WF
William Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this William Fox across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents William & Lily — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Fox |
| Given Name | William Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Building Trades |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Plasterer |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Betty Fox | Daughter | — | 1 | ~1939 |
| William Fox | Head | — | 27 | ~1913 |
| William Fox | Son | — | 7 | ~1933 |
| Gene Fox | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Salt Lake, …
Son, age 7
Salt Lake, Utah · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | William E. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 17
Salt Lake, Utah · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Head, age 27
Salt-Lake-County, Utah · implied b. ~1913 — 4 household members
| Surname | Fox |
| Given Name | William Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Plasterer |
| Industry | Building Trades |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Fox (~0.92 confidence) and mother Lily Fox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Fox
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Lily Fox
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Fox
Head · 1940 · age 27 · b. ~1913 · Utah
★ 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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04223-01039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carlie Cromar | 3 | Daughter | — | Utah |
| 42 | Line Extra | None | — | — | — |
| 43 | William H. Clark | 52 | Head | Millwright | Nebraska |
| 44 | Alta Clark | 50 | Wife | — | Missouri |
| 45 | Henry K. Duckworth | 53 | Head | Salesman | Maryland |
| 46 | Marie Duckworth | 42 | Wife | — | Colorado |
| 47 | Patricia Duckworth | 15 | Daughter | — | Utah |
| 48 | Duane Duckworth | 11 | Son | — | Utah |
| 49 | William E. Fox | 54 | Head | Custodian | England |
| 50 | Lilly Fox | 54 | Wife | — | England |
| 51 | Wayne C. Fox | 17 | Son | — | Utah |
| 52 | Marini Fox | 31 | Son | Mattress Maker | Utah |
| 53 | William Jr. Fox THIS PERSON | 27 | Head | Plasterer | Utah |
| 54 | Gene Fox | 26 | Wife | — | Utah |
| 55 | William E. Fox | 7 | Son | — | Utah |
| 56 | Betty J. Fox | 1 | Daughter | — | Utah |
| 57 | John P. Luft | 38 | Head | Distributor | Russia |
| 58 | Helen A. Luft | 38 | Wife | — | Washington |
| 59 | Richard E. Foulk | 37 | Head | Service Man | Ohio |
| 60 | Cleo L. Foulk | 29 | Wife | — | Utah |
| 61 | Roy Anderson | 14 | Step Son | — | Utah |
| 62 | Joseph R. Lewis | 62 | Head | Salesman | Iowa |
| 63 | Stella K. Lewis | 54 | Wife | — | Kansas |
| 64 | Josephine Stevenson | 23 | Daughter | — | Idaho |
| 65 | Phillip Stevenson | 2 | Grandson | — | Utah |
| 66 | Richard Ashton | 28 | Son-in-law | Insurance Agency | Utah |
| 67 | Elizabeth Ashton | 20 | Wife | — | Idaho |
| 68 | Edward M. Ashton | 1 | Son | — | Utah |
| 69 | John R. Knowles | 42 | Head | Bill Clerk | Ohio |
| 70 | Cleo Knowles | 48 | Wife | — | Utah |
| 71 | Geraldine Knowles | 18 | Daughter | New Worker | Utah |
| 72 | Lee Knowles | 16 | Son | — | Utah |
| 73 | Leon Knowles | 15 | Son | Car Washer | Utah |
| 74 | Bradley Knowles | 14 | Step Son | — | Utah |
| 75 | Marie Nelson | 66 | Head | — | Sweden |
| 76 | Ella Nelson | 26 | Daughter | Teacher | Utah |
| 77 | John Ford | 44 | Head | Laborer | Wales |
| 78 | Winnie Ford | 42 | Wife | — | California |
| 79 | Gerald Ford | 9 | Son | — | Utah |
| 80 | Lucile Piles | 19 | Daughter | — | Utah |
Pedigree Summary
William
Gen 1 · 2 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)