WD
William Donovan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Donovan across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 8-person household.
Age 17
b. ~1913
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Donovan |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Helper |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Helper |
| Township / Ward | Somerville City |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Agnes Donovan | Son | — | 14 | ~1916 |
| Lillian Donovan | Daughter | — | 12 | ~1918 |
| Francis Donovan | Son | — | 5 | ~1925 |
| Gerald Donovan | Son | — | 4 | ~1926 |
| William Donovan | Head | — | 50 | ~1880 |
| Elizabeth Donovan | Spouse | — | 42 | ~1888 |
| Marie Donovan | Daughter | — | 18 | ~1912 |
| William Donovan | Son | — | 17 | ~1913 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1913 — 8 household members
| Surname | Donovan |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Helper |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 William Donovan across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Donovan
Son · 1930 · age 17 · b. ~1913 · Massachusetts
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Sibling
Marie Donovan
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Donovan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Donovan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donovan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Donovan
Sibling · 1930 · age 4
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
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:massachusettscensus00reel928:0178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Raymond Rio | 4 | Son | — | Massachusetts |
| 52 | William Hannerthy | 29 | Head | Driver | Massachusetts |
| 53 | Catherine Hannerthy | 27 | Sister | — | Massachusetts |
| 54 | Morris Hannerthy | 24 | Brother | Chauffeur | Massachusetts |
| 55 | Joseph Hannerthy | 21 | Brother | — | Massachusetts |
| 56 | George O'Rourke | 37 | Head | Chauffeur | Massachusetts |
| 57 | Agatha O'Rourke | 30 | Brother | Laborer | Massachusetts |
| 58 | Irene O'Rourke | 20 | Sister | — | Massachusetts |
| 59 | Joseph Cerralla | 32 | Head | Butcher | Italy |
| 60 | Mary L. Cerralla | 27 | Wife | — | Massachusetts |
| 61 | Stefano Cerralla | 7 | Son | — | Massachusetts |
| 62 | Yolanda Cerralla | 6 | Daughter | — | Massachusetts |
| 63 | Louise Cerralla | 4 | Daughter | — | Massachusetts |
| 64 | Angellina Cerralla | 3 | Daughter | — | Massachusetts |
| 65 | Rose Cerralla | 1 | Daughter | — | Massachusetts |
| 66 | Corado Mungale | 40 | Head | Mixer | Italy |
| 67 | Louise Mungale | 33 | Wife | — | Italy |
| 68 | Vincent Mungale | 8 | Son | — | Massachusetts |
| 69 | Lena Mungale | 7 | Daughter | — | Massachusetts |
| 70 | Maria Mungale | 6 | Daughter | — | Massachusetts |
| 71 | Hugo Mungale | 4 | Son | — | Massachusetts |
| 72 | Dominic Mungale | 2 | Son | — | Massachusetts |
| 73 | Stanley Donovitch | 37 | Head | Boiler Maker | Russia |
| 74 | Jennie Donovitch | 33 | Wife | — | Russia |
| 75 | Frank Donovitch | 14 | Son | — | Massachusetts |
| 76 | Stanley Donovitch | 13 | Son | — | Massachusetts |
| 77 | Nellie Donovitch | 9 | Daughter | — | Massachusetts |
| 78 | Julia Donovitch | 7 | Son | — | Massachusetts |
| 79 | William Donovitch | 2 | Son | — | Massachusetts |
| 80 | Timothy F. Sackry | 68 | Head | — | Massachusetts |
| 81 | Elizabeth F. Sackry | 68 | Wife | — | Massachusetts |
| 82 | Mary A. Sackry | 27 | Daughter | Packer | Massachusetts |
| 83 | William J. Donovan | 50 | Head | Investigator | Massachusetts |
| 84 | Elizabeth A. Donovan | 42 | Wife | — | Massachusetts |
| 85 | Marie E. Donovan | 18 | Daughter | Stenographer | Massachusetts |
| 86 | William J. Donovan THIS PERSON | 17 | Son | Helper | Massachusetts |
| 87 | Agnes F. Donovan | 14 | Son | — | Massachusetts |
| 88 | Lillian F. Donovan | 12 | Daughter | — | Massachusetts |
| 89 | Francis Donovan | 5 | Son | — | Massachusetts |
| 90 | Gerald Donovan | 4 | Son | — | Massachusetts |
| 91 | Jeremiah Regan | 39 | Head | Elevator Operator | Massachusetts |
| 92 | John Regan | 38 | Brother | Laborer | Massachusetts |
| 93 | Nellie Regan | 60 | Mother | — | Irish Free State |
| 94 | Mary Chilosky | 43 | Head | Housekeeper | Poland |
| 95 | Frank Chilosky | 20 | Son | Chauffeur | Massachusetts |
| 96 | Alfrida Wall | 50 | Head | — | Canada English |
| 97 | Mary E. Wall | 29 | Daughter | Chocolate Dipper | Massachusetts |
| 98 | James Wall | 19 | Son | Laborer | Massachusetts |
| 99 | George E. Wall | 17 | Son | — | Massachusetts |
| 100 | John P. Wall | 14 | Son | — | 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)