MS
Mary Stevenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Stevenson across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Stevenson | Daughter | — | 19 | ~1921 |
| Steve Stevenson | Son | — | 13 | ~1927 |
| Green Stevenson | Head | — | 53 | ~1887 |
| Edith Stevenson | Daughter | — | 12 | ~1928 |
| Mary Stevenson | Spouse | — | 50 | ~1890 |
| Louis Stevenson | Son | — | 9 | ~1931 |
| Rosie Stevenson | Daughter | — | 23 | ~1917 |
| Sonia Stevenson | Daughter | — | 15 | ~1925 |
| Mary Stevenson | Daughter | — | 21 | ~1919 |
| Martha Stevenson | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 8
Wayne, Michigan · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 21
Wayne-County, Michigan · implied b. ~1919 — 10 household members
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Michigan |
| 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 Stevenson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stevenson
Daughter · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Rosie Stevenson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Stevenson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Stevenson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Stevenson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sonia Stevenson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Stevenson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Steve Stevenson
Sibling · 1940 · age 13
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
28 people indexed on this census page (nara:1940:m-t0627-01867-00929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony Pacewicz | 50 | Lodger | Cook | Poland |
| 2 | John Pawlak | 32 | Head | Press Operator | Michigan |
| 3 | Helen Pawlak | 23 | Wife | — | Michigan |
| 4 | Dolores Pawlak | 5 | Daughter | — | Michigan |
| 5 | Shirley A. Pawlak | 0 | Daughter | — | Michigan |
| 6 | John Adamski | 49 | Head | Builder | Poland |
| 7 | Margaret Adamski | 52 | Housekeeper | House-Keeper | Poland |
| 8 | William Roth (Rath) | 36 | Head | Delivery | Michigan |
| 9 | Bernice Roth (Rath) | 38 | Wife | — | Michigan |
| 10 | Mary Roth (Rath) | 7 | Daughter | — | Michigan |
| 11 | Elizabeth Roth (Rath) | 6 | Daughter | — | Michigan |
| 12 | Hedwig Hajcak | 22 | Head | Diet Kitchen | New Jersey |
| 13 | Thaddeus Hajcak | 4 | Son | — | Michigan |
| 14 | Leonard Deworski | 40 | Head | Salesman | Poland |
| 15 | Agnes Deworski | 40 | Wife | — | Russia |
| 16 | Theodore Deworski | 15 | Son | — | Michigan |
| 17 | Margaret Deworski | 10 | Daughter | — | Michigan |
| 18 | Walter O'Umanski | 27 | Son | Maintenance | Michigan |
| 19 | Green Stevenson | 53 | Head | Coppersmith | Brazil |
| 20 | Mary Stevenson | 50 | Wife | — | Brazil |
| 21 | Rosie Stevenson | 23 | Daughter | — | Illinois |
| 22 | Mary Stevenson THIS PERSON | 21 | Daughter | — | Michigan |
| 23 | Helen Stevenson | 19 | Daughter | — | Ohio |
| 24 | Sonia Stevenson | 15 | Daughter | — | Michigan |
| 25 | Martha Stevenson | 16 | Daughter | — | Michigan |
| 26 | Steve Stevenson | 13 | Son | — | Illinois |
| 27 | Edith Stevenson | 12 | Daughter | — | Michigan |
| 28 | Louis Stevenson | 9 | 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)