MR
Mary Roche — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Roche across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 6-person household.
Age 67
b. ~1873
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Roche |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birthplace (normalized) | irish free state |
| Township / Ward | Boston City |
| Est. Birth Year | ~1873 |
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 |
| Mary Roche | Daughter | — | 25 | ~1915 |
| Raymond Roche | Son | — | 37 | ~1903 |
| Mary Roche | Spouse | — | 67 | ~1873 |
| Nicholas Roche | Son | — | 41 | ~1899 |
| Nicholas Roche | Head | — | 71 | ~1869 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 55
Suffolk, Massachusetts · implied b. ~1875 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roche |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1909 |
| Age at First Marriage | 28 |
| 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
Suffolk-County, Massachusetts
Spouse, age 67
Suffolk-County, Massachusetts · implied b. ~1873 — 6 household members
| Surname | Roche |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| 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 67 · b. ~1873 · Massachusetts
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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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01669-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William H. Reames | 40 | Head | Machinist | North Carolina |
| 2 | Agnes B. Reames | 39 | Wife | Machinist | Massachusetts |
| 3 | George M. Reames | 20 | Son | Machinist | Massachusetts |
| 4 | Dorothy E. Reames | 12 | Daughter | — | North Carolina |
| 5 | John G. Mclaughlan | 58 | Head | Custodian | Massachusetts |
| 6 | Mary H. Mclaughlan | 61 | Wife | — | Massachusetts |
| 7 | M. Katherine Mclaughlan | 37 | Daughter | Teacher | Massachusetts |
| 8 | Henry P. Mclaughlan | 34 | Son | Counter | Massachusetts |
| 9 | Elizabeth S. Mclaughlan | 32 | Daughter | Music Teacher | Massachusetts |
| 10 | John F. Mclaughlan | 23 | Son | — | Massachusetts |
| 11 | Jane L. Conroy | 67 | Sister-in-law | — | Massachusetts |
| 12 | Anna G. Conroy | 53 | Sister-in-law | Secretary | Massachusetts |
| 13 | Wendell M. Farrington | 45 | Head | Cutter Stamper | Massachusetts |
| 14 | Alice Farrington | 39 | Wife | — | Massachusetts |
| 15 | William W. A. Moore | 75 | Head | Stores Keeper | Massachusetts |
| 16 | Margaret Lately | 66 | Housekeeper | — | Irish Free State |
| 17 | Nicholas J. Roche | 71 | Head | — | Irish Free State |
| 18 | Mary F. Roche THIS PERSON | 67 | Wife | — | Irish Free State |
| 19 | Nicholas P. Roche | 41 | Son | Painter | Pennsylvania |
| 20 | Raymond J. Roche | 37 | Son | Stock Clerk | Pennsylvania |
| 21 | James A. Roche | 25 | Son | Laborer | Massachusetts |
| 22 | Mary J. Roche | 25 | Daughter | — | Massachusetts |
| 23 | Edith E. Brickley | 42 | Head | — | Massachusetts |
| 24 | Edith C. Brickley | 16 | Daughter | — | Massachusetts |
| 25 | Janet H. Brickley | 8 | Daughter | — | Massachusetts |
| 26 | Florence M. Morris | 22 | Lodger | New Worker | Massachusetts |
| 27 | Rita Ahern | 20 | Lodger | — | Massachusetts |
| 28 | John F. Fitzgerald | 55 | Head | Stationary Fireman | Connecticut |
| 29 | Katherine M. Fitzgerald | 50 | Wife | — | New York State |
| 30 | Mary B. Fitzgerald | 20 | Daughter | Stenographer | Massachusetts |
| 31 | Gertrude D. Fitzgerald | 17 | Daughter | — | Massachusetts |
| 32 | John M. Fitzgerald | 14 | Son | — | Massachusetts |
| 33 | John Collins | 80 | Boarder | — | Massachusetts |
| 34 | Margaret A. Call | 37 | Head | Cashier | English Canada |
| 35 | Charles T. Call | 13 | Son | — | Massachusetts |
| 36 | Norman D. Call | 11 | Son | — | Massachusetts |
| 37 | Cora J. Vaughan | 56 | Head | Housekeeper | Nova Scotia |
| 38 | Mildred E. Vaughan | 11 | Granddaughter | — | Massachusetts |
| 39 | Cecile Martin | 42 | Head | Laundress | English Canada |
| 40 | Lydia M. Damon | 40 | Head | — | Maine |
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)