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 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 11-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Doherty |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1924 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Daniel Doherty | Son | — | 25 | ~1915 |
| Mary Doherty | Daughter | — | 16 | ~1924 |
| Rose Doherty | Daughter | — | 10 | ~1930 |
| Helen Doherty | Daughter | — | 24 | ~1916 |
| Mary Doherty | Spouse | — | 46 | ~1894 |
| Aloysius Doherty | Son | — | 18 | ~1922 |
| Leo Doherty | Son | — | 11 | ~1929 |
| Agnes Doherty | Daughter | — | 13 | ~1927 |
| Joseph Doherty | Son | — | 23 | ~1917 |
| Veronica Doherty | Daughter | — | 13 | ~1927 |
| Charles Doherty | Head | — | 53 | ~1887 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1925 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 11 household members
| Surname | Doherty |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Doherty
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
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Sibling
Leo Doherty
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Doherty
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Doherty
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Doherty
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Doherty
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Doherty
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Aloysius Doherty
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Doherty
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01659-00365)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Powers | 47 | Head | Printer | Massachusetts |
| 2 | Mary F Powers | 48 | Wife | — | Massachusetts |
| 3 | Margaret T. Powers | 20 | Daughter | Timekeeper | Massachusetts |
| 4 | John J. Jr. Powers | 18 | Son | — | Massachusetts |
| 5 | Ruth M Powers | 16 | Daughter | — | Massachusetts |
| 6 | Martin T Powers | 45 | Brother-in-law | — | Massachusetts |
| 7 | James P Considine | 25 | Head | Freight Handler | Massachusetts |
| 8 | Marion T Considine | 25 | Wife | — | Massachusetts |
| 9 | Patrick V Considine | 0 | Son | — | Massachusetts |
| 10 | Charles A Boles | 64 | Head | Clerk | Massachusetts |
| 11 | Theresa Boles | 57 | Wife | — | Massachusetts |
| 12 | Frederick C. Boles | 66 | Brother | Baker | Massachusetts |
| 13 | Anne E Dunleavy | 65 | Head | — | Eire |
| 14 | Joseph F Dunleavy | 32 | Son | Electrician Helper | Massachusetts |
| 15 | Francis J Dunleavy | 31 | Son | Electrician | Massachusetts |
| 16 | Ellen G. Towle | 56 | Head | — | Massachusetts |
| 17 | Charles Doherty | 53 | Head | Freight Handler | Northern Ireland |
| 18 | Mary A Doherty | 46 | Wife | — | Northern Ireland |
| 19 | Daniel L Doherty | 25 | Son | Electrician Helper | Massachusetts |
| 20 | Helen T Doherty | 24 | Daughter | Waitress | Massachusetts |
| 21 | Joseph I Doherty | 23 | Son | Cooper | Massachusetts |
| 22 | Aloysius L. Doherty | 18 | Son | New Worker | Massachusetts |
| 23 | Mary J. Doherty THIS PERSON | 16 | Daughter | — | Massachusetts |
| 24 | Agnes Doherty | 13 | Daughter | — | Massachusetts |
| 25 | Veronica Doherty | 13 | Daughter | — | Massachusetts |
| 26 | Leo Doherty | 11 | Son | — | Massachusetts |
| 27 | Rose Doherty | 10 | Daughter | — | Massachusetts |
| 28 | John D Howard | 47 | Head | Asst Fire Chief | Massachusetts |
| 29 | Irene T Howard | 44 | Wife | — | Massachusetts |
| 30 | John R Howard | 23 | Son | Apprentice Monotype Operator | Massachusetts |
| 31 | William F Howard | 21 | Son | — | Massachusetts |
| 32 | Victor A Howard | 20 | Son | Assistant Timekeeper | Massachusetts |
| 33 | Walter E Howard | 19 | Son | Helper Electrician | Massachusetts |
| 34 | Arthur E Howard | 16 | Son | — | Massachusetts |
| 35 | Herbert J Howard | 14 | Son | — | Massachusetts |
| 36 | Marjorie A Howard | 12 | Daughter | — | Massachusetts |
| 37 | Patricia Howard | 11 | Daughter | — | Massachusetts |
| 38 | Phyllis Howard | 9 | Daughter | — | Massachusetts |
| 39 | Donald E Howard | 6 | Son | — | Massachusetts |
| 40 | Elizabeth A Howard | 3 | Daughter | — | Massachusetts |
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)