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William Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Hogan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hogan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Cambridge |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Drivers helper |
| Industry | Fruits Produce |
| Class of Worker | PW |
| Income (1939) | 432 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Drivers Helper |
| Township / Ward | City Of Cambridge |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Claire Shallow | Daughter | — | 11 | ~1929 |
| Rita Hogan | Daughter | — | 15 | ~1925 |
| Dorothy Shallow | Daughter | — | 12 | ~1928 |
| Marie Shallow | Daughter | — | 13 | ~1927 |
| Margaret Blute | Head | — | 55 | ~1885 |
| Joseph Shallow | Other | — | 27 | ~1913 |
| Francis Sullivan | Other | — | 14 | ~1926 |
| Mary Lane | Other | — | 58 | ~1882 |
| Joseph Haley | Son | — | 17 | ~1923 |
| Arthur Mahoney | Son | — | 39 | ~1901 |
| William Hogan | Son | — | 17 | ~1923 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 8
Middlesex, Massachusetts · implied b. ~1922 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 17
Middlesex-County, Massachusetts · implied b. ~1923 — 11 household members
| Surname | Hogan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Cambridge |
| 1935 Residence (County) | Middlesex |
| Occupation | Drivers helper |
| Industry | Fruits Produce |
| Class of Worker | PW |
| Income (1939) | 432 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| 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 Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hogan
Son · 1940 · age 17 · b. ~1923 · Massachusetts
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Sibling
Claire Shallow
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Hogan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Shallow
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Haley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mahoney
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Shallow
Sibling · 1940 · age 12
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
29 people indexed on this census page (nara:1940:m-t0627-01683-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Following Persons Cox | None | Live in | — | — |
| 2 | Margaret Melanson | 32 | Wife | Beautician | Nova Scotia |
| 3 | Raymond Melanson | 14 | Son | — | Massachusetts |
| 4 | Donald Melanson | 10 | Son | — | Massachusetts |
| 5 | Raymond Brown | 41 | Lodger | Pipers Helper | Massachusetts |
| 6 | Mary Cammarata | 10 | Daughter | — | Massachusetts |
| 7 | Carmelo Cammarata | 9 | Son | — | Massachusetts |
| 8 | Following Persons | None | Live in | — | — |
| 9 | Hena Stathopoulus | 11 | Daughter | — | Massachusetts |
| 10 | Jane Stathopoulus | 10 | Daughter | — | Massachusetts |
| 11 | Gregory Stathopoulus | 2 | Son | — | Massachusetts |
| 12 | Ida @ Ttreault | 35 | Lodger | Stamper | Rhode Island |
| 13 | Following Persons | None | Live in | — | — |
| 14 | Margaret @ Blute | 55 | Head | — | Massachusetts |
| 15 | Marie Shallow | 13 | Daughter | — | Massachusetts |
| 16 | Dorothy Shallow | 12 | Daughter | — | Massachusetts |
| 17 | Claire Shallow | 11 | Daughter | — | Massachusetts |
| 18 | Joseph Shallow | 27 | Brother | Retail Clerk | Massachusetts |
| 19 | William Hogan THIS PERSON | 17 | Son | Drivers Helper | Massachusetts |
| 20 | Rita Hogan | 15 | Daughter | — | Massachusetts |
| 21 | Arthur Jos Mahoney | 39 | Son | Chauffer | Massachusetts |
| 22 | Following Persons | None | Live in | — | — |
| 23 | Francis Sullivan | 14 | Step-son | — | Massachusetts |
| 24 | Following Persons | None | Live in | — | — |
| 25 | Joseph Haley | 17 | Son | — | Massachusetts |
| 26 | Mary Lane | 58 | Mother-in-law | Chambermaid | Connecticut |
| 27 | Marcel Blanchette | 26 | Head | Laborer | Canada English |
| 28 | Bertha Blanchette | 31 | Wife | — | Massachusetts |
| 29 | Mildred Crosse | 16 | Head | Housekeeper | Massachusetts |
Related Census Records
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)