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William Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this William Leonard across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Leonard |
| Given Name | William P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Brockton |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Vamper |
| Industry | Shoe factory |
| Class of Worker | PW |
| Income (1939) | 760 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Vamper |
| Township / Ward | Brockton |
| Est. Birth Year | ~1881 |
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 |
|---|---|---|---|---|
| William Leonard | Head | — | 59 | ~1881 |
| Stillman Leonard | Son | — | 17 | ~1923 |
| Maria Leonard | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Plymouth, Massachusetts
Head, age 39
Plymouth, Massachusetts · implied b. ~1881 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Comper |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Plymouth, Massachusetts
Head, age 49
Plymouth, Massachusetts · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 28 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Vamper |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5300 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Plymouth-County, Massachusetts
Head, age 59
Plymouth-County, Massachusetts · implied b. ~1881 — 3 household members
| Surname | Leonard |
| Given Name | William P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Brockton |
| 1935 Residence (County) | Plymouth |
| Occupation | Vamper |
| Industry | Shoe factory |
| Class of Worker | PW |
| Income (1939) | 760 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Leonard
Head · 1940 · age 59 · b. ~1881 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01637-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Saad, Joseph Saad | 15 | Son | — | Massachusetts |
| 2 | George Saad | 11 | Son | — | Massachusetts |
| 3 | Thomas Barry | 50 | Head | Clerk | Massachusetts |
| 4 | Ernestine Barry | 51 | Wife | — | Massachusetts |
| 5 | Ernest Landry | 53 | Head | Clerk (Delivery) | Canada-French |
| 6 | Mabel Landry | 51 | Wife | — | Canada-French |
| 7 | Zoe Gelinas | 60 | Head | Matron | Massachusetts |
| 8 | Josephine Gelinas | 53 | Sister | Nurse | Massachusetts |
| 9 | Michael Petrone | 41 | Head | Wood Carver | Italy |
| 10 | Julia Petrone | 43 | Wife | Lacing | Italy |
| 11 | Michael Petrone | 23 | Son | Mail Maker | Massachusetts |
| 12 | Tony Petrone | 21 | Son | Janitor | Massachusetts |
| 13 | Peter G. Sullivan | 30 | Head | Proprietor | Massachusetts |
| 14 | Nina Sullivan | 26 | Wife | Puncher | Massachusetts |
| 15 | Dominic Garcia | 59 | Head | — | Italy |
| 16 | Maria Garcia | 55 | Wife | — | Italy |
| 17 | Angel Garcia | 20 | Daughter | Brill Trimmings | Massachusetts |
| 18 | Mary Garcia | 18 | Daughter | — | Massachusetts |
| 19 | Concetta Garcia | 16 | Daughter | — | Massachusetts |
| 20 | Frank Spadea | 32 | Head | Laster | Italy |
| 21 | Julia Spadea | 24 | Wife | — | Massachusetts |
| 22 | Joseph Spadea | 3 | Son | — | Massachusetts |
| 23 | Dominic Spadea | 1 | Son | — | Massachusetts |
| 24 | William Puffer | 26 | Head | Proprietor | Massachusetts |
| 25 | Harold W. Puffer | 32 | Nephew | Edge Trimmer | Massachusetts |
| 26 | William P. Leonard THIS PERSON | 59 | Head | Vamper | Indiana |
| 27 | Maria Leonard | 58 | Wife | — | Canada-English |
| 28 | Stillman Leonard | 17 | Son | — | Massachusetts |
| 29 | Lester Whitten | 47 | Head | Mechanic | Massachusetts |
| 30 | Catherine Whitten | 44 | Wife | — | Massachusetts |
| 31 | Barbara Whitten | 18 | Daughter | — | Massachusetts |
| 32 | Carrie Nickerson | 64 | Head | — | Massachusetts |
| 33 | Mabel Nickerson | 46 | Daughter | Bookkeeper | Massachusetts |
| 34 | Angelo Kovatis | 45 | Head | Dresser | Greece |
| 35 | Etta Kovatis | 46 | Wife | — | Greece |
| 36 | Peter P. Kovatis | 22 | Son | Clerk | New Hampshire |
| 37 | Annie Kovatis | 20 | Daughter | Waitress | Massachusetts |
| 38 | Cynthia Kovatis | 15 | Daughter | — | Massachusetts |
| 39 | Louis Parrish | 38 | Head | Laborer | Massachusetts |
| 40 | Hazel Parrish | 36 | Wife | Tapper | Massachusetts |
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)