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.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1928 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Doherty | Son | — | 8 | ~1932 |
| Catherine Doherty | Daughter | — | 4 | ~1936 |
| Thomas Doherty | Son | — | 14 | ~1926 |
| John Doherty | Head | — | 50 | ~1890 |
| Theresa Doherty | Daughter | — | 2 | ~1938 |
| Mary Doherty | Spouse | — | 38 | ~1902 |
| Sally Doherty | Daughter | — | 16 | ~1924 |
| Elizabeth Doherty | Daughter | — | 10 | ~1930 |
| Mary Doherty | Daughter | — | 12 | ~1928 |
| June Doherty | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 2
Suffolk, Massachusetts · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 12
Suffolk-County, Massachusetts · implied b. ~1928 — 10 household members
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 12 · b. ~1928 · Massachusetts
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Sibling
Theresa Doherty
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Doherty
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Doherty
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sally Doherty
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Doherty
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Doherty
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Doherty
Sibling · 1940 · age 14
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-t0627-01659-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Jr Cleary | 5 | son | — | Massachusetts |
| 2 | Mary Provitt | 71 | head | — | Eire |
| 3 | Frank Riley | 58 | head | Supervisor | Massachusetts |
| 4 | Margaret B Riley | 59 | wife | — | Massachusetts |
| 5 | Margaret E Riley | 24 | daughter | Secretary | Massachusetts |
| 6 | Grace E Riley | 22 | daughter | Secretary | Massachusetts |
| 7 | Ruth L Riley | 20 | daughter | — | Massachusetts |
| 8 | Mary M Riley | 12 | daughter | — | Massachusetts |
| 9 | John D Doherty | 50 | head | Stationary | Eire |
| 10 | Mary Doherty | 38 | wife | — | Eire |
| 11 | Sally Doherty | 16 | daughter | — | Massachusetts |
| 12 | Thomas Doherty | 14 | son | — | Massachusetts |
| 13 | Mary Doherty THIS PERSON | 12 | daughter | — | Massachusetts |
| 14 | Elizabeth Doherty | 10 | daughter | — | Massachusetts |
| 15 | John Doherty | 8 | son | — | Massachusetts |
| 16 | June Doherty | 6 | daughter | — | Massachusetts |
| 17 | Catherine Doherty | 4 | daughter | — | Massachusetts |
| 18 | Theresa Doherty | 2 | daughter | — | Massachusetts |
| 19 | Hannah Mclaughlin | 56 | head | — | Eire |
| 20 | Sister Marquetti | 53 | sister | — | Eire |
| 21 | Ann Gibbons | 25 | head | — | Eire |
| 22 | Daniel J Gibbons | 40 | son | Pipefitter | Massachusetts |
| 23 | John Paulding | 32 | head | Clerk | Massachusetts |
| 24 | Irene B Paulding | 30 | wife | — | Massachusetts |
| 25 | Francis Paulding | 4 | son | — | Massachusetts |
| 26 | Frances Paulding | 4 | daughter | — | Massachusetts |
| 27 | Michael J Flynn | 45 | head | Sheetmetal | Eire |
| 28 | Helen M Flynn | 45 | wife | — | Eire |
| 29 | James F Flynn | 20 | son | New Worker | Massachusetts |
| 30 | John Flynn | 18 | son | New Worker | Massachusetts |
| 31 | Mary Flynn | 16 | daughter | — | Massachusetts |
| 32 | Edward V Flynn | 15 | son | — | Massachusetts |
| 33 | Michael B Flynn | 13 | son | — | Massachusetts |
| 34 | Eugene Flynn | 11 | son | — | Massachusetts |
| 35 | Walter F Flynn | 8 | son | — | Massachusetts |
| 36 | Augustus Tillson | 57 | head | Clerk | Massachusetts |
| 37 | Josephine M Tillson | 52 | wife | Accountant | Massachusetts |
| 38 | Susan Mahoney | 49 | sister in law | Secretary | Massachusetts |
| 39 | Michael J Mcnamee | 51 | head | Inspector | Massachusetts |
| 40 | Margaret Mcnamee | 55 | wife | — | 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)