JD
John Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this John Davidson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 8-person household.
Age 48
b. ~1892
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Davidson |
| Given Name | John T |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Bingham Canyon |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | fireman laborer |
| Industry | U.S. Postoffice |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Fireman Laborer |
| Township / Ward | Bingham Canyon |
| Est. Birth Year | ~1892 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Davidson | Daughter | — | 16 | ~1924 |
| Beth Davidson | Daughter | — | 19 | ~1921 |
| Jackie Davidson | Daughter | — | 12 | ~1928 |
| John Davidson | Head | — | 48 | ~1892 |
| Buston Huestis | Other | — | 21 | ~1919 |
| Charles Davidson | Other | — | 81 | ~1859 |
| Rodney Davidson | Son | — | 19 | ~1921 |
| Lillian Davidson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Salt Lake, …
Other, age 28
Salt Lake, Utah · implied b. ~1892 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | John |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1896 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Waiter |
| Industry | Pool Hall |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1898 |
| Birthplace (normalized) | england |
1930
Salt Lake, …
Head, age 38
Salt Lake, Utah · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | John D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 27 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Soda Dispenser |
| Industry | Soft drink parlor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Salt-Lake-County, Utah
Head, age 48
Salt-Lake-County, Utah · implied b. ~1892 — 8 household members
| Surname | Davidson |
| Given Name | John T |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Bingham Canyon |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Occupation | fireman laborer |
| Industry | U.S. Postoffice |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1260 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 John Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Davidson
Head · 1940 · age 48 · b. ~1892 · 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-t0627-04216-00575)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ella D Cook | 36 | wife | — | Utah |
| 2 | Floyd Cook | 16 | son | Electrician | Utah |
| 3 | Dyan J Ham | 24 | head | Salesman | Utah |
| 4 | Letha D Ham | 24 | wife | — | Utah |
| 5 | La Dean Ham | 5 | daughter | — | Utah |
| 6 | Howard Murdin | 29 | lodger | Track Laborer | Utah |
| 7 | Hyman Smouff | 31 | head | Electrician | Colorado |
| 8 | Namine D Smouff | 20 | wife | — | Idaho |
| 9 | Donald Reed | 34 | head | Locomotive Engineer | Utah |
| 10 | Blanch D Reed | 29 | wife | — | Utah |
| 11 | Donna Reed | 11 | daughter | — | Utah |
| 12 | Dorothy Reed | 8 | daughter | — | Utah |
| 13 | John T Davidson THIS PERSON | 48 | head | Fireman Laborer | England |
| 14 | Lillian D Davidson | 44 | wife | — | Utah |
| 15 | Beth Davidson | 19 | daughter | — | Utah |
| 16 | Rodney Davidson | 19 | son | Track Laborer | Utah |
| 17 | Barbara Davidson | 16 | daughter | — | Utah |
| 18 | Jackie Lee Davidson | 12 | daughter | — | Utah |
| 19 | Charles Davidson | 81 | father | — | England |
| 20 | Buston Huestis | 21 | lodger | Farm Hand | Arizona |
| 21 | Wm C Mayne | 48 | head | Leaser | Utah |
| 22 | Irene D Mayne | 46 | wife | — | Utah |
| 23 | William Mayne | 24 | son | Track Laborer | Utah |
| 24 | Tony Brunetti | 42 | head | Powder Foreman | Italy |
| 25 | Mary D Brunetti | 32 | wife | — | Italy |
| 26 | Aug Brunetti | 10 | son | — | Utah |
| 27 | John Brunetti | 9 | son | — | Utah |
| 28 | Ross Brunetti | 9 | son | — | Utah |
| 29 | Carmilla Brunetti | 3 | daughter | — | Utah |
| 30 | Albert Brunetti | 1 | son | — | Utah |
| 31 | David D Stoker | 29 | head | Fireman | Utah |
| 32 | Helene Stoker | 27 | wife | — | Utah |
| 33 | Irene Stoker | 3 | daughter | — | Utah |
| 34 | David Stoker | 1 | son | — | Utah |
| 35 | Elmer D Andreason | 31 | head | Projection Machine Operator | Utah |
| 36 | Vera Andreason | 25 | wife | — | English Canada |
| 37 | Terry Andreason | 5 | son | — | Idaho |
| 38 | Earl D Andreason | 2 | son | — | Utah |
| 39 | Frank D Stepan | 24 | head | Powder Foreman | Utah |
| 40 | Melba Stepan | 21 | wife | — | Utah |
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)