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William Hoffman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Hoffman across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 3-person household.
Age 75
b. ~1865
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hoffman |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Roofer |
| Industry | Roofing |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Roofer |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1865 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Isabel Hoffman | Daughter | — | 17 | ~1923 |
| William Hoffman | Head | — | 75 | ~1865 |
| Kathleen Hoffman | Spouse | — | 37 | ~1903 |
Census Appearances
Head, age 55
Middlesex, Massachusetts · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Huffman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Foreman |
| Industry | Silk Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 66
Middlesex, Massachusetts · implied b. ~1864 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hoffman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Fore-man |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 31 |
| Veteran | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 75
Middlesex-County, Massachusetts · implied b. ~1865 — 3 household members
| Surname | Hoffman |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | Roofer |
| Industry | Roofing |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 William Hoffman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Hoffman
Head · 1940 · age 75 · b. ~1865 · Massachusetts
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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
40 people indexed on this census page (nara:1940:m-t0627-01705-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret M. Gunning | 71 | Mother | — | Eire |
| 42 | Carl C. Rodenhiser | 38 | Head | House Painter | Canada |
| 43 | Alberta M. Rodenhiser | 30 | Wife | — | Massachusetts |
| 44 | Earl C. Jr. Rodenhiser | 12 | Son | — | Massachusetts |
| 45 | Evelyn M. Rodenhiser | 11 | Daughter | — | Massachusetts |
| 46 | Carol A. Rodenhiser | 2 | Daughter | — | Massachusetts |
| 47 | Walter L. Nelson | 34 | Head | Truck Driver | Massachusetts |
| 48 | Louise T. Nelson | 33 | Wife | — | Belgium |
| 49 | Marilyn Nelson | 9 | Daughter | — | New York |
| 50 | Anthony Montuori | 56 | Head | Barber | Italy |
| 51 | Evelyn C. Montuori | 52 | Wife | — | Italy |
| 52 | Catherine Montuori | 21 | Daughter | Clerical Office | Massachusetts |
| 53 | Ralph R. Montuori | 19 | Son | Lens Maker | Massachusetts |
| 54 | William J. Montuori | 13 | Son | — | Massachusetts |
| 55 | Alfred A. Montuori | 11 | Son | — | Massachusetts |
| 56 | George Donald | 39 | Head | Elevator Operator | Scotland |
| 57 | Florine M. Donald | 31 | Wife | — | Canada |
| 58 | John E. Donald | 5 | Son | — | Massachusetts |
| 59 | William L. Donald | 3 | Son | — | Massachusetts |
| 60 | Robert S. Magee | 30 | Head | Truck Driver | Massachusetts |
| 61 | Ruth B. Magee | 26 | Wife | — | Massachusetts |
| 62 | William H. Hoffman THIS PERSON | 75 | Head | Roofer | Massachusetts |
| 63 | Kathleen Hoffman | 37 | Wife | — | Massachusetts |
| 64 | Isabel L. Hoffman | 17 | Daughter | — | Massachusetts |
| 65 | William Kaufman | 55 | Head | Real Estate Broker | New York |
| 66 | Cleo M. Kaufman | 52 | Wife | — | New Hampshire |
| 67 | Felix Lapearl | 77 | Head | — | Vermont |
| 68 | Mary E. Lapearl | 68 | Wife | — | Canada |
| 69 | Helen S. Lapearl | 39 | Daughter | Packer | Massachusetts |
| 70 | Leo J. Boutin | 42 | Head | Plumber | Massachusetts |
| 71 | Mary A. Boutin | 56 | Wife | — | Canada |
| 72 | Anthony W. Boutin | 19 | Son | Mechanical Chemist Asst. | Massachusetts |
| 73 | Lilla J. Boutin | 18 | Daughter | New Worker | Massachusetts |
| 74 | Frank S. Benfante | 61 | Head | Caretaker | Italy |
| 75 | Olivia Q. Benfante | 46 | Wife | — | Italy |
| 76 | Marguerite C. Benfante | 23 | Daughter | Clerical | Massachusetts |
| 77 | Vincent J. Benfante | 21 | Son | Grocery Store Manager | Massachusetts |
| 78 | Cynthia Benfante | 21 | Daughter in law | — | Massachusetts |
| 79 | Beverly G. Benfante | 1 | Daughter | — | Massachusetts |
| 80 | Fred S. Patterson | 50 | Head | Electrical Machinist | 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)