MR
Mary Roach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Mary Roach across the 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 8-person household.
Age 24
b. ~1916
Female
Daughter
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Passaic City |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Mary Roach | Daughter | — | 24 | ~1916 |
| Jean Wojtaszek | Daughter | — | 21 | ~1919 |
| Yonia Wojtaszek | Daughter | — | 27 | ~1913 |
| Katherine Wojtaszek | Head | — | 51 | ~1889 |
| Marlene Roach | Other | — | 1 | ~1939 |
| Leroy Roach | Other | — | 31 | ~1909 |
| Edward Wojtaszek | Son | — | 14 | ~1926 |
| Aloysius Wojtaszek | Son | — | 16 | ~1924 |
Census Appearances
Daughter, age 13
Passaic, New Jersey · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Rich |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 24
Passaic-County, New Jersey · implied b. ~1916 — 8 household members
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Passaic City |
| 1935 Residence (County) | Passaic |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Roach
Daughter · 1940 · age 24 · b. ~1916 · New Jersey
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Sibling
Yonia Wojtaszek
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aloysius Wojtaszek
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Wojtaszek
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Wojtaszek
Sibling · 1940 · age 21
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-t0627-02377-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Sot | 26 | Daughter | Billing Clerk | New Jersey |
| 42 | Emil Sot | 25 | Son | Welder | New Jersey |
| 43 | Verna Sot | 22 | Daughter | Stenographer | New Jersey |
| 44 | Janet Sot | 20 | Daughter | Telephone | New Jersey |
| 45 | John Lott | 23 | Lodger | Driller | Pennsylvania |
| 46 | John Corter | 31 | Head | Helper | New Jersey |
| 47 | Anita Corter | 25 | Wife | — | New Jersey |
| 48 | Jacqueline Corter | 0 | Daughter | — | New Jersey |
| 49 | Paul Puit | 90 | Head | — | Holland |
| 50 | Kryal Hollar | 33 | Head | — | Holland |
| 51 | Alice Hollar | 34 | Wife | — | New Jersey |
| 52 | Anna Yatsko | 80 | Head | — | Austria |
| 53 | Joseph Yatsko | 45 | Son | Conductor | New Jersey |
| 54 | Andrew Simon | 27 | Head | Baker | Illinois |
| 55 | Emily Simon | 22 | Wife | — | New Jersey |
| 56 | Andrew R. Simon | 0 | Daughter | — | New Jersey |
| 57 | Katherine Wojtaszek | 51 | Head | — | Holland |
| 58 | Yonia Wojtaszek | 27 | Daughter | Carder | New Jersey |
| 59 | Jean Wojtaszek | 21 | Daughter | Folder | New Jersey |
| 60 | Aloysius Wojtaszek | 16 | Son | — | New Jersey |
| 61 | Edward Wojtaszek | 14 | Son | — | New Jersey |
| 62 | Leroy Roach | 31 | Son-in-law | Bartender | New Jersey |
| 63 | Mary Roach THIS PERSON | 24 | Daughter | — | New Jersey |
| 64 | Marlene Roach | 1 | G-Daughter | — | New Jersey |
| 65 | Joseph Dobryzynski | 47 | Head | Proprietor | Poland |
| 66 | Victoria Dobryzynski | 47 | Wife | — | Poland |
| 67 | Angela Dobryzynski | 25 | Daughter | Operator | New Jersey |
| 68 | Helen Dobryzynski | 15 | Daughter | — | New Jersey |
| 69 | Michael Kovach | 54 | Lodger | Waiter | Poland |
| 70 | Anthony Sabol | 52 | Head | Laborer | Poland |
| 71 | Stephen Stankiewicz | 40 | Lodger | Machinist | Poland |
| 72 | Alexander Billen | 25 | Head | Production Clerk | New Jersey |
| 73 | Ruth Billen | 24 | Wife | — | New Jersey |
| 74 | Carolyn Billen | 2 | Daughter | — | New Jersey |
| 75 | Cecelia Crowley | 71 | Mother-in-law | Folder | New Jersey |
| 76 | Anna Okey | 65 | Head | Housekeeper | New Jersey |
| 77 | Helen Plaza | 56 | Head | — | Poland |
| 78 | Jennie Plaza | 23 | Daughter | — | New Jersey |
| 79 | Victoria Gilber | 32 | Daughter | Fore Lady | New Jersey |
| 80 | Marius Winterter | 26 | Son-in-law | Lineman | New Jersey |
Related Census Records
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)