MD
Mary Doherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Doherty across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 2-person household.
Age 65
b. ~1875
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Doherty |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston City |
| Est. Birth Year | ~1875 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Doherty | Head | — | 65 | ~1875 |
| Aurelia Doherty | Daughter | — | 34 | ~1906 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 48
Suffolk, Massachusetts · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Spouse, age 55
Suffolk, Massachusetts · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 65
Suffolk-County, Massachusetts · implied b. ~1875 — 2 household members
| Surname | Doherty |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| 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 Doherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Doherty
Head · 1940 · age 65 · b. ~1875 · 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
37 people indexed on this census page (nara:1940:m-t0627-01661-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Loretta Almada | 3 | Daughter | — | Massachusetts |
| 42 | Michael Picardi | 44 | Head | Cook | Poland |
| 43 | Ann Picardi | 42 | Wife | Scrubwoman | Poland |
| 44 | Edward Picardi | 17 | Son | — | Massachusetts |
| 45 | — | None | — | — | — |
| 46 | Antonio La Porta | 36 | Head | Laborer | Massachusetts |
| 47 | Louise La Porta | 34 | Wife | — | Italy |
| 48 | Catherine La Porta | 5 | Daughter | — | Massachusetts |
| 49 | Patsy La Porta | 55 | Father | — | Italy |
| 50 | Charles Pippin | 55 | Head | Peddler | Russia |
| 51 | Minnie Pippin | 55 | Wife | Laborer | Russia |
| 52 | Samuel Pippin | 26 | Son | File Clerk | Massachusetts |
| 53 | Saul Pippin | 18 | Son | — | Massachusetts |
| 54 | — | None | — | — | — |
| 55 | — | None | — | — | — |
| 56 | William Regan | 34 | Head | Janitor | New Hampshire |
| 57 | Margaret Regan | 36 | Wife | — | Massachusetts |
| 58 | William Regan | 5 | Son | — | Massachusetts |
| 59 | John L. Regan | 1 | Son | — | Massachusetts |
| 60 | — | None | — | — | — |
| 61 | Mary A. Doherty THIS PERSON | 65 | Head | — | Ireland |
| 62 | Aurelia R. Doherty | 34 | Daughter | Estimator | Massachusetts |
| 63 | Adrian Saulnier | 39 | Head | Buffer | Massachusetts |
| 64 | Alice Saulnier | 37 | Wife | — | Massachusetts |
| 65 | William Saulnier | 8 | Son | — | Massachusetts |
| 66 | Joan Saulnier | 7 | Daughter | — | Massachusetts |
| 67 | Kay Saulnier | 5 | Daughter | — | Massachusetts |
| 68 | John Leashman | 36 | Head | Printer | Massachusetts |
| 69 | Gertrude Leashman | 38 | Wife | — | Massachusetts |
| 70 | Marion Leashman | 18 | Daughter | Salesgirl | Massachusetts |
| 71 | Helen M. Leashman | 16 | Daughter | — | Massachusetts |
| 72 | Barbara Leashman | 7 | Daughter | — | Massachusetts |
| 73 | Joan M. Leashman | 4 | Daughter | — | Massachusetts |
| 74 | Noel Bilodeau | 34 | Head | Cook | New Hampshire |
| 75 | Helen Bilodeau | 33 | Wife | — | Maine |
| 76 | Thomas Bilodeau | 11 | Son | — | Massachusetts |
| 77 | Richard Bilodeau | 9 | Son | — | 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)