MD
Mary Doherty — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Doherty across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 10-person household.
Age 41
b. ~1889
Female
Spouse
Born: Maine
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 25 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Cambridge 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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Doherty | Son | — | 15 | ~1915 |
| Martin Doherty | Son | — | 11 | ~1919 |
| Josephine Doherty | Daughter | — | 8 | ~1922 |
| Mary Doherty | Spouse | — | 41 | ~1889 |
| Joan Doherty | Daughter | — | 7 | ~1923 |
| Thomas Doherty | Son | — | 12 | ~1918 |
| John Doherty | Son | — | 10 | ~1920 |
| Francis Doherty | Son | — | 14 | ~1916 |
| James Doherty | Head | — | 41 | ~1889 |
| Mary Doherty | Daughter | — | 17 | ~1913 |
Census Appearances
1920
Middlesex, Massachusetts
Spouse, age 29
Middlesex, Massachusetts · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Myrtle |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Middlesex, Massachusetts
Spouse, age 41
Middlesex, Massachusetts · implied b. ~1889 — 10 household members
| Surname | Doherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 25 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Spouse, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | Myrtle A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Melrose city |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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
Spouse · 1930 · age 41 · b. ~1889 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
44 people indexed on this census page (ia:1930:massachusettscensus00reel916:1045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 57 | John Mcadam | 41 | Head | — | Canada English |
| 58 | Sarah Mcadam | 43 | Wife | — | Massachusetts |
| 59 | John Mcadam | 17 | Son | — | Massachusetts |
| 60 | Robert Mcadam | 15 | Son | — | Massachusetts |
| 61 | Ruth Mcadam | 13 | Daughter | — | Massachusetts |
| 62 | John Lazarus | 45 | Head | — | Lithuania |
| 63 | Mary Lazarus | 41 | Wife | — | Lithuania |
| 64 | Josephine Lazarus | 19 | Daughter | Folder | Massachusetts |
| 65 | Helen Lazarus | 15 | Daughter | — | Massachusetts |
| 66 | John Lazarus | 13 | Son | — | Massachusetts |
| 67 | Frank Lazarus | 30 | Head | Plasterer | Massachusetts |
| 68 | Mary Lazarus | 28 | Wife | — | Canada English |
| 69 | Frank Lazarus | 5 | Son | — | Massachusetts |
| 70 | William Lazarus | 2 | Son | — | Massachusetts |
| 71 | William V. Lazarus | 25 | Brother | Plasterer | Massachusetts |
| 72 | Mary Lazarus | 68 | Mother | — | Lithuania |
| 73 | Joseph Lazarus | 21 | Brother | — | Massachusetts |
| 74 | James Doherty | 41 | Head | Foreman | Ireland |
| 75 | Mary Doherty THIS PERSON | 41 | Wife | — | Maine |
| 76 | James Doherty | 15 | Son | — | Massachusetts |
| 77 | Martin Doherty | 11 | Son | — | Massachusetts |
| 78 | Mary Doherty | 17 | Daughter | — | Massachusetts |
| 79 | John Doherty | 10 | Son | — | Massachusetts |
| 80 | Thomas Doherty | 12 | Son | — | Massachusetts |
| 81 | Francis Doherty | 14 | Son | — | Massachusetts |
| 82 | Josephine Doherty | 8 | Daughter | — | Massachusetts |
| 83 | Joan Doherty | 7 | Daughter | — | Massachusetts |
| 84 | John Doherty | 54 | Head | Janitor | Massachusetts |
| 85 | Mary Doherty | 54 | Wife | — | Massachusetts |
| 86 | John Doherty | 22 | Son | Draftsman | Massachusetts |
| 87 | William Doherty | 20 | Son | Draftsman | Massachusetts |
| 88 | Robert Doherty | 18 | Son | — | Massachusetts |
| 89 | Alice Doherty | 51 | Head | — | Ireland |
| 90 | Alice Doherty | 22 | Daughter | Bookkeeper | Massachusetts |
| 91 | Josephine Doherty | 20 | Daughter | Bookkeeper | Massachusetts |
| 92 | John Doherty | 18 | Son | — | Massachusetts |
| 93 | John Doherty | 47 | Head | Manager | Massachusetts |
| 94 | Mary Doherty | 41 | Wife | — | Ireland |
| 95 | John Doherty | 19 | Son | — | Massachusetts |
| 96 | Mary Doherty | 13 | Daughter | — | Massachusetts |
| 97 | Alice Doherty | 11 | Daughter | — | Massachusetts |
| 98 | Helen Doherty | 11 | Daughter | — | Massachusetts |
| 99 | James Doherty | 9 | Son | — | Massachusetts |
| 100 | William Doherty | 4 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)