | Stephen Bojik | 45 | Head | Hobbleman | Slovakia |
| 30 | Pauline Bojik | 40 | Wife | — | Slovakia |
| 31 | Margaret Bojik | 19 | Daughter | Billing Clerk | Ohio |
| 32 | Eleanore Bojik | 13 | Daughter | — | Ohio |
| 33 | Edward Bojik | 10 | Son | — | Ohio |
| 34 | Bernice Bojik | 9 | Daughter | — | Ohio |
| 35 | Justin Minnich | 43 | Head | Lawyer | Ohio |
| 36 | Pillion Ethel Minnich | 36 | Wife | Medical Doctor | Ohio |
| 37 | Rudolph Kubasek | 50 | Head | Druggist | Slovakia |
| 38 | Anna Kubasek | 48 | Wife | — | Slovakia |
| 39 | Victor Kubasek | 23 | Son | Pharmacist | Illinois |
| 40 | Rudolph Kubasek | 22 | Son | — | Illinois |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 5 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)