MP
Mary Preston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berrien-County, Michigan
Our Model Tree links this Mary Preston across the 1930 and 1940 US Censuses in Berrien-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berrien-County, Michigan |
| Surname | Preston |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Berrien |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | St Joseph City |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| James Preston | Son | — | 11 | ~1929 |
| Phyllis Preston | Spouse | — | 45 | ~1895 |
| Mary Preston | Daughter | — | 15 | ~1925 |
| Thomas Preston | Son | — | 17 | ~1923 |
| Ann Preston | Daughter | — | 19 | ~1921 |
| John Preston | Head | — | 46 | ~1894 |
Census Appearances
1930
Berrien, Michigan
Daughter, age 5
Berrien, Michigan · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Preston |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Berrien-County, Michigan
Daughter, age 15
Berrien-County, Michigan · implied b. ~1925 — 6 household members
| Surname | Preston |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St. Joseph City |
| 1935 Residence (County) | Berrien |
| Hours Worked | 6 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| 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
Daughter · 1940 · age 15 · b. ~1925 · Michigan
★ You are viewing this record
Sibling
Ann Preston
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Preston
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Preston
Sibling · 1940 · age 17
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 — Berrien-County, Michigan
Open full size
1940 US Federal Census — Berrien-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01733-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary L. Grayson | 6 | daughter | — | Michigan |
| 42 | Dent Bennett | 52 | head | Salesman | Illinois |
| 43 | Clara J. Bennett | 51 | wife | — | Illinois |
| 44 | John J. Bennett | 17 | son | — | Illinois |
| 45 | Franklin E. Blanchard | 50 | head | Manufacturing | Kansas |
| 46 | Madge E. Blanchard | 55 | wife | — | Michigan |
| 47 | James E. Ball | 38 | head | Office Work | Pennsylvania |
| 48 | Florence E. Ball | 38 | wife | — | New Jersey |
| 49 | Barbara Ball | 10 | daughter | — | Indiana |
| 50 | James B. Ball | 3 | son | — | Michigan |
| 51 | Gertrude L. Damashe | 19 | Maid | Housekeeper | Michigan |
| 52 | Evelyn M. Burkholder | 46 | head | Assistant Manager | Illinois |
| 53 | Frances C. Burkholder | 42 | wife | — | Michigan |
| 54 | Cynthia M. Burkholder | 9 | daughter | — | Michigan |
| 55 | Ella M. James | 27 | Maid | Housekeeper | Arkansas |
| 56 | John D. Preston | 46 | head | Assistant Manager | Michigan |
| 57 | Phyllis W. Preston | 45 | wife | — | Michigan |
| 58 | Ann E. Preston | 19 | daughter | — | Michigan |
| 59 | Thomas W. Preston | 17 | son | — | Michigan |
| 60 | Mary A. Preston THIS PERSON | 15 | daughter | — | Michigan |
| 61 | James G. Preston | 11 | son | — | Michigan |
| 62 | William W. Lavin | 49 | head | Assistant Manager | Illinois |
| 63 | Louise B. Lavin | 45 | wife | — | Illinois |
| 64 | Betty Lou Lavin | 19 | daughter | — | Michigan |
| 65 | William W. Lavin | 18 | son | — | Michigan |
| 66 | George V. Lewis | 40 | head | Artist | Missouri |
| 67 | Bernette C. Lewis | 32 | wife | — | Illinois |
| 68 | Robert D. Lewis | 5 | son | — | Illinois |
| 69 | Le Nina M. Adrain | 31 | head | — | Michigan |
| 70 | Ruth J. Adrain | 12 | daughter | — | Michigan |
| 71 | Arthur W. Adrain | 10 | son | — | Michigan |
| 72 | William M. Adrain | 8 | son | — | Michigan |
| 73 | Lamar Watts | 31 | head | — | Michigan |
| 74 | Louise Marie Watts | 11 | daughter | — | Michigan |
| 75 | Jack Friedrich Watts | 7 | son | — | Michigan |
| 76 | John Karsten | 69 | head | Selling Baby Chicks | Germany |
| 77 | Clara M. Karsten | 72 | wife | — | Michigan |
| 78 | Estelle M. Harrison | 61 | daughter | Stenographer | Michigan |
| 79 | Eral A. Yates | 34 | head | Day Labor. | Michigan |
| 80 | Marie J. Yates | 32 | wife | — | 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)