MS
Mary Stephenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Stephenson across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Daughter
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | STEPHENSON |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Packer |
| Industry | Perfume Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Packer |
| Township / Ward | New York |
| Est. Birth Year | ~1912 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Stephenson | Head | — | 61 | ~1879 |
| Elizabeth Stephenson | Spouse | — | 56 | ~1884 |
| Thomas Stephenson | Son | — | 20 | ~1920 |
| Mary Stephenson | Daughter | — | 28 | ~1912 |
| Barbara Stephenson | Daughter | — | 16 | ~1924 |
| Joseph Kelley | Other | — | 2 | ~1938 |
| Elizabeth Kelley | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Bronx, New …
Other, age 18
Bronx, New York · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1929 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Saleslady |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Bronx-County, New …
Daughter, age 28
Bronx-County, New York · implied b. ~1912 — 7 household members
| Surname | STEPHENSON |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | Naturalized |
| Occupation | Packer |
| Industry | Perfume Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | New York |
| 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 Stephenson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stephenson
Daughter · 1940 · age 28 · b. ~1912 · New York
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Sibling
Barbara Stephenson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Stephenson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Kelley
Sibling · 1940 · age 24
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02491-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Corbett | 58 | Wife | — | Penn |
| 42 | Marcella Corbett | 28 | Daughter | Secretary | Penn |
| 43 | Joseph Simpson | 40 | Head | Postal Clerk | New York |
| 44 | Augusta Simpson | 33 | Wife | — | New York |
| 45 | Joseph Simpson | 15 | Son | — | New York |
| 46 | James Simpson | 10 | Son | — | New York |
| 47 | Mary Simpson | 5 | Daughter | — | New York |
| 48 | Eric Richter | 43 | Head | Clerk | Germany |
| 49 | Elizabeth Richter | 38 | Wife | — | Germany |
| 50 | Elizabeth Wicker | 30 | Lodger | Owner | No Carolina |
| 51 | Thomas Stephenson | 61 | Head | Watchman | Scotland |
| 52 | Elizabeth Stephenson | 56 | Wife | — | Scotland |
| 53 | Mary Stephenson THIS PERSON | 28 | Daughter | Packer | Scotland |
| 54 | Thomas Stephenson | 20 | Son | Chauffeur | Scotland |
| 55 | Barbara Stephenson | 16 | Daughter | — | Scotland |
| 56 | Elizabeth Kelley | 24 | Daughter | Packer | Scotland |
| 57 | Joseph J. Kelley | 2 | G-Son | — | New York |
| 58 | Henry Ellerbusch | 49 | Head | Route Man | New York |
| 59 | Anna Ellerbusch | 49 | Wife | — | New York |
| 60 | Henry Jr. Ellerbusch | 14 | Son | — | New York |
| 61 | Jeanette Mumm | 19 | Step-Daughter | — | New York |
| 62 | John O'Neill | 53 | Head | Blacksmith | Eire |
| 63 | Mary O'Neill | 47 | Wife | — | Eire |
| 64 | Kathleen O'Neill | 27 | Daughter | Comptometer | New York |
| 65 | Mary O'Neill | 24 | Daughter | Comptometer | New York |
| 66 | John O'Neill | 20 | Son | Carpet Layer | New York |
| 67 | Eileen O'Neill | 19 | Daughter | Comptometer | New York |
| 68 | Patrick O'Neill | 18 | Son | — | New York |
| 69 | William O'Neill | 15 | Son | — | New York |
| 70 | Gertrude O'Neill | 14 | Daughter | — | New York |
| 71 | Nellie Fitzgerald | 49 | Head | Asst Editor | Colorado |
| 72 | Mary Fitzgerald | 47 | Sister | — | Colorado |
| 73 | George Komar | 47 | Head | Construction Worker | Russia |
| 74 | Sonia Komar | 34 | Wife | — | Russia |
| 75 | Marina Komar | 10 | Daughter | — | New York |
| 76 | Michael Komar | 10 | Son | — | New York |
| 77 | Patrick Clarkin | 46 | Head | Owner | New York |
| 78 | Ann Clarkin | 41 | Wife | — | New York |
| 79 | James Clarkin | 16 | Son | — | New York |
| 80 | Patricia Clarkin | 12 | Daughter | — | New York |
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)