MP
Mary Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monroe-County, New York
Our Model Tree links this Mary Preston across the 1930 and 1940 US Censuses in Monroe-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, New York |
| Surname | Preston |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Greece |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Industry | S |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Greece |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Preston | Son | — | 11 | ~1929 |
| Charles Preston | Head | — | 59 | ~1881 |
| Walter Preston | Son | — | 13 | ~1927 |
| Helen Preston | Daughter | — | 20 | ~1920 |
| Adrianna Preston | Other | — | 24 | ~1916 |
| Clarence Preston | Son | — | 28 | ~1912 |
| Margaret Preston | Daughter | — | 22 | ~1918 |
| Edward Preston | Other | — | ~1940 | |
| Clara Preston | Spouse | — | 54 | ~1886 |
| Bernard Preston | Son | — | 18 | ~1922 |
| Mary Preston | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Monroe, New …
Daughter, age 6
Monroe, New York · implied b. ~1924 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Monroe-County, New …
Daughter, age 16
Monroe-County, New York · implied b. ~1924 — 11 household members
| Surname | Preston |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Greece |
| 1935 Residence (County) | Monroe |
| Industry | S |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 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 Preston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Preston
Daughter · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
Helen Preston
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Preston
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Preston
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Preston
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Preston
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Preston
Sibling · 1940 · age 11
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 — Monroe-County, New York
Open full size
1940 US Federal Census — Monroe-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02678-00732)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Wolf | 18 | boarder | Mess Worker | New York |
| 42 | Quell Owen | 30 | head | Clergyman | New York |
| 43 | Elizabeth Owen | 29 | wife | — | New York |
| 44 | William Harris Owen | 1 | son | 0 | New York |
| 45 | Harlan Owen | 0 | son | 0 | New York |
| 46 | Kenneth Gray | 29 | head | Construction Engineer | New York |
| 47 | Eva Gray | 27 | wife | Housewife | England |
| 48 | Alfred L. Happ | 58 | head | Farmer | New York |
| 49 | Nettie A. Happ | 57 | wife | — | Canada |
| 50 | Ray Happ | 28 | head | Paper Tester | New York |
| 51 | Luella Happ | 28 | wife | — | New York |
| 52 | Manley Finch | 68 | head | — | New York |
| 53 | Harold Finch | 47 | son | Plater Foreman | New York |
| 54 | Jeannette Finch | 39 | daughter | Stenographer | New York |
| 55 | Geo. E. Shaw | 46 | head | Carpenter | Canada |
| 56 | Adelaide Shaw | 39 | wife | Practical Nurse | New York |
| 57 | Thomas Shaw | 18 | son | Farmer | New York |
| 58 | Betty Shaw | 16 | daughter | — | New York |
| 59 | John Shaw | 13 | son | — | New York |
| 60 | Doris Mae Shaw | 11 | daughter | — | New York |
| 61 | William Shaw | 5 | son | — | New York |
| 62 | Ruth Shaw | 3 | daughter | — | New York |
| 63 | George Laduke | 62 | head | Laborer | New York |
| 64 | Helen Laduke | 64 | wife | — | New York |
| 65 | Margaret Laduke | 22 | daughter | Punch Press Operator | New York |
| 66 | William A. Weiss | 27 | head | Tool & Die Maker | New York |
| 67 | Eleanor Weiss | 34 | wife | — | New York |
| 68 | Eugene Weiss | 11 | son | — | New York |
| 69 | Roger Allen Weiss | 2 | son | — | New York |
| 70 | Charles Preston | 59 | head | Farmer | New York |
| 71 | Clara Preston | 54 | wife | — | Kansas |
| 72 | Margaret Preston | 22 | daughter | Film Inspector | New York |
| 73 | Helen Preston | 20 | daughter | Housework | New York |
| 74 | Bernard Preston | 18 | son | Farmer | New York |
| 75 | Mary Preston THIS PERSON | 16 | daughter | — | New York |
| 76 | Walter Preston | 13 | son | — | New York |
| 77 | George Preston | 11 | son | — | New York |
| 78 | Clarence Preston | 28 | son | Farmer | New York |
| 79 | Adrianna Preston | 24 | daughter-in-law | — | New York |
| 80 | Edward Preston | 0 | grandson | 0 | 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)