MD
Mary Donovan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Donovan |
| Given Name | Mary T |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Margaret Donovan | Daughter | — | 10 | ~1930 |
| Patrick Donovan | Head | — | 40 | ~1900 |
| James Donovan | Son | — | 7 | ~1933 |
| William Donovan | Son | — | 12 | ~1928 |
| John Donovan | Son | — | 12 | ~1928 |
| Patrick Donovan | Son | — | 5 | ~1935 |
| Maurice Donovan | Son | — | 9 | ~1931 |
| Mary Donovan | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 24
Suffolk, Massachusetts · implied b. ~1896 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1912 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1917 |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Spouse, age 34
Suffolk, Massachusetts · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Spouse, age 40
Suffolk-County, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Donovan |
| Given Name | Mary T |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 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.
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This person
Anchor record
Mary Donovan
Spouse · 1940 · age 40 · b. ~1900 · 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
39 people indexed on this census page (nara:1940:m-t0627-01677-00022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George P Moran | 18 | Son | Dish Washer | Mass |
| 2 | Mary M Moran | 17 | daughter | — | Mass |
| 3 | John L Moran | 16 | son | — | Mass |
| 5 | Page Jr Bunker | 34 | Head | Machine Designer | Montana |
| 6 | Evelyn Bunker | 33 | wife | — | Mass |
| 7 | Page 3D Bunker | 11 | son | — | Mass |
| 8 | Doris Bunker | 4 | daughter | — | Alabama |
| 9 | Maurice Beeman | 43 | Head | Compositor | Mass |
| 10 | Margery Beeman | 41 | wife | — | Mass |
| 11 | Charlotte Beeman | 10 | daughter | — | Mass |
| 12 | Jordan Annie Beeman | 71 | mother-in-law | — | England |
| 13 | Catherine F Gebhardt | 54 | Head | — | Mass |
| 14 | Frances C Gebhardt | 25 | daughter | Office Worker | Mass |
| 15 | Gladys G Smith | 31 | daughter | Instructor | Mass |
| 16 | Emmett R Smith | 32 | son in law | Office Worker | Mass |
| 17 | Robert G Burns | 50 | brother | Laborer | Mass |
| 18 | John F Keal | 47 | Head | Electrician | Holland |
| 19 | Anna R Keal | 47 | wife | — | Holland |
| 20 | Johanna Keal | 24 | daughter | Waitress | Holland |
| 21 | John F. Keal | 18 | son | Silver Washer | Holland |
| 22 | Adrian J. Keal | 12 | son | — | Mass |
| 23 | Patrick J. Donovan | 40 | Head | Chauffeur | Ireland |
| 24 | Mary T Donovan THIS PERSON | 40 | wife | — | Ireland |
| 25 | John Donovan | 12 | son | — | Mass |
| 26 | Margaret Donovan | 10 | daughter | — | Mass |
| 27 | Maurice F Donovan | 9 | son | — | Mass |
| 28 | James Donovan | 7 | son | — | Mass |
| 29 | Patrick Jr. Donovan | 5 | son | — | Mass |
| 30 | William Donovan | 12 | son | — | Mass |
| 31 | William Halligan | 45 | Head | Operator | Mass |
| 32 | Christine Halligan | 42 | wife | — | Mass |
| 33 | Russell Halligan | 24 | son | Office Clerk | Mass |
| 34 | Peter H. Dundal | 67 | Head | Stone Cutter | Germany |
| 35 | Maria B. Dundal | 41 | wife | — | Germany |
| 36 | Peter H. Jr. Dundal | 8 | son | — | Mass |
| 37 | Joseph E Dundal | 6 | son | — | Mass |
| 38 | James Collins | 40 | Head | Commercial Salesman | Mass |
| 39 | Margaret Collins | 34 | wife | — | Mass |
| 40 | Kathleen Collins | 5 | daughter | — | Mass |
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)