MR
Mary Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Ross across the 1910, 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Detroit |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Ross | Daughter | — | 26 | ~1914 |
| George Ross | Head | — | 51 | ~1889 |
| Helen Martin | Other | — | 21 | ~1919 |
| Mary Ross | Spouse | — | 57 | ~1883 |
Census Appearances
1910
Wayne, Michigan
Spouse, age 28
Wayne, Michigan · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Scotland |
| Years Married | 6 |
| Children Born | 2 |
| Children Living | 2 |
| Year of Immigration | 1890 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Wayne, Michigan
Spouse, age 37
Wayne, Michigan · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1905 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Other, age 48
Wayne, Michigan · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1905 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Spouse, age 57
Wayne-County, Michigan · implied b. ~1883 — 4 household members
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Naturalized |
| Industry | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Ross across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Ross
Spouse · 1940 · age 57 · b. ~1883 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01875-00742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Jr. Winters | 11 | Son | — | Michigan |
| 2 | Thomas Ray Winters | 7 | Son | — | Michigan |
| 3 | Emil Blade | 52 | Head | Tool Maker | Sweden |
| 4 | Engla Blade | 49 | Wife | — | Michigan |
| 5 | Lloyd Blade | 29 | Head | Clerk | Michigan |
| 6 | Constance Blade | 29 | Wife | — | Michigan |
| 7 | Joan Blade | 1 | Daughter | — | Michigan |
| 8 | Louis M. Monge | 34 | Head | Physician | Ohio |
| 9 | Raye D. Monge | 33 | Wife | — | Iowa |
| 10 | Mary Lou Monge | 5 | Daughter | — | Michigan |
| 11 | Joann Monge | 2 | Daughter | — | Michigan |
| 12 | Ralph Gorham | 40 | Head | — | Michigan |
| 13 | Magdalene Gorham | 41 | Wife | — | Michigan |
| 14 | Marly Gorham | 19 | Daughter | — | Michigan |
| 15 | Barbara Gorham | 12 | Daughter | — | Michigan |
| 16 | Augusta Hintz | 68 | Head | — | Germany |
| 17 | Raymond Jungerman | 34 | Head | — | Michigan |
| 18 | Elsie Jungerman | 31 | Wife | — | Michigan |
| 19 | Jennie Jungerman | 2 | Son | — | Michigan |
| 20 | Roman Vogt | 47 | Head | Fireman | Ohio |
| 21 | Emma Vogt | 39 | Wife | — | Michigan |
| 22 | Robert Vogt | 16 | Son | Printer | Michigan |
| 23 | Shirley Vogt | 14 | Son | — | Michigan |
| 24 | George Ross | 51 | Head | Engineer | Scotland |
| 25 | Mary Ross THIS PERSON | 57 | Wife | — | Scotland |
| 26 | Dorothy Ross | 26 | Daughter | Beauty Operator | Michigan |
| 27 | Helen Martin | 21 | Lodger | Production | Canada-French |
| 28 | Guy Hamel | 53 | Head | Beauty Operator | Ohio |
| 29 | Ida Hamel | 48 | Wife | Engineer | California |
| 30 | La Donna Hamel | 11 | Daughter | — | Michigan |
| 31 | James King | 48 | Head | — | Michigan |
| 32 | Edna King | 42 | Wife | Specialty Salesman | Michigan |
| 33 | Richard Thurman | 29 | Head | Practitioner | Ohio |
| 34 | Adelaide Thurman | 24 | Wife | Engineer | Canada-English |
| 35 | Mary Stomach | 63 | Head | — | Croatia |
| 36 | Pauline Stomach | 35 | Daughter | — | Michigan |
| 37 | Mary Stomach | 32 | Daughter | Bus Clerk | Michigan |
| 38 | Albert Stomach | 30 | Son | Typist | Michigan |
| 39 | — | None | — | Production | — |
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)