DC
Dorothy Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Dorothy Campbell across the 1910, 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Cornelius & K — first a daughter (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Clerk |
| Industry | State Capitol |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 960 |
| Highest Grade | C-2 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Clerk |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Lelaine Campbell | Head | — | 72 | ~1868 |
| Dorothy Campbell | Daughter | — | 32 | ~1908 |
Census Appearances
1910
Salt Lake, …
Daughter, age 2
Salt Lake, Utah · implied b. ~1908
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Campbell |
| Given Name | Dorothy C |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 21
Salt Lake, Utah · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 32
Salt-Lake-County, Utah · implied b. ~1908 — 2 household members
| Surname | Campbell |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Clerk |
| Industry | State Capitol |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 960 |
| Highest Grade | C-2 |
| 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 Dorothy Campbell across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cornelius Campbell (~0.92 confidence) and father K Campbell (~0.92 confidence) and mother Lelaine Campbell (~0.92 confidence) and mother Annie Campbell (~0.92 confidence) and mother Mary Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Campbell
b. ~1859
Source father
● Household
· direct · ~0.92
Father
K Campbell
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Lelaine Campbell
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Annie Campbell
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Mary Campbell
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Campbell
Daughter · 1940 · age 32 · b. ~1908 · 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-t0627-04227-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ross L. Knowles | 39 | Head | Manager | Utah |
| 42 | Dorothy J. Knowles | 36 | Wife | — | Utah |
| 43 | Richard L. Knowles | 12 | Son | — | Utah |
| 44 | Robert R. Knowles | 4 | Son | — | Utah |
| 45 | Laverda Henderson | 35 | Head | — | Utah |
| 46 | Mrs. Muriel S. Pickett | 45 | Head | Clerk | Utah |
| 47 | Dorothy Simpson | 27 | Sister | Teacher | Utah |
| 48 | Jno H. Burrows | 83 | Head | — | England |
| 49 | Alfred O. Halverson | 46 | Head | Salesman | Utah |
| 50 | Evelyn E. Halverson | 46 | Wife | — | South Dakota |
| 51 | Maida G. Cosgrove | 43 | Head | Teacher | Utah |
| 52 | Nell Cosgrove | 37 | Sister | Teacher | Utah |
| 53 | Albert F. Tiggard | 40 | Head | Manager | Missouri |
| 54 | Eleanor E. Tiggard | 36 | Wife | — | Missouri |
| 55 | Patricia Ann Tiggard | 10 | Daughter | — | California |
| 56 | Clifford F. Langton | 41 | Head | Manager | Utah |
| 57 | Rhea L. Langton | 42 | Wife | — | Utah |
| 58 | Evelyn Langton | 19 | Daughter | — | Utah |
| 59 | Marilyn Langton | 7 | Daughter | — | Utah |
| 60 | Lelaine Campbell | 72 | Head | — | Utah |
| 61 | Dorothy Campbell THIS PERSON | 32 | Daughter | Clerk | Utah |
| 62 | Seth C. Jones | 77 | Head | Elevator Operator | Utah |
| 63 | Annie Bel Jones | 77 | Wife | — | Utah |
| 64 | Violet M. Leuttery | 61 | Head | — | Scotland |
| 65 | Peter M. Mcclure | 63 | Brother | — | Scotland |
| 66 | David H. Fowler | 60 | Head | Agent | Utah |
| 67 | Mildred Fowler | 57 | Wife | — | Utah |
| 68 | Ray J. Strode | 30 | Head | Bartender | Idaho |
| 69 | Edwina E. Strode | 26 | Wife | — | Kansas |
| 70 | Robt John Strode | 3 | Son | — | Utah |
| 71 | Gwendolyn R. Rasmussen | 24 | Head | Receptionist | Utah |
| 72 | Mary L. Rasmussen | 18 | Sister | — | Utah |
| 73 | Charles R. Burgner | 24 | Head | Attendant | Oklahoma |
| 74 | Mary H. Burgner | 21 | Wife | Cashier | Utah |
| 75 | Eugene Lees | 34 | Head | Buyer | Utah |
| 76 | Blanche Lees | 28 | Wife | Stenographer | Utah |
| 77 | Anna T. Adams | 54 | Head | Teacher | Utah |
| 78 | Eva Adams | 42 | Sister | Bookkeeper | Utah |
| 79 | Anna C. Countryman | 71 | Head | — | Wyoming |
| 80 | Virginia Countryman | 21 | Sister | Stenographer | Wyoming |
Pedigree Summary
Dorothy
Gen 1 · 5 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)