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 spouse (b.~1892), then head of a 8-person household.
Age 48
b. ~1892
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1892 |
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 Doherty | Daughter | — | 11 | ~1929 |
| Helen Doherty | Daughter | — | 21 | ~1919 |
| Thomas Doherty | Son | — | 5 | ~1935 |
| Arthur Doherty | Son | — | 18 | ~1922 |
| Walter Doherty | Head | — | 53 | ~1887 |
| Harold Doherty | Son | — | 8 | ~1932 |
| Mary Doherty | Spouse | — | 48 | ~1892 |
| Richard Doherty | Son | — | 13 | ~1927 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 38
Suffolk, Massachusetts · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Naturalization Status | Naturalized |
| Age at First Marriage | 31 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 48
Suffolk-County, Massachusetts · implied b. ~1892 — 8 household members
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | No 9 |
| 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
Spouse · 1940 · age 48 · b. ~1892 · 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-t0627-01666-00617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma C. White | 6 | Daughter | — | Massachusetts |
| 2 | Jeremiah J. Farrell | 29 | Head | Orderly | Massachusetts |
| 3 | Elizabeth C. Farrell | 21 | Wife | Waitress | Massachusetts |
| 4 | Salvatore A. Sapienza | 21 | Head | Mach. Operator | Massachusetts |
| 5 | Lorraine M. Sapienza | 19 | Wife | — | English |
| 6 | Donald J. Sapienza | 2 | Son | — | Mass. |
| 7 | Walter N. Doherty | 53 | Head | Laborer | Massachusetts |
| 8 | Mary Doherty THIS PERSON | 48 | Wife | — | Massachusetts |
| 9 | Helen L. Doherty | 21 | Daughter | New Worker | Massachusetts |
| 10 | Arthur E. Doherty | 18 | Son | Laborer | Massachusetts |
| 11 | Richard F. Doherty | 13 | Son | — | Massachusetts |
| 12 | Mary R. Doherty | 11 | Daughter | — | Massachusetts |
| 13 | Harold D. Doherty | 8 | Son | — | Massachusetts |
| 14 | Thomas J. Doherty | 5 | Son | — | Massachusetts |
| 15 | Mary A. Lacey | 42 | Head | — | English |
| 16 | Catherine P. Lacey | 16 | Daughter | New Worker | Massachusetts |
| 17 | Jacqueline M. Lacey | 14 | Daughter | — | Massachusetts |
| 18 | Russell H. Lacey | 13 | Son | — | Massachusetts |
| 19 | June P. Lacey | 11 | Daughter | — | Massachusetts |
| 20 | Irene E. Lacey | 11 | Daughter | — | Massachusetts |
| 21 | Deanie G. Lacey | 9 | Daughter | — | Massachusetts |
| 22 | Shirley N. Lacey | 7 | Daughter | — | Massachusetts |
| 23 | Ralph D. Browne | 40 | Head | Extractor | Massachusetts |
| 24 | Katherine E. Browne | 35 | Wife | Stitcher | Ohio |
| 25 | Samuel Swartz | 36 | Lodger | House Cleaner | Poland |
| 26 | Joseph Starr | 32 | Head | Demolition | Massachusetts |
| 27 | Palvora A. Starr | 10 | Daughter | — | Massachusetts |
| 28 | Jean L. Scola | 18 | Sister | New Worker | Massachusetts |
| 29 | Helen K. Clifford | 36 | Head | — | Massachusetts |
| 30 | Arthur C. Clifford | 13 | Son | — | Massachusetts |
| 31 | Jeane S. Clifford | 12 | Daughter | — | Massachusetts |
| 32 | Dorothy C. Clifford | 9 | Daughter | — | Massachusetts |
| 33 | Helen Clifford | 8 | Daughter | — | Massachusetts |
| 34 | Denis Keohane | 60 | Head | Laborer | Eire |
| 35 | Mary Keohane | 54 | Wife | — | Eire |
| 36 | Gustave Bolhaun | 41 | Head | Mechanic | Massachusetts |
| 37 | Agnes Bolhaun | 41 | Wife | — | Massachusetts |
| 38 | Gustave Bolhaun | 14 | Son | — | Massachusetts |
| 39 | Elizabeth Bolhaun | 9 | Daughter | — | Massachusetts |
| 40 | George Bolhaun | 5 | Son | — | 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)