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Mary Bender — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ontario-County, New York
Our Model Tree links this Mary Bender across the 1930 and 1940 US Censuses in Ontario-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ontario-County, New York |
| Surname | Bender |
| Given Name | Mary J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Canandaigua |
| 1935 Residence (County) | Ontario |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Canandaigua |
| Est. Birth Year | ~1928 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Bender | Daughter | — | 17 | ~1923 |
| Charles Bender | Son | — | 10 | ~1930 |
| Mary Bender | Daughter | — | 12 | ~1928 |
| Mable Bender | Spouse | — | 48 | ~1892 |
| Lawrence Bender | Son | — | 16 | ~1924 |
| Harold Bender | Head | — | 31 | ~1909 |
Census Appearances
1930
Ontario, New …
Daughter, age 2
Ontario, New York · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bender |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Ontario-County, New …
Daughter, age 12
Ontario-County, New York · implied b. ~1928 — 6 household members
| Surname | Bender |
| Given Name | Mary J. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Canandaigua |
| 1935 Residence (County) | Ontario |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bender
Daughter · 1940 · age 12 · b. ~1928 · New York
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Sibling
Elizabeth Bender
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Bender
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Bender
Sibling · 1940 · age 16
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 — Ontario-County, New York
Open full size
1940 US Federal Census — Ontario-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02706-00157)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vincent Martino | 22 | head | Attendant | New York |
| 42 | Ada Martino | 18 | wife | — | New York |
| 43 | James W. Fox | 35 | head | Mechanic | New York |
| 44 | Florence A. Fox | 33 | wife | — | New York |
| 45 | James W. Fox | 15 | son | — | New York |
| 46 | Jack W. Fox | 16 | son | — | New York |
| 47 | Frederick Fox | 13 | son | — | New York |
| 48 | Larry Mason | 50 | mother-in-law | Cook | New York |
| 49 | John A. Ambrose | 42 | head | Tinsmith | Italy |
| 50 | Lena B. Ambrose | 30 | wife | — | Italy |
| 51 | Gloria C. Ambrose | 8 | daughter | — | New York |
| 52 | John Jr. Ambrose | 5 | son | — | New York |
| 53 | Dominic Arico | 44 | head | Laborer | Italy |
| 54 | Catherine Arico | 39 | wife | — | Italy |
| 55 | Anthony Arico | 16 | son | Laborer | Italy |
| 56 | Joseph Arico | 5 | son | — | New York |
| 57 | Annie M. Arico | 4 | daughter | — | New York |
| 58 | Dominic Jr. Arico | 2 | son | — | New York |
| 59 | Michael Lenzi | 27 | head | Driver | New York |
| 60 | Elizabeth Lenzi | 22 | wife | — | New York |
| 61 | Margia A. Lenzi | 0 | daughter | — | New York |
| 62 | Joseph Lenzi | 19 | brother | Laborer | New York |
| 63 | James Lenzi | 17 | brother | Laborer | New York |
| 64 | Harold F. Bender | 31 | head | Laborer | New York |
| 65 | Mable G. Bender | 48 | wife | — | Penn |
| 66 | Elizabeth T. Bender | 17 | daughter | — | New York |
| 67 | Lawrence A. Bender | 16 | son | — | New York |
| 68 | Mary J. Bender THIS PERSON | 12 | daughter | — | New York |
| 69 | Charles H. Bender | 10 | son | — | New York |
| 70 | Warren A. Lane | 46 | head | Pressman | Penn |
| 71 | Margie C. Lane | 42 | wife | — | New York |
| 72 | Margaret I. Lane | 19 | daughter | — | New York |
| 73 | John W. Lane | 15 | son | — | New York |
| 74 | Charlotte Lane | 10 | daughter | — | New York |
| 75 | John G. Flotte | 70 | father-in-law | Laborer | New York |
| 76 | Frank Cutri | 52 | head | Contractor | Italy |
| 77 | Angeline Cutri | 47 | wife | — | Italy |
| 78 | Mary Cutri | 27 | daughter | Machinist | New York |
| 79 | Catherine Cutri | 25 | daughter | Machinist | New York |
| 80 | Frank Jr. Cutri | 23 | son | Cabinet Maker | New York |
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)