MH
Mary Haggerty — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Haggerty across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 7-person household.
Age 40
b. ~1890
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Haggerty |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winchester Town |
| Est. Birth Year | ~1890 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Haggerty | Daughter | — | 14 | ~1916 |
| Charles Haggerty | Son | — | 10 | ~1920 |
| Evelyn Haggerty | Daughter | — | 11 | ~1919 |
| Arthur Haggerty | Son | — | 6 | ~1924 |
| Charles Haggerty | Head | — | 46 | ~1884 |
| Catherine Haggerty | Daughter | — | 7 | ~1923 |
| Mary Haggerty | Spouse | — | 40 | ~1890 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 40
Middlesex, Massachusetts · implied b. ~1890 — 7 household members
| Surname | Haggerty |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| 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
Middlesex-County, Massachusetts
Head, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hagerty |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Middlesex |
| 1935 Residence (County) | Middlesex |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Haggerty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Haggerty
Spouse · 1930 · age 40 · b. ~1890 · 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
48 people indexed on this census page (ia:1930:massachusettscensus00reel932:0432)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Hanley | 45 | Head | Foreman | Irish Free State |
| 52 | Delia L. Hanley | 44 | Wife | — | Irish Free State |
| 53 | Mary E. Hanley | 22 | Daughter | Stenographer | Massachusetts |
| 54 | Eleanor L. Hanley | 19 | Daughter | Stenographer | Massachusetts |
| 55 | Marguerite Hanley | 16 | Daughter | — | Massachusetts |
| 56 | William Hanley | 13 | Son | — | Massachusetts |
| 57 | Harold J. Larson | 33 | Head | Painter | Massachusetts |
| 58 | Mary H. Larson | 31 | Wife | — | Canada English |
| 59 | Ida G. Larson | 12 | Daughter | — | Massachusetts |
| 60 | Harold R. Larson | 11 | Son | — | Massachusetts |
| 61 | Warren H. Larson | 8 | Son | — | Massachusetts |
| 62 | Clarence L. Osborne | 28 | Head | Carpenter | Massachusetts |
| 63 | Blossom M. Osborne | 21 | Wife | — | Canada English |
| 64 | Sally L. Osborne | 3 | Daughter | — | Massachusetts |
| 65 | George L. Osborne | 2 | Son | — | Massachusetts |
| 66 | Roger W. Osborne | 0 | Son | — | Massachusetts |
| 67 | Margaret A. Boyle | 56 | Head | — | Irish Free State |
| 68 | Mary L. Boyle | 27 | Daughter | Secretary | Massachusetts |
| 69 | Mildred M. Boyle | 24 | Daughter | Sales Supervisor | Massachusetts |
| 70 | Carlene C. Boyle | 21 | Daughter | Secretary | Massachusetts |
| 71 | Grace D. Boyle | 16 | Daughter | — | Massachusetts |
| 72 | Catherine Sullivan | 50 | Head | — | Massachusetts |
| 73 | Mary L. Sullivan | 19 | Daughter | — | Massachusetts |
| 74 | Catherine A. Sullivan | 17 | Daughter | Operator | Massachusetts |
| 75 | William D. Sullivan | 15 | Son | — | Massachusetts |
| 76 | John Murphy | 58 | Boarder | Leather Worker | Pennsylvania |
| 77 | Timothy Dwyer | 56 | Boarder | Laborer | Irish Free State |
| 78 | Joseph L. Sabin | 29 | Boarder | Painter | Connecticut |
| 79 | John Callahan | 32 | Boarder | Chauffeur | Irish Free State |
| 80 | Edward Ahearn | 58 | Uncle | — | Irish Free State |
| 81 | Charles F. Haggerty | 46 | Head | — | Massachusetts |
| 82 | Mary A. Haggerty THIS PERSON | 40 | Wife | — | Massachusetts |
| 83 | Mary A. Haggerty | 14 | Daughter | — | Massachusetts |
| 84 | Evelyn Haggerty | 11 | Daughter | — | Massachusetts |
| 85 | Charles F. Jr. Haggerty | 10 | Son | — | Massachusetts |
| 86 | Catherine Haggerty | 7 | Daughter | — | Massachusetts |
| 87 | Arthur J. Haggerty | 6 | Son | — | Massachusetts |
| 88 | Joseph Duran | 27 | Head | Laborer | Maine |
| 89 | Mary Duran | 38 | Wife | — | Massachusetts |
| 90 | Joseph Duran | 5 | Son | — | Massachusetts |
| 91 | Ellen Duran | 67 | Mother | — | Irish Free State |
| 93 | William J. Horn | 44 | Head | Leather Work | Massachusetts |
| 94 | Gertrude G. Horn | 43 | Wife | — | Massachusetts |
| 95 | Dorothy G. Horn | 22 | Daughter | Actress | Massachusetts |
| 96 | Julia F. Bennett | 34 | Head | Servant | Massachusetts |
| 97 | William Bennett | 12 | Son | — | Massachusetts |
| 98 | Leo F. Bennett | 9 | Son | — | Massachusetts |
| 99 | G. Irene Bennett | 6 | Daughter | — | 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)