MR
Mary Ross — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Ross across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Henry & William — first a spouse (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
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 | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Alien |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Alexander Ross | Head | — | 36 | ~1904 |
| William Ross | Son | — | ~1940 | |
| Mary Ross | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 11
Wayne, Michigan · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | scotland |
1930
Wayne, Michigan
Daughter, age 19
Wayne, Michigan · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Office Work |
| Industry | Post. Telegraph |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Wayne-County, Michigan
Spouse, age 30
Wayne-County, Michigan · implied b. ~1910 — 3 household members
| Surname | Ross |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Naturalization Status | Alien |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Ross (~0.92 confidence) and father William Ross (~0.92 confidence) and mother Susan Ross (~0.92 confidence) and mother Jessie Ross (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Ross
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Ross
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Susan Ross
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Jessie Ross
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Ross
Spouse · 1940 · age 30 · b. ~1910 · 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01870-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Livingway | 32 | Head | Stock Clerk | Michigan |
| 2 | Mary Livingway | 28 | Wife | — | Michigan |
| 3 | Francis Larry Livingway | 6 | Son | — | Michigan |
| 4 | Mary Catherine Livingway | 4 | Daughter | — | Michigan |
| 5 | Joseph Patrick Livingway | 1 | Son | — | Michigan |
| 6 | John Pozek | 27 | Brother-in-law | Mason (Brick) | Michigan |
| 7 | John Livingstone | 28 | Head | Conveyor Organizer | Pennsylvania |
| 8 | Annabel Livingstone | 24 | Wife | — | Pennsylvania |
| 9 | John Jr. Livingstone | 4 | Son | — | Michigan |
| 10 | Clark Hess | 19 | Brother-in-law | Laborer | Pennsylvania |
| 11 | Hubert Taylor | 37 | Head | Setup Man | Tennessee |
| 12 | Jeanette Taylor | 31 | Wife | — | Michigan |
| 13 | Douglas Taylor | 7 | Son | — | Michigan |
| 14 | Howard Taylor | 0 | Son | — | Michigan |
| 15 | George Blair | 27 | Head | Life Salesman | Michigan |
| 16 | Marguerite Blair | 28 | Wife | Clerk | Michigan |
| 17 | John Morrison | 35 | Head | Coach Driver | Michigan |
| 18 | Bertha Morrison | 30 | Wife | — | Michigan |
| 19 | Ronald Morrison | 6 | Son | — | Michigan |
| 20 | Glenn Morrison | 0 | Son | — | Michigan |
| 21 | Raymond Roberts | 29 | Head | Postal Clerk | Michigan |
| 22 | Eileen Roberts | 23 | Wife | Cashier | Michigan |
| 23 | Kelvin K. Roberts | 5 | Son | — | Michigan |
| 24 | Alexander Ross | 36 | Head | Die Setter | Scotland |
| 25 | Mary Ross THIS PERSON | 30 | Wife | — | Scotland |
| 26 | William Ross | 0 | Son | — | Michigan |
| 27 | Donald Liphart | 26 | Head | Salesman | Michigan |
| 28 | Elvira Liphart | 24 | Wife | — | Michigan |
| 29 | Dennis Leigh Liphart | 0 | Son | — | Michigan |
| 30 | Robert Clark | 50 | Head | Motorman | Michigan |
| 31 | Hannah Clark | 37 | Wife | — | Finland |
| 32 | Glenn Clark | 16 | Son | — | Michigan |
| 33 | Clarence Clark | 14 | Son | — | Michigan |
| 34 | Robert Clark | 3 | Son | — | Michigan |
| 35 | Lorraine Clark | 2 | Daughter | — | Michigan |
| 36 | Everitt Road | 30 | Head | Carpenter | North Dakota |
| 37 | Beulah Road | 24 | Wife | — | Minnesota |
| 38 | Patricia Ann Road | 2 | Daughter | — | Michigan |
| 39 | Geraldine Road | 0 | Daughter | — | Michigan |
| 40 | Jodie Bernard | 39 | Head | Inspector | Louisiana |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)