MF
Mary Frost — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Saginaw-County, Michigan
Our Model Tree links this Mary Frost across the 1920, 1930 and 1940 US Censuses in Saginaw-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Saginaw-County, Michigan |
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Saginaw City |
| 1935 Residence (County) | Saginaw |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Saginaw City |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Delores Frost | Daughter | — | 23 | ~1917 |
| Ernest Frost | Head | — | 60 | ~1880 |
| Mary Frost | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Saginaw, Michigan
Spouse, age 34
Saginaw, Michigan · implied b. ~1886 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Saginaw, Michigan
Other, age 45
Saginaw, Michigan · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | May |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada-English |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Saginaw-County, Michigan
Spouse, age 55
Saginaw-County, Michigan · implied b. ~1885 — 3 household members
| Surname | Frost |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Saginaw City |
| 1935 Residence (County) | Saginaw |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| 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 Frost across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Frost
Spouse · 1940 · age 55 · b. ~1885 · 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 — Saginaw-County, Michigan
Open full size
1940 US Federal Census — Saginaw-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01812-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Grier | 9 | Son | — | Michigan |
| 42 | Elizabeth Grier | 5 | Daughter | — | Michigan |
| 43 | Patricia Grier | 3 | Daughter | — | Michigan |
| 44 | J. W. Troy | 45 | Head | Accountant | Michigan |
| 45 | Rose Troy | 46 | Wife | — | Michigan |
| 46 | Margaret Mary Troy | 16 | Daughter | — | Michigan |
| 47 | Robert John Troy | 12 | Son | — | Michigan |
| 48 | George B. Whitney | 78 | Head | — | Michigan |
| 49 | Edith Whitney | 77 | Wife | — | Ohio |
| 50 | Ralph H. Keck | 48 | Head | Assistant Superintendant | Indiana |
| 51 | Mary Elizabeth Keck | 35 | Wife | — | Michigan |
| 52 | Kathryn Marie Keck | 26 | Daughter | Stenographer | Washington |
| 53 | Harry E. Eilson|Wilson | 60 | Head | Secretary Of Soldiers Relief | Ohio |
| 54 | Gladys A. Eilson|Wilson | 53 | Wife | — | Michigan |
| 55 | William J. Schmidt | 42 | Head | Laborer | Michigan |
| 56 | Margaret Schmidt | 40 | Wife | — | Michigan |
| 57 | Herbert Rockhamel|Rockhammel | 34 | Head | Assistant Cashier | Michigan |
| 58 | Hazel Rockhamel|Rockhammel | 29 | Wife | — | Michigan |
| 59 | Ernest Frost | 60 | Head | Foreman | Michigan |
| 60 | Mary Frost THIS PERSON | 55 | Wife | — | Michigan |
| 61 | Delores Frost | 23 | Daughter | Spring Tester | Michigan |
| 62 | Harold L. Russell | 30 | Head | Clerk | Michigan |
| 63 | Mary Russell | 28 | Wife | — | Indiana |
| 64 | William C. Fleming | 9 | Son | — | Illinois |
| 65 | Maud Dougherty | 72 | Mother-in-law | — | Pennsylvania |
| 66 | Frances Merthauer | 64 | Head | — | Canada-English |
| 67 | John Merthauer | 23 | Son | Laborer | Michigan |
| 68 | Frederick Merthauer | 21 | Son | Machine Shop | Michigan |
| 69 | Kate Philomy | 67 | Head | Moulder | Canada-English |
| 70 | Margaret Philomy | 65 | Wife | — | Canada-English |
| 71 | Margaret Philomy | 34 | Daughter | Chief Operator | Michigan |
| 72 | Albert Chlow | 36 | Son-in-law | Truck Driver | Michigan |
| 73 | Kathryn Chlow | 27 | Daughter | — | Michigan |
| 74 | Albert Charles Chlow | 2 | Grandson | — | Michigan |
| 75 | Junior Borchers | 39 | Head | Salesman | Michigan |
| 76 | Marie Borchers | 35 | Wife | — | Ohio |
| 77 | Irvin Borchers | 18 | Son | — | Michigan |
| 78 | Ralph Kapitan | 17 | Step-son | — | Ohio |
| 79 | William Leach | 33 | Brother-in-law | Car Lubrication | Pennsylvania |
| 80 | — | None | — | — | — |
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)