MJ
Mary Joyce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Joyce across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 8-person household.
Age 44
b. ~1896
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Joyce |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Boston |
| Est. Birth Year | ~1896 |
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 Joyce | Daughter | — | 16 | ~1924 |
| Francis Joyce | Son | — | 7 | ~1933 |
| Thomas Joyce | Head | — | 49 | ~1891 |
| Catherine Joyce | Daughter | — | 14 | ~1926 |
| Vincent Joyce | Son | — | 10 | ~1930 |
| John Joyce | Son | — | 12 | ~1928 |
| Thomas Joyce | Son | — | 17 | ~1923 |
| Mary Joyce | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 33
Middlesex, Massachusetts · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Joyce |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | First papers filed |
| Year of Immigration | 1913 |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birthplace (normalized) | irish free state |
1940
Suffolk-County, Massachusetts
Spouse, age 44
Suffolk-County, Massachusetts · implied b. ~1896 — 8 household members
| Surname | Joyce |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Joyce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Joyce
Spouse · 1940 · age 44 · b. ~1896 · 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-t0627-01675-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Maria Conn | 41 | Daughter | Secretary | Mass |
| 42 | Helen Conn | 35 | Daughter | — | Mass |
| 43 | Louis F. Conn | 32 | Son | Shipper | Mass |
| 44 | James Handley | 63 | Head | Chef | Canada Eng |
| 45 | Harriet Handley | 55 | Sister | Physician | Canada Eng |
| 46 | Joseph Murphy | 31 | Head | Laborer | Mass |
| 47 | Sally Murphy | 52 | Wife | — | Mass |
| 48 | Ellen Murphy | 55 | Mother | — | Mass |
| 49 | Charles Murphy | 25 | Brother | Salvage | Mass |
| 50 | Eleanor Murphy | 18 | Sister | Clerk | Mass |
| 51 | Ernest Bagley | 60 | Head | Shoe Worker | Mass |
| 52 | Charlotte J. Bagley | 56 | Wife | — | New Hampshire |
| 53 | Stanley S. Bagley | 34 | Son | — | Mass |
| 54 | Wilbur C. Bagley | 53 | Brother | Ice Cream Maker | New Hampshire |
| 55 | Henry Henry | 33 | Roomer | Attendant | Mass |
| 56 | Amy Caldwell | 22 | Roomer | — | Mass |
| 57 | James Goodwin | 25 | Roomer | — | Mass |
| 58 | Joseph Thatcher | 67 | Head | — | Mass |
| 59 | Elizabeth Thatcher | 64 | Wife | — | Mass |
| 60 | William Viles | 32 | Head | Baker | Mass |
| 61 | Mary Viles | 24 | Wife | — | Ireland-North |
| 62 | Muriel Viles | 5 | Daughter | — | Mass |
| 63 | Thomas Joyce | 49 | Head | General Finisher | Irish Free State |
| 64 | Mary D. Joyce THIS PERSON | 44 | Wife | — | Irish Free State |
| 65 | Thomas Joyce | 17 | Son | — | Mass |
| 66 | Mary Joyce | 16 | Daughter | — | Mass |
| 67 | Catherine Joyce | 14 | Daughter | — | Mass |
| 68 | John Joyce | 12 | Son | — | Mass |
| 69 | Vincent Joyce | 10 | Son | — | Mass |
| 70 | Francis Joyce | 7 | Son | — | Mass |
| 71 | William Pike | 37 | Head | Night Manager | Canada French |
| 72 | Margaret Pike | 29 | Wife | — | Canada French |
| 73 | David Pike | 3 | Son | — | Canada French |
| 74 | Curtis Lewis | 42 | Head | Salesman | Canada Eng |
| 75 | Muriel Lewis | 37 | Wife | — | Canada Eng |
| 76 | Wallace Lewis | 16 | Son | — | Mass |
| 77 | Robert Lewis | 11 | Son | — | Mass |
| 78 | Madeline Sweeney | 39 | Head | Clerk | Mass |
| 79 | Madeline Sweeney | 16 | Daughter | — | Mass |
| 80 | Jesse Muller | 65 | Roomer | Porter | Canada Eng |
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)