MR
Mary Roach — 1940 US Census Record
Linked across censuses1940 United States Federal Census · New-York-County, New York
Our Model Tree links this Mary Roach across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | New-York-County, New York |
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | First papers filed |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | New York |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Mary Roach | Daughter | — | 8 | ~1932 |
| Patricia Roach | Daughter | — | 4 | ~1936 |
| Francis Roach | Head | — | 40 | ~1900 |
| James Roach | Son | — | 9 | ~1931 |
| Patrick Roach | Son | — | 10 | ~1930 |
| Mary Roach | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Queens, New …
Other, age 29
Queens, New York · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1916 |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birthplace (normalized) | irish free state |
1940
New-York-County, New …
Spouse, age 38
New-York-County, New York · implied b. ~1902 — 6 household members
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | New York |
| Naturalization Status | First papers filed |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 5 |
| 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 Roach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Roach
Spouse · 1940 · age 38 · b. ~1902 · New York
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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 — New-York-County, New York
Open full size
1940 US Federal Census — New-York-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02655-00025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Gajdos | 50 | Head | Waiter | Hungary |
| 2 | Helen Gajdos | 47 | Wife | — | Hungary |
| 3 | Margaret Gajdos | 24 | Daughter | Dress Cleaner | New York |
| 4 | Cornelia Gajdos | 22 | Daughter | — | New York |
| 5 | Madeline Gajdos | 20 | Daughter | Typist | New York |
| 6 | Anna Gajdos | 13 | Daughter | — | New York |
| 7 | Irving Halmos | 39 | Lodger | Counterman | Russia |
| 8 | William Hanlon | 47 | Head | Telephone Man | Irish Free State |
| 9 | Kate Hanlon | 45 | Wife | Servant | Irish Free State |
| 10 | William J. Hanlon | 13 | Step-son | — | New York |
| 11 | Thomas Walsh | 33 | Head | Bartender | Irish Free State |
| 12 | Beatrice Walsh | 29 | Wife | — | Irish Free State |
| 13 | Eileen Walsh | 5 | Daughter | — | New York |
| 14 | M. Thomas | 3 | Son | — | New York |
| 15 | Margaret Rose Thomas | 0 | Daughter | — | New York |
| 16 | Thomas Bondar | 49 | Head | Mechanic | Russia |
| 17 | Irene Bondar | 44 | Wife | — | Hungary |
| 18 | Margaret Bondar | 20 | Daughter | Typist | New York |
| 19 | Emily Bondar | 18 | Daughter | — | New York |
| 20 | Joseph Bondar | 15 | Son | — | New York |
| 21 | Elaine Bondar | 12 | Daughter | — | New York |
| 22 | Florence Bondar | 12 | Daughter | — | New York |
| 23 | George Harrington | 48 | Head | Engineer | Ireland |
| 24 | Marie Harrington | 45 | Wife | — | Ireland |
| 25 | George Jr. Harrington | 20 | Son | — | New York |
| 26 | Dorothy Harrington | 12 | Daughter | — | New York |
| 27 | Alfred Senti | 53 | Head | Waiter | Italy |
| 28 | Alice Senti | 52 | Wife | — | Holland |
| 29 | Christopher Senti | 20 | Son | Clerk | New York |
| 30 | John Senti | 17 | Son | — | New York |
| 31 | Richard Senti | 16 | Son | — | New York |
| 32 | David Rosen | 31 | Head | Knitter | Poland |
| 33 | Eva Rosen | 31 | Wife | — | Russia |
| 34 | Sarah Rosen | 3 | Daughter | — | New York |
| 35 | Francis Roach | 40 | Head | Superintendent | Irish Free State |
| 36 | Mary Roach THIS PERSON | 38 | Wife | — | Irish Free State |
| 37 | Patrick J. Roach | 10 | Son | — | New York |
| 38 | James Roach | 9 | Son | — | New York |
| 39 | Mary K. Roach | 8 | Daughter | — | New York |
| 40 | Patricia Roach | 4 | Daughter | Elevator Operator | Irish Free State |
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)