MH
Mary Healy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Healy across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 8-person household.
Age 51
b. ~1889
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Healy |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Lillian Healy | Daughter | — | 21 | ~1919 |
| Mary Healy | Daughter | — | 14 | ~1926 |
| Agnes Healy | Daughter | — | 12 | ~1928 |
| James Healy | Head | — | 45 | ~1895 |
| James Healy | Son | — | 22 | ~1918 |
| William Healy | Son | — | 19 | ~1921 |
| John Healy | Son | — | 18 | ~1922 |
| Mary Healy | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 30
Middlesex, Massachusetts · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1891 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1891 |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Spouse, age 51
Suffolk-County, Massachusetts · implied b. ~1889 — 8 household members
| Surname | Healy |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Healy across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Healy
Spouse · 1940 · age 51 · b. ~1889 · 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-t0627-01668-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E Raftery | 9 | Daughter | — | Boston Mass |
| 42 | Martin Francis Raftery | 8 | Son | — | Boston Mass |
| 43 | Timothy David Raftery | 6 | Son | — | Boston Mass |
| 44 | James M Raftery | 3 | Son | — | Boston Mass |
| 45 | John J Raftery | 1 | Son | — | Brighton Mass |
| 46 | Patrick J Forde | 45 | Head | Laborer | Ireland |
| 47 | Ellen F Forde | 46 | Wife | At Home | Ireland |
| 48 | Joseph F Forde | 16 | Son | Order Boy | Boston Mass |
| 49 | Paul P Forde | 14 | Son | — | Boston Mass |
| 50 | Daniel F Forde | 12 | Son | — | Boston Mass |
| 51 | Eileen V Forde | 10 | Daughter | — | Boston Mass |
| 52 | Frederick W Lang | 43 | Head | Hod Carrier | Boston Mass |
| 53 | Robert A Lang | 19 | Son | Steam Fitter Helper | Boston Mass |
| 54 | Frederick W Lang | 17 | Son | Laborer | Boston Mass |
| 55 | Marion K Lang | 13 | Daughter | — | Boston Mass |
| 56 | Eugene J Lang | 11 | Son | — | Boston Mass |
| 57 | John P Rumpas | 56 | Head | Proprietor | Lithuania |
| 58 | Theodora G Rumpas | 45 | Wife | Helper | Lithuania |
| 59 | Peter J Rumpas | 14 | Son | — | Cleveland Ohio |
| 60 | Nicholas J Rumpas | 13 | Son | — | Cleveland Ohio |
| 61 | Walter E Pryda | 28 | Head | Wool Sorter | Cambridge Mass |
| 62 | Stella H Pryda | 26 | Wife | Marker & Sorter | Boston Mass |
| 63 | Robert J Pryda | 3 | Son | — | Boston Mass |
| 64 | James J Healy | 45 | Head | — | Ireland |
| 65 | Mary E Healy THIS PERSON | 51 | Wife | — | Ireland |
| 66 | James E Healy | 22 | Son | Laborer | Boston Mass |
| 67 | Lillian H Healy | 21 | Daughter | Clerk Billing | Boston Mass |
| 68 | William F Healy | 19 | Son | Clerk Records | Boston Mass |
| 69 | John J Healy | 18 | Son | — | Boston Mass |
| 70 | Mary C Healy | 14 | Daughter | — | Boston Mass |
| 71 | Agnes T Healy | 12 | Daughter | — | Boston Mass |
| 72 | Lucy C Connor | 46 | Head | At Home | Boston Mass |
| 73 | William J Connor | 19 | Son | — | Boston Mass |
| 74 | William J Jr Connor | 16 | Son | — | Boston Mass |
| 75 | Thomas J Connor | 14 | Son | — | Boston Mass |
| 76 | Mary E Connor | 12 | Daughter | — | Boston Mass |
| 77 | Robert J Connor | 10 | Son | — | Boston Mass |
| 78 | Frederick P Connor | 7 | Son | — | Boston Mass |
| 79 | Ruth Connor | 6 | Daughter | — | Boston Mass |
| 80 | Thomas J Blanch | 60 | Head | Janitor | Newfoundland |
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)