JD
John Donovan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Donovan across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1847), then head of a 8-person household.
Age 73
b. ~1847
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Watchman |
| Industry | Bakery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| Birthplace (normalized) | ireland |
| Occupation | Watchman |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1847 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Fahey | Daughter | — | 46 | ~1874 |
| Margaret Donovan | Daughter | — | 48 | ~1872 |
| John Donovan | Head | — | 73 | ~1847 |
| Edward Fahey | Other | — | 16 | ~1904 |
| William Fahey | Other | — | 18 | ~1902 |
| John Fahey | Other | — | 21 | ~1899 |
| Mary Fahey | Other | — | 10 | ~1910 |
| Margaret Donovan | Spouse | — | 72 | ~1848 |
Census Appearances
1900
Middlesex, Massachusetts
Head, age 50
Middlesex, Massachusetts · implied b. ~1850 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1850 |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Floorman rubber factory |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Head, age 62
Middlesex, Massachusetts · implied b. ~1848 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1865 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Coal Yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Head, age 73
Middlesex, Massachusetts · implied b. ~1847 — 8 household members
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Bakery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1886 |
| 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 John Donovan across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
John Donovan
Head · 1920 · age 73 · b. ~1847 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu707unit:0636)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Antonio | 33 | Head | Laborer | Italy |
| 2 | Mary | 31 | Wife | — | Massachusetts |
| 3 | Carmella | 8 | Daughter | — | Massachusetts |
| 4 | Mary | 6 | Daughter | — | Massachusetts |
| 5 | Tony | 1 | Son | — | Massachusetts |
| 6 | John Lucey | 70 | Head | Watchman | Ireland |
| 7 | Annie Lucey | 38 | Daughter | Stitcher | Massachusetts |
| 8 | Margaret Tynan | 49 | Boarder | Housekeeper | Ireland |
| 9 | John Carroll | 25 | Boarder | Laborer | Massachusetts |
| 10 | Mary Carroll | 45 | Head | Waitress | Ireland |
| 11 | H. Raymond Carroll | 20 | Son | Teamster | Massachusetts |
| 12 | Mary Carroll | 18 | Daughter | — | Massachusetts |
| 13 | George Carroll | 13 | Son | — | Massachusetts |
| 14 | Edward Sexton | 35 | Lodger | Laborer | Ireland |
| 15 | James Doyle | 18 | Lodger | Salesman | Massachusetts |
| 16 | John Doyle | 17 | Lodger | Salesman | Massachusetts |
| 17 | Michael Flynn | 47 | Head | Machinist | Ireland |
| 18 | Nora Flynn | 45 | Wife | — | Ireland |
| 19 | William Flynn | 23 | Son | Shipper | Massachusetts |
| 20 | Edward Flynn | 18 | Son | Clerk | Massachusetts |
| 21 | Alice Flynn | 15 | Daughter | Stenographer | Massachusetts |
| 22 | Margaret Flynn | 12 | Daughter | — | Massachusetts |
| 23 | Mary Flynn | 10 | Daughter | — | Massachusetts |
| 24 | Agnes Flynn | 8 | Daughter | — | Massachusetts |
| 25 | Thomas Delaney | 32 | Head | Fireman | Massachusetts |
| 26 | Mary Delaney | 30 | Wife | — | Massachusetts |
| 27 | Mary Delaney | 5 | Daughter | — | Massachusetts |
| 28 | John Delaney | 3 | Son | — | Massachusetts |
| 29 | Mildred Delaney | 1 | Daughter | — | Massachusetts |
| 30 | John Cummings | 74 | Head | Proprietor | Canada |
| 31 | Mary Cummings | 65 | Wife | Stitcher | Massachusetts |
| 32 | Catherine Cummings | 30 | Daughter | — | Ireland |
| 33 | John Cummings | 12 | Grandson | — | Massachusetts |
| 34 | Helen Cummings | 10 | Grand Daughter | — | Massachusetts |
| 35 | James Cummings | 8 | Grand Son | — | Massachusetts |
| 36 | John Donovan THIS PERSON | 73 | Head | Watchman | Ireland |
| 37 | Margaret Donovan | 72 | Wife | — | Ireland |
| 38 | Margaret Donovan | 48 | Daughter | Forelady | Massachusetts |
| 39 | Mary Fahey | 46 | Daughter | — | Massachusetts |
| 40 | John Fahey | 21 | Grandson | Woodworker | Rhode Island |
| 41 | William Fahey | 18 | Grandson | Chauffeur | Massachusetts |
| 42 | Edward Fahey | 16 | Grandson | Office Clerk | Rhode Island |
| 43 | Mary Fahey | 10 | Grand Daughter | — | Massachusetts |
| 44 | Nathan Kandinsky | 39 | Head | Proprietor | Russia |
| 45 | Ida Kandinsky | 34 | Wife | — | Poland |
| 46 | Madeline Kandinsky | 10 | Daughter | — | Massachusetts |
| 47 | Anthony Kandinsky | 8 | Son | — | Massachusetts |
| 48 | Henry Kandinsky | 6 | Son | — | Massachusetts |
| 49 | Mary Smith | 38 | Lodger | Laborer | Poland |
| 50 | William Kandinsky | 34 | Head | Foreman | Poland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)