WC
William Casey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Casey across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Casey |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Soap Wrapper |
| Industry | Soap |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Soap Wrapper |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1902 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Casey | Head | — | 38 | ~1902 |
| Francis Casey | Son | — | 11 | ~1929 |
| Edward Casey | Son | — | 9 | ~1931 |
| William Casey | Son | — | 13 | ~1927 |
| Josephine Casey | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 27
Middlesex, Massachusetts · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Casey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Plumber |
| Industry | Plumbing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 38
Middlesex-County, Massachusetts · implied b. ~1902 — 5 household members
| Surname | Casey |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Cambridge City |
| 1935 Residence (County) | Middlesex |
| Occupation | Soap Wrapper |
| Industry | Soap |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1600 |
| 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 Casey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Casey (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Casey
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Casey
Head · 1940 · age 38 · b. ~1902 · Massachusetts
★ You are viewing this record
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-t0627-01686-00502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emily Frykamen | 75 | Head | — | Sweden |
| 2 | Ellis Alsen | 43 | Head | Valve Machinist | Massachusetts |
| 3 | Ethel E Alsen | 43 | Wife | Bookkeeper | Massachusetts |
| 4 | George F Williams | 63 | Head | Brakeman | New Hampshire |
| 5 | Nellie Mary P Williams | 62 | Housekeeper | Housekeeper | Georgia |
| 6 | Lester Q Lavoie | 36 | Head | Service Station | Massachusetts |
| 7 | Gertrude Lavoie | 35 | Wife | — | New Hampshire |
| 8 | Edward Lavoie | 5 | Son | — | Massachusetts |
| 9 | Lawrence Lavoie | 7 | Son | — | Massachusetts |
| 10 | Gustav Sharpe | 49 | Head | Woodworker | Sweden |
| 11 | Lillie R Sharpe | 45 | Wife | — | Massachusetts |
| 12 | Gustav D Sharpe | 25 | Son | Pharmacist | Massachusetts |
| 13 | George A Sharpe | 22 | Son | Office Mgr. | Massachusetts |
| 14 | Louise R Sharpe | 17 | Daughter | — | Massachusetts |
| 15 | Alfred Desrochers | 22 | Head | Range Oil | Massachusetts |
| 16 | Antoinette Desrochers | 22 | Wife | Press | Massachusetts |
| 17 | James Barry | 38 | Head | Chauffeur | Massachusetts |
| 18 | Margaret Barry | 39 | Wife | — | Massachusetts |
| 19 | Ruth Barry | 10 | Daughter | — | Massachusetts |
| 20 | James Barry | 7 | Son | — | Massachusetts |
| 21 | Eleanor Barry | 0 | Daughter | — | Massachusetts |
| 22 | William Casey THIS PERSON | 38 | Head | Soap Wrapper | Massachusetts |
| 23 | Josephine Casey | 36 | Wife | — | Massachusetts |
| 24 | William Casey | 13 | Son | — | Massachusetts |
| 25 | Francis Casey | 11 | Son | — | Massachusetts |
| 26 | Edward Casey | 9 | Son | — | Massachusetts |
| 27 | Englebert Schopp | 56 | Head | Hotel Clerk | Germany |
| 28 | Bridget Schopp | 51 | Wife | — | Ireland |
| 29 | Ann Schopp | 22 | Daughter | Office Clerk | Massachusetts |
| 30 | Catherine Schopp | 20 | Daughter | Salesgirl | Massachusetts |
| 31 | Englebert Schopp | 14 | Son | Janitor Helper | Massachusetts |
| 32 | Joseph Schopp | 8 | Son | — | Massachusetts |
| 33 | Charles O Manton | 49 | Head | Police Officer | Massachusetts |
| 34 | Juliet G Manton | 44 | Wife | — | Massachusetts |
| 35 | Charles L Manton | 19 | Son | — | Massachusetts |
| 36 | Richard La Flamme | 4 | Lodger | — | Massachusetts |
| 37 | Marie L Gingrass | 72 | Mother | — | New York |
| 38 | Mary Olsen | 53 | Head | — | Massachusetts |
| 39 | Robert Olsen | 24 | Son | Truck Driver | Massachusetts |
| 40 | Gertrude Olsen | 22 | Daughter | Waitress | Massachusetts |
Pedigree Summary
William
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)