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William Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monterey-County, California
Our Model Tree links this William Sweeney across the 1920, 1930 and 1940 US Censuses in Monterey-County, California (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monterey-County, California |
| Surname | Sweeney |
| Given Name | William P. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Pacific Grove |
| 1935 Residence (County) | Monterey |
| Additional Details | |
| Occupation | Contractor |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 156 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Contractor |
| Township / Ward | Pacific Grove |
| Est. Birth Year | ~1883 |
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 |
|---|---|---|---|---|
| Pauline Sweeney | Daughter | — | 15 | ~1925 |
| William Sweeney | Head | — | 57 | ~1883 |
| Lena Sweeney | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Monterey, California
Head, age 37
Monterey, California · implied b. ~1883
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Sweeney |
| Given Name | William P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Carpenter |
| Industry | General |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Monterey, California
Head, age 47
Monterey, California · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | William F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 21 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Contractor |
| Industry | Building |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Monterey-County, California
Head, age 57
Monterey-County, California · implied b. ~1883 — 3 household members
| Surname | Sweeney |
| Given Name | William P. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Pacific Grove |
| 1935 Residence (County) | Monterey |
| Occupation | Contractor |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 156 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Sweeney 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 Sweeney
Head · 1940 · age 57 · b. ~1883 · California
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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 — Monterey-County, California
Open full size
1940 US Federal Census — Monterey-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00268-00694)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Joan Black | 11 | daughter | — | California |
| 2 | Black | None | — | — | — |
| 3 | Mina Bryan | 63 | head | — | Florida |
| 4 | — | None | — | — | — |
| 5 | — | None | — | — | — |
| 6 | — | None | — | — | — |
| 7 | Albert F. Neasly | 66 | head | — | Kansas |
| 8 | Mary Belle Neasly | 60 | wife | — | Washington |
| 9 | Marion Sylvester | 69 | head | Dressmaker | Nevada |
| 10 | Joy Sylvester | 10 | daughter | — | California |
| 11 | Roberta Sylvester | 12 | daughter | — | California |
| 12 | Myola Sprague | 23 | daughter | Cashier | Nevada |
| 13 | — | None | — | — | — |
| 14 | James Kavanaugh | 58 | head | Gardner | New York |
| 15 | Milton Anderson | 34 | head | Service Manager | Washington |
| 16 | Claire Anderson | 31 | wife | — | Illinois |
| 17 | Phillice Reese | 15 | daughter | — | California |
| 18 | William P. Sweeney THIS PERSON | 57 | head | Contractor | Michigan |
| 19 | Lena Sweeney | 54 | wife | — | Michigan |
| 20 | Pauline Sweeney | 15 | daughter | — | California |
| 21 | Leona Leatman | 42 | head | — | Iowa |
| 22 | Fred H. Vintray | 32 | head | Mechanic | California |
| 23 | Minnie Vintray | 35 | wife | — | Oklahoma |
| 24 | June Vintray | 9 | daughter | — | California |
| 25 | Mary Vintray | 6 | daughter | — | California |
| 26 | Rose Marie Kowhe | 31 | head | Practical Nurse | Iowa |
| 27 | Francis Joseph Kowhe | 9 | son | — | California |
| 28 | Henry Elton Kowhe | 7 | son | — | California |
| 29 | — | None | — | — | — |
| 30 | Mary Hanna Edwards | 81 | head | — | Illinois |
| 31 | Louise Katherine Dempsey | 28 | companion | Companion | Wisconsin |
| 32 | Georgia Plummer | 81 | head | — | Wisconsin |
| 33 | Basil Plummer | 58 | daughter | Childrens Dressmaker | Michigan |
| 34 | Georgia Lytle | 22 | granddaughter | — | New York |
| 35 | Lucila Lewis | 26 | head | — | Washington |
| 36 | Rose Stalewski | 24 | boarder | — | Washington |
| 37 | George Norton | 26 | head | Laborer | Washington |
| 38 | Norton | 19 | wife | — | Oklahoma |
| 39 | Charlotte Scofield | 66 | head | Saleswoman | Michigan |
| 40 | — | None | — | — | — |
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)