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James Donovan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this James Donovan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Josephine — first a son (b.~1913), then head of a 6-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Commentator |
| Industry | W.H.D.H |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Commentator |
| Township / Ward | City Of Cambridge |
| Est. Birth Year | ~1913 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Alice Donovan | Head | — | 50 | ~1890 |
| Francis Donovan | Son | — | 16 | ~1924 |
| James Donovan | Son | — | 27 | ~1913 |
| Edward Donovan | Son | — | 21 | ~1919 |
| Joseph Donovan | Son | — | 23 | ~1917 |
| Gerald Donovan | Son | — | 18 | ~1922 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 5
Middlesex, Massachusetts · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Nova Scotia |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 6 household members
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | Commentator |
| Industry | W.H.D.H |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 800 |
| Highest Grade | Hs 2 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Donovan (~0.92 confidence) and mother Josephine Donovan (~0.92 confidence) and father Francis Donovan (~0.92 confidence) and mother Alice Donovan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Donovan
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Josephine Donovan
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Francis Donovan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Alice Donovan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Donovan
Son · 1940 · age 27 · b. ~1913 · Massachusetts
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Sibling
Francis Donovan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Donovan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donovan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Donovan
Sibling · 1940 · age 18
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-01683-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Dooley | 66 | Head | Custodian | Massachusetts |
| 42 | Christina Dooley | 65 | Wife | — | Nova Scotia |
| 43 | Mary E Dooley | 41 | Daughter | — | Massachusetts |
| 44 | Hugh Smith | 57 | Brother-in-law | — | Nova Scotia |
| 45 | John H Murphy | 36 | Head | Auto Mechanic | Massachusetts |
| 46 | Ellen V Murphy | 35 | Wife | — | Massachusetts |
| 47 | John H Jr Murphy | 14 | Son | — | Massachusetts |
| 48 | Richard J Murphy | 1 | Son | — | Massachusetts |
| 49 | Francis Galvin | 37 | Head | Accountant | Massachusetts |
| 50 | Agnes Galvin | 37 | Wife | — | Massachusetts |
| 51 | Francis L Galvin | 3 | Son | — | Massachusetts |
| 52 | Claire E Galvin | 1 | Daughter | — | Massachusetts |
| 53 | Alice Donovan | 50 | Head | Chambermaid | Massachusetts |
| 54 | James Donovan THIS PERSON | 27 | Son | Commentator | Massachusetts |
| 55 | Joseph Donovan | 23 | Son | — | Massachusetts |
| 56 | Edward Donovan | 21 | Son | New Worker | Massachusetts |
| 57 | Gerald Donovan | 18 | Son | New Worker | Massachusetts |
| 58 | Francis Donovan | 16 | Son | — | Massachusetts |
| 59 | Frank A Lincoln | 46 | Head | Sales Superintendant | Massachusetts |
| 60 | Agnes H Lincoln | 43 | Wife | — | Northern Ireland |
| 61 | Kenneth L Lincoln | 21 | Son | Salesman | Massachusetts |
| 62 | Frank A Mirabile | 46 | Head | Barber | Italy |
| 63 | Annie Mirabile | 37 | Wife | — | Italy |
| 64 | Roy Mirabile | 14 | Son | — | Massachusetts |
| 65 | Conchitina Mirabile | 9 | Daughter | — | Massachusetts |
| 66 | Frank Livoti | 46 | Brother-in-law | Hairdresser | Italy |
| 67 | Margaret Grant | 65 | Head | — | Nova Scotia |
| 68 | Frank Grant | 65 | Husband | Watchman | Nova Scotia |
| 69 | Lillian Peterson | 43 | Daughter | — | Massachusetts |
| 70 | Alice Cox | 38 | Daughter | Salesgirl | Massachusetts |
| 71 | Edward Cox | 10 | Grandson | — | Massachusetts |
Pedigree Summary
James + 4 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)