JD
James Donovan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this James Donovan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 13-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1927 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Donovan | Daughter | — | 17 | ~1923 |
| Alice Donovan | Daughter | — | 19 | ~1921 |
| Alice Donovan | Spouse | — | 41 | ~1899 |
| Anne Donovan | Daughter | — | 10 | ~1930 |
| Vincent Donovan | Son | — | 24 | ~1916 |
| Eugene Donovan | Son | — | 8 | ~1932 |
| Robert Donovan | Son | — | 12 | ~1928 |
| William Donovan | Son | — | 7 | ~1933 |
| James Donovan | Son | — | 13 | ~1927 |
| Helen Donovan | Daughter | — | 5 | ~1935 |
| Samuel Donovan | Head | — | 65 | ~1875 |
| Francis Donovan | Son | — | 27 | ~1913 |
| Mary Donovan | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunovin |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 13 household members
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 6 |
| 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 James Donovan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Donovan
Son · 1940 · age 13 · b. ~1927 · Massachusetts
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Sibling
Mary Donovan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Donovan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Donovan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donovan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Donovan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Donovan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Donovan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Donovan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donovan
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Donovan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01669-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Toole | 10 | Son | — | Massachusetts |
| 42 | James Toole | 8 | Son | — | Massachusetts |
| 43 | Muriel Toole | 7 | Daughter | — | Massachusetts |
| 44 | David Toole | 3 | Son | — | Massachusetts |
| 45 | Thomas Toole | 1 | Son | — | Massachusetts |
| 46 | John Dennison | 55 | Head | Laborer | Washington |
| 47 | Mary Dennison | 50 | Wife | — | Newfoundland |
| 48 | Mary Dennison | 22 | Daughter | Labeler | Massachusetts |
| 49 | Lawrence Hickey | 46 | Head | Coalman | Canada |
| 50 | Ida Hickey | 49 | Wife | — | Canada |
| 51 | Rita Hickey | 22 | Daughter | Machine Operator | Massachusetts |
| 52 | John Hickey | 20 | Son | Machine Operator | Massachusetts |
| 53 | Marguerite Hickey | 18 | Daughter | Wool Worker | Massachusetts |
| 54 | Vera Hickey | 17 | Daughter | Wool Worker | Massachusetts |
| 55 | Thomas Hickey | 14 | Son | — | Massachusetts |
| 56 | Marion Hickey | 12 | Daughter | — | Massachusetts |
| 57 | Alexander Hickey | 56 | Brother | — | Canada |
| 58 | John Grant | 51 | Head | Metal Finisher | Massachusetts |
| 59 | Florence Grant | 50 | Wife | — | Massachusetts |
| 60 | Norman Grant | 19 | Son | Wool Worker | Massachusetts |
| 61 | Calvin Grant | 16 | Son | — | Massachusetts |
| 62 | Paul Grant | 11 | Son | — | Massachusetts |
| 63 | Richard Grant | 10 | Son | — | Massachusetts |
| 64 | Lawrence Grant | 9 | Son | — | Massachusetts |
| 65 | Malcolm Grant | 7 | Son | — | Massachusetts |
| 66 | Samuel Donovan | 65 | Head | Mechanic | Eire |
| 67 | Alice Donovan | 41 | Wife | — | New Hampshire |
| 68 | Francis Donovan | 27 | Son | Laborer | New Hampshire |
| 69 | Vincent Donovan | 24 | Son | Wool Worker | Massachusetts |
| 70 | Alice Donovan | 19 | Daughter | Waitress Helper | Massachusetts |
| 71 | Mary Donovan | 18 | Daughter | Waitress Helper | Massachusetts |
| 72 | Margaret Donovan | 17 | Daughter | — | Massachusetts |
| 73 | James Donovan THIS PERSON | 13 | Son | — | Massachusetts |
| 74 | Robert Donovan | 12 | Son | — | Massachusetts |
| 75 | Eugene Donovan | 8 | Son | — | Massachusetts |
| 76 | William Donovan | 7 | Son | — | Massachusetts |
| 77 | Anne Donovan | 10 | Daughter | — | Massachusetts |
| 78 | Helen Donovan | 5 | Daughter | — | Massachusetts |
| 79 | Bridget Broderick | 45 | Head | Domestic | Eire |
| 80 | John Broderick | 24 | Son | Domestic | 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)