DN
Dorothy Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Dorothy Nelson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Brigham & Maude — first a daughter (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Elevator Operator |
| Industry | Office Bldg. |
| Class of Worker | PW |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Elevator Operator |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1921 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Cleo Nelson | Daughter | — | 21 | ~1919 |
| Dorothy Nelson | Daughter | — | 19 | ~1921 |
| James Nelson | Head | — | 51 | ~1889 |
| Wayne Nelson | Son | — | 13 | ~1927 |
| Byron Nelson | Son | — | 1 | ~1939 |
| Emily Nelson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Salt Lake, …
Daughter, age
Salt Lake, Utah · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nielson |
| Given Name | Dorothy M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 9
Salt Lake, Utah · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelsen |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 19
Salt-Lake-County, Utah · implied b. ~1921 — 6 household members
| Surname | Nelson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Elevator Operator |
| Industry | Office Bldg. |
| Class of Worker | PW |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Brigham Nielson (~0.92 confidence) and mother Maude Nielson (~0.92 confidence) and father James Nelsen (~0.92 confidence) and mother Emily Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Brigham Nielson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Maude Nielson
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
James Nelsen
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Emily Nelson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Nelson
Daughter · 1940 · age 19 · b. ~1921 · Utah
★ You are viewing this record
Sibling
Wayne Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron Nelson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cleo Nelson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-04224-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert B. Calvin | 2 | Son | — | Utah |
| 2 | Wallace E. Beames | 51 | Head | Salesman | New York |
| 3 | Elizabeth Beames | 50 | Wife | — | Germany |
| 4 | Frank Beames | 22 | Son | Laborer | Utah |
| 5 | Doris Beames | 20 | Daughter | Stenographer | Utah |
| 6 | Anna Meehan | 54 | Head | — | Poland |
| 7 | Ann Meehan | 23 | Daughter | Operator | Utah |
| 8 | James Nelson | 51 | Head | Molder | Utah |
| 9 | Emily Nelson | 44 | Wife | — | Utah |
| 10 | Cleo Nelson | 21 | Daughter | Operator | California |
| 11 | Dorothy Nelson THIS PERSON | 19 | Daughter | Elevator Operator | Utah |
| 12 | Wayne V. Nelson | 13 | Son | — | Utah |
| 13 | Byron D. Nelson | 1 | Son | — | Utah |
| 14 | Ed S. Gappett | 44 | Head | Bookkeeper | Utah |
| 15 | Mary Gappett | 43 | Wife | — | Wyoming |
| 16 | Mary Laron Gappett | 15 | Daughter | — | Utah |
| 17 | Joel R. Gappett | 11 | Son | — | Utah |
| 18 | Kenneth G. Millenberg | 22 | Head | Mechanic | Utah |
| 19 | Alva G. Millenberg | 21 | Sister | Salesgirl | Utah |
| 20 | A. Norman Olsen | 44 | Head | Postal Clerk | Utah |
| 21 | Mabel Olsen | 49 | Wife | — | Utah |
| 22 | Virginia Olsen | 20 | Daughter | — | Utah |
| 23 | Raphael Olsen | 17 | Son | — | Utah |
| 24 | Howell Olsen | 15 | Son | — | Utah |
| 25 | Lois Olsen | 15 | Daughter | — | Utah |
| 26 | Charles Olsen | 13 | Son | — | Utah |
| 27 | Helen Olsen | 11 | Daughter | — | Utah |
| 28 | Maura Olsen | 9 | Daughter | — | Utah |
| 29 | Blaine Olsen | 7 | Daughter | — | Utah |
| 30 | Norma Olsen | 6 | Daughter | — | Utah |
| 31 | Clarence Olsen | 48 | Head | Gen. Manager | Utah |
| 32 | Norma Olsen | 41 | Wife | — | Idaho |
| 33 | Frank W. Olsen | 17 | Son | — | Idaho |
| 34 | Wayne H. Olsen | 15 | Son | — | Idaho |
| 35 | Richard C. Olsen | 9 | Son | — | Utah |
| 36 | Donald N. Olsen | 7 | Son | — | Utah |
| 37 | Charles S. Olsen | 1 | Son | — | Utah |
| 38 | Andrew D. Lindley | 56 | Head | Painter Contractor | Utah |
| 39 | Laura Lindley | 30 | Wife | — | England |
| 40 | Joyce Lindley | 7 | Daughter | — | Utah |
Pedigree Summary
Dorothy + 3 siblings
Gen 1 · 4 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)