MR
Mary Roche — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Roche across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 6-person household.
Age 48
b. ~1892
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Roche |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1892 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Roche | Son | — | 25 | ~1915 |
| Madeline Roche | Daughter | — | 21 | ~1919 |
| Michael Roche | Head | — | 51 | ~1889 |
| Mary Roche | Spouse | — | 48 | ~1892 |
| Margaret Roche | Daughter | — | 16 | ~1924 |
| Patricia Roche | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Hudson, New …
Spouse, age 38
Hudson, New Jersey · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roche |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 19 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Hudson-County, New …
Spouse, age 48
Hudson-County, New Jersey · implied b. ~1892 — 6 household members
| Surname | Roche |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Roche across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Roche
Spouse · 1940 · age 48 · b. ~1892 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02406-00376)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Mahoney | 46 | Head | Bartender | New Jersey |
| 42 | Anna Mahoney | 42 | Wife | — | New Jersey |
| 43 | William Jr Mahoney | 17 | Son | — | New Jersey |
| 44 | Eileen Mahoney | 14 | Daughter | — | New Jersey |
| 45 | John Mahoney | 12 | Son | — | New Jersey |
| 46 | Patricia Mahoney | 9 | Daughter | — | New Jersey |
| 47 | Francis Mahoney | 4 | Son | — | New Jersey |
| 48 | Fred Gerkhardt | 60 | Head | — | New Jersey |
| 49 | Michael Roche | 51 | Head | — | Irish Free State |
| 50 | Mary Roche THIS PERSON | 48 | Wife | — | Irish Free State |
| 51 | James Roche | 25 | Son | Mail Sorter | New Jersey |
| 52 | Madeline Roche | 21 | Daughter | Stenographer | New Jersey |
| 53 | Margaret Roche | 16 | Daughter | — | New Jersey |
| 54 | Patricia Roche | 10 | Daughter | — | New Jersey |
| 55 | Jacob Guenther | 46 | Head | Millwright | New Jersey |
| 56 | Josephine Guenther | 44 | Wife | — | New Jersey |
| 57 | William Guenther | 24 | Son | Lithograph | New Jersey |
| 58 | Robert Guenther | 21 | Son | Mechanic | New Jersey |
| 59 | Clifford Guenther | 18 | Son | New Worker | New Jersey |
| 60 | Richard Guenther | 16 | Son | — | New Jersey |
| 61 | Josephine Guenther | 11 | Daughter | — | New Jersey |
| 62 | Frank Mccabe | 48 | Head | Machinist | New York |
| 63 | Wilma Mccabe | 45 | Wife | — | New York |
| 64 | Marie Mccabe | 25 | Daughter | Factory Worker | New Jersey |
| 65 | Edward Mccabe | 16 | Son | — | New Jersey |
| 66 | John Mccabe | 13 | Son | — | New Jersey |
| 67 | Mark Dunn | 59 | Head | — | New Jersey |
| 68 | Clara Dunn | 55 | Wife | — | New Jersey |
| 69 | Evelyn Dunn | 25 | Daughter | Factory Work | New Jersey |
| 70 | Edward Dunn | 23 | Son | New Worker | New Jersey |
| 71 | Dorothy Dunn | 16 | Daughter | — | New Jersey |
| 72 | Leroy Reynolds | 58 | Head | Clerk | Connecticut |
| 73 | Otis Reynolds | 27 | Son | Clerk | New Jersey |
| 74 | Claire Reynolds | 22 | Daughter | Clerk | New Jersey |
| 75 | David Macnaughton | 49 | Head | Machinist | Scotland |
| 76 | Agnes Macnaughton | 44 | Wife | — | Ireland |
| 77 | Agnes Macnaughton | 21 | Daughter | Typist | Scotland |
| 78 | David Jr Macnaughton | 19 | Son | Book Keeper | New Jersey |
| 79 | James Macnaughton | 16 | Son | — | New Jersey |
| 80 | William Macnaughton | 11 | Son | — | 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)