MD
Mary Donovan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 3-person household.
Age 58
b. ~1872
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Donovan |
| Given Name | Mary S |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Medford City |
| Est. Birth Year | ~1872 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Bullard | Daughter | — | 28 | ~1902 |
| Mary Donovan | Head | — | 58 | ~1872 |
| Edward Donovan | Son | — | 23 | ~1907 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 50
Middlesex, Massachusetts · implied b. ~1870
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | ireland |
1930
Middlesex, Massachusetts
Head, age 58
Middlesex, Massachusetts · implied b. ~1872 — 3 household members
| Surname | Donovan |
| Given Name | Mary S |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 19 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Middlesex-County, Massachusetts
Other, age 68
Middlesex-County, Massachusetts · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Single |
| Birthplace | Ireland |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Alien |
| Occupation | Laundress |
| Industry | Private Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Donovan
Head · 1930 · age 58 · b. ~1872 · 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
50 people indexed on this census page (ia:1930:massachusettscensus00reel924:0952)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Phyllis Cook | 24 | daughter | None | Massachusetts |
| 52 | Shirley E Cook | 22 | daughter | None | Massachusetts |
| 53 | Charles E Brown | 40 | Head | Teacher | New Hampshire |
| 54 | Maude S Brown | 41 | Wife | None | New Hampshire |
| 55 | Lucille S Brown | 13 | Daughter | None | Massachusetts |
| 56 | Gallant S Arsene | 43 | Head | Owner | Canada English |
| 57 | Edith S Arsene | 36 | Wife | None | New York |
| 58 | Oscar W Ferris | 53 | Head | Office Manager | Vermont |
| 59 | Edna M Ferris | 52 | Wife | None | New Hampshire |
| 60 | Fred H Ferris | 28 | Son | Instructor | Vermont |
| 61 | James G Boyd | 41 | Head | Owner | United States |
| 62 | Ethel M Boyd | 40 | Wife | None | Massachusetts |
| 63 | Lucilla Boyd | 9 | Daughter | None | Massachusetts |
| 64 | Beatrice Boyd | 3 | Daughter | None | Massachusetts |
| 65 | Alice S Eaton | 24 | Niece | Teacher | Massachusetts |
| 66 | Cecelia V Fitzpatrick | 29 | Boarder | Nurse | Canada English |
| 67 | George W Whiting | 64 | Head | Doctor | Maine |
| 68 | Alice H Whiting | 57 | Wife | None | Massachusetts |
| 69 | Hazel Whiting | 24 | Daughter | Secretary | Massachusetts |
| 70 | Sidney Whiting | 23 | Son | None | Massachusetts |
| 71 | Edith E Molyneaux | 48 | Servant | Maid | Canada English |
| 72 | Mary S Donovan THIS PERSON | 58 | Head | None | Ireland |
| 73 | Edward M Donovan | 23 | Son | Drug Clerk | Massachusetts |
| 74 | Elizabeth Bullard | 28 | Daughter | None | Massachusetts |
| 75 | John Lemos | 55 | Head | Owner | Italy |
| 76 | Grace Lemos | 48 | Wife | None | France |
| 77 | Lucretia Lemos | 26 | Daughter | None | Massachusetts |
| 78 | Leonard Lemos | 23 | Son | Salesman | Massachusetts |
| 79 | Vincent Bettalli | 42 | Brother | Specialist | Italy |
| 80 | Barbara Bettalli | 38 | Sister-in-law | None | Massachusetts |
| 81 | Irene Bettalli | 10 | Niece | None | Massachusetts |
| 82 | Vincent Bettalli | 7 | Nephew | None | Massachusetts |
| 83 | Charles J Pierce | 65 | Head | Agent | Vermont |
| 84 | Sarah E Pierce | 54 | Wife | None | Vermont |
| 85 | Edith H Pierce | 21 | Daughter | None | Vermont |
| 86 | Henry W Taylor | 45 | Head | President | Massachusetts |
| 87 | Katherine Taylor | 45 | Wife | None | Pennsylvania |
| 88 | Doris B Taylor | 17 | Son | None | Massachusetts |
| 89 | Beverly Taylor | 5 | Daughter | None | Massachusetts |
| 90 | James Dennison | 60 | Head | Owner | Ireland |
| 91 | Catherine Dennison | 65 | Wife | None | Massachusetts |
| 92 | Oscar G Friedman | 46 | Head | Manager | Ohio |
| 93 | Mabel H Friedman | 35 | Wife | None | Canada English |
| 94 | Allan G Ritchie | 52 | Head | Owner | Canada English |
| 95 | Agnes S Ritchie | 55 | Wife | None | Scotland |
| 96 | Agnes S Ritchie | 22 | Daughter | Librarian | Massachusetts |
| 97 | Catherine G Ritchie | 21 | Daughter | Secretary | Massachusetts |
| 98 | William J Abraham | 50 | Head | Owner | Canada English |
| 99 | Annie S Abraham | 41 | Wife | None | Massachusetts |
| 100 | Emma M Abraham | 17 | Daughter | None | 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)