MS
Mary Stevens — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Stevens across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Stevens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ringwood Borough |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Ringwood Borough |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Stevens | Daughter | — | 1 | ~1939 |
| Mary Stevens | Daughter | — | 13 | ~1927 |
| Herbert Stevens | Head | — | 50 | ~1890 |
| Robert Stevens | Son | — | 15 | ~1925 |
| Randolph Stevens | Son | — | 17 | ~1923 |
| Thomas Stevens | Son | — | 21 | ~1919 |
| William Stevens | Son | — | 3 | ~1937 |
| Mrs Stevens | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Passaic, New …
Daughter, age 4
Passaic, New Jersey · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Steven |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 13
Passaic-County, New Jersey · implied b. ~1927 — 8 household members
| Surname | Stevens |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Ringwood Borough |
| 1935 Residence (County) | Passaic |
| Highest Grade | No 6 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Stevens across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Stevens
Daughter · 1940 · age 13 · b. ~1927 · New Jersey
★ You are viewing this record
Sibling
Jean Stevens
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Stevens
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Stevens
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stevens
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Randolph Stevens
Sibling · 1940 · age 17
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02379-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mrs Nora Youmans | 32 | Wife | — | New York |
| 2 | Everett Youmans | 14 | Son | — | New York |
| 3 | John Youmans | 13 | Son | — | New York |
| 4 | Rose Youmans | 9 | Daughter | — | New Jersey |
| 5 | Philliman Youmans | 8 | Daughter | — | New Jersey |
| 6 | Dora Youmans | 6 | Daughter | — | New Jersey |
| 7 | Florence Youmans | 5 | Daughter | — | New Jersey |
| 8 | Emily Youmans | 4 | Daughter | — | New Jersey |
| 9 | Charlotte Youmans | 2 | Daughter | — | New Jersey |
| 10 | Elaine Youmans | 1 | Daughter | — | New Jersey |
| 11 | Herbert Stevens | 50 | Head | Blacksmith | New Jersey |
| 12 | Mrs Sara Stevens | 39 | Wife | — | New Jersey |
| 13 | Thomas Stevens | 21 | Son | Assembler | New Jersey |
| 14 | Randolph Stevens | 17 | Son | New Worker | New Jersey |
| 15 | Robert Stevens | 15 | Son | — | New Jersey |
| 16 | Mary Stevens THIS PERSON | 13 | Daughter | — | New Jersey |
| 17 | William Stevens | 3 | Son | — | New Jersey |
| 18 | Jean Stevens | 1 | Daughter | — | New Jersey |
| 19 | Edward Mcgrady | 29 | Head | Laborer | New Jersey |
| 20 | Mrs Erna Mcgrady | 25 | Wife | — | New Jersey |
| 21 | Shirley Mcgrady | 4 | Daughter | — | New Jersey |
| 22 | Edna Mcgrady | 1 | Daughter | — | New Jersey |
| 23 | Arvin Youmans | 32 | Head | Moulder | New Jersey |
| 24 | Mrs Elizabeth Youmans | 32 | Wife | Stitcher | New Jersey |
| 25 | Walter Janowicz | 24 | Head | Miner | New Jersey |
| 26 | Mrs Velma Janowicz | 20 | Wife | — | New Jersey |
| 27 | Anthony Janowicz | 1 | Son | — | New Jersey |
| 28 | James Janowicz | 0 | Son | — | New Jersey |
| 29 | Chas. L. De Freese | 55 | Head | Laborer | New Jersey |
| 30 | Mrs Beatrice De Freese | 47 | Wife | — | New Jersey |
| 31 | Whitfield De Freese | 26 | Son | — | New Jersey |
| 32 | Earl De Freese | 23 | Son | Laborer | New Jersey |
| 33 | Lila De Freese | 20 | Daughter | — | New Jersey |
| 34 | Douglass De Freese | 17 | Son | New Worker | New Jersey |
| 35 | Mae De Freese | 15 | Daughter | — | New Jersey |
| 36 | Ruth De Freese | 13 | Daughter | — | New Jersey |
| 37 | Arith De Freese | 8 | Daughter | — | New Jersey |
| 38 | Arlene De Freese | 4 | Son | — | New Jersey |
| 39 | Philip De Freese | 39 | Cousin | Laborer | New Jersey |
| 40 | William G. Mann | 55 | Head | Janitor | New Jersey |
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)