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William Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this William Davidson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 7-person household.
Age 50
b. ~1890
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Davidson |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Blacksmith |
| Industry | Copper Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Utah |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Blacksmith |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1890 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Wanda Davidson | Daughter | — | 15 | ~1925 |
| Kathaleen Davidson | Daughter | — | 13 | ~1927 |
| Evelyn Davidson | Daughter | — | 17 | ~1923 |
| William Davidson | Head | — | 50 | ~1890 |
| William Davidson | Son | — | 23 | ~1917 |
| Robert Davidson | Son | — | 1 | ~1939 |
| Mena Davidson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Salt Lake, …
Head, age 30
Salt Lake, Utah · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | blacksmith helper |
| Industry | mine |
| Class of Worker | w |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | England |
| Year of Naturalization | 1914 |
| Birthplace (normalized) | england |
1930
Salt Lake, …
Head, age 39
Salt Lake, Utah · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Blacksmith |
| Industry | Copper mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Salt-Lake-County, Utah
Head, age 50
Salt-Lake-County, Utah · implied b. ~1890 — 7 household members
| Surname | Davidson |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Salt Lake |
| 1935 Residence (County) | Salt Lake |
| Naturalization Status | Naturalized |
| Occupation | Blacksmith |
| Industry | Copper Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Utah |
| 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 William Davidson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Davidson
Head · 1940 · age 50 · b. ~1890 · 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-t0627-04215-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar O. Swanson | 52 | Head | Salesman | Nebraska |
| 2 | Lula Swanson | 48 | Wife | — | Utah |
| 3 | Margret Swanson | 21 | Daughter | Specialty Cook | Idaho |
| 4 | Gail Watson | 80 | Mother-in-law | — | Utah |
| 5 | L. Grand Mosley | 35 | Head | Stationary Lineman | Utah |
| 6 | Annetta Mosley | 36 | Wife | Elevator Operator | Utah |
| 7 | Beth Mosley | 17 | Daughter | Fountain Girl | Utah |
| 8 | Darlene Mosley | 14 | Daughter | — | Utah |
| 9 | Elsa Belster | 55 | Head | Office Cleaner | Germany |
| 10 | Eric Belster | 25 | Son | Welder | Germany |
| 11 | Heinz Belster | 20 | Son | Baker | Germany |
| 12 | William C. Davidson THIS PERSON | 50 | Head | Blacksmith | England |
| 13 | Mena Davidson | 45 | Wife | — | England |
| 14 | William C. Davidson | 23 | Son | Car Repair | Utah |
| 15 | Evelyn C. Davidson | 17 | Daughter | — | Utah |
| 16 | Wanda R. Davidson | 15 | Daughter | — | Utah |
| 17 | Kathaleen H. Davidson | 13 | Daughter | — | Utah |
| 18 | Robert R. Davidson | 1 | Son | — | Utah |
| 19 | Carl Hitsch | 56 | Head | Carpenter | Germany |
| 20 | Frieda Hitsch | 43 | Wife | — | Germany |
| 21 | Ronald Larsen | 33 | Head | Apprentice Welder | Utah |
| 22 | Angretta Larsen | 12 | Wife | — | Wyoming |
| 23 | Gary Nickols | 50 | Head | Auto Repairing | Colorado |
| 24 | Nellie Nickols | 50 | Wife | — | Nebraska |
| 25 | Lorimer Seal | 34 | Head | Truck Driver | Utah |
| 26 | Audrey Seal | 33 | Wife | — | Utah |
| 27 | Stanley Seal | 11 | Son | — | Utah |
| 28 | Joan Seal | 10 | Daughter | — | Utah |
| 29 | Larry Seal | 2 | Son | — | Utah |
| 30 | Lorenzo Slater | 47 | Head | Truck Driver | Utah |
| 31 | Jane Slater | 41 | Wife | — | Idaho |
| 32 | Leo L. Slater | 17 | Son | — | Idaho |
| 33 | Willard Slater | 1 | Son | — | Utah |
| 34 | Ervin S. Nichols | 41 | Head | Movie Projectionist | Utah |
| 35 | Erasma Nichols | 40 | Wife | — | Utah |
| 36 | Donna C. Nichols | 17 | Daughter | — | Utah |
| 37 | Donald G. Nichols | 17 | Son | — | Utah |
| 38 | Alan S. Nichols | 13 | Son | — | Utah |
| 39 | Marlon S. Nichols | 9 | Son | — | Utah |
| 40 | Wilden S. Nichols | 3 | Son | — | 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)