MP
Mary Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bay-County, Michigan
Our Model Tree links this Mary Preston across the 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 11-person household.
Age 38
b. ~1902
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bay-County, Michigan |
| Surname | Preston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bay City |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Nancy Preston | Daughter | — | 7 | ~1933 |
| Richard Preston | Son | — | 13 | ~1927 |
| Clifford Preston | Son | — | 14 | ~1926 |
| Amos Preston | Head | — | 39 | ~1901 |
| William Preston | Son | — | 9 | ~1931 |
| Kenneth Preston | Son | — | 4 | ~1936 |
| Dorothy Preston | Daughter | — | 16 | ~1924 |
| Mary Preston | Spouse | — | 38 | ~1902 |
| Virginia Preston | Daughter | — | 18 | ~1922 |
| Gertrude Preston | Daughter | — | 11 | ~1929 |
| Donald Preston | Son | — | 6 | ~1934 |
Census Appearances
1930
Bay, Michigan
Spouse, age 28
Bay, Michigan · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | May |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 18 |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Bay-County, Michigan
Spouse, age 38
Bay-County, Michigan · implied b. ~1902 — 11 household members
| Surname | Preston |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| Hours Worked | 0 |
| Highest Grade | No 7 |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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
Spouse · 1940 · age 38 · b. ~1902 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bay-County, Michigan
Open full size
1940 US Federal Census — Bay-County, Michigan
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01728-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Philip Winson | 71 | Head | — | Michigan |
| 42 | Zelphia M Beffrey | 29 | Daughter | — | Michigan |
| 43 | Raymond A Beffrey | 35 | Son in law | Janitor | Michigan |
| 44 | Russell S Beffrey | 7 | Grandson | — | Michigan |
| 45 | Joyce M Giddings | 13 | Granddaughter | — | Michigan |
| 47 | Bart D Dean | 29 | Head | Salesman | Michigan |
| 48 | Lilah R Dean | 28 | Wife | — | Wisconsin |
| 49 | Bart D 2Nd Dean | 1 | Son | — | Michigan |
| 50 | Erwin A Schneineberg | 37 | Head | Switchman | Michigan |
| 51 | Leona Schneineberg | 38 | Wife | — | Michigan |
| 52 | Charles E Schneineberg | 12 | Son | — | Michigan |
| 53 | Robert M Schneineberg | 10 | Son | — | Michigan |
| 54 | Helen M Schneineberg | 6 | Daughter | — | Michigan |
| 55 | Thomas W Schneineberg | 2 | Son | — | Michigan |
| 56 | Alfred J Hayner | 32 | Head | Stationary Fireman | Michigan |
| 57 | Dorothy C Hayner | 29 | Wife | — | Ohio |
| 58 | Allen T Hayner | 1 | Son | — | Michigan |
| 63 | John Browning | 54 | Head | Chauffeur | Michigan |
| 64 | Daisy Browning | 52 | Wife | — | England |
| 65 | Clara J Browning | 28 | Daughter | Book Keeper | Michigan |
| 66 | Mona D Browning | 21 | Daughter | Saleslady | Michigan |
| 67 | Amos Preston | 39 | Head | Truck Driver | Michigan |
| 68 | Mary Preston THIS PERSON | 38 | Wife | — | Michigan |
| 69 | Virginia M Preston | 18 | Daughter | New Worker | Michigan |
| 70 | Dorothy L Preston | 16 | Daughter | — | Michigan |
| 71 | Clifford A Preston | 14 | Son | — | Michigan |
| 72 | Richard J Preston | 13 | Son | — | Michigan |
| 73 | Gertrude J Preston | 11 | Daughter | — | Michigan |
| 74 | William E Preston | 9 | Son | — | Michigan |
| 75 | Nancy A Preston | 7 | Daughter | — | Michigan |
| 76 | Donald R Preston | 6 | Son | — | Michigan |
| 77 | Kenneth L Preston | 4 | Son | — | Michigan |
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)