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Helen Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Helen Nelson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Ellen & Ellen — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | nr Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Nr Clerk |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Nelson | Daughter | — | 22 | ~1918 |
| John Nelson | Head | — | 61 | ~1879 |
| Elbert Nelson | Son | — | 33 | ~1907 |
| Harold Nelson | Son | — | 19 | ~1921 |
| Ellen Nelson | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Salt Lake, …
Daughter, age 2
Salt Lake, Utah · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Helen (Ab) |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Sweden |
| 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 22
Salt-Lake-County, Utah · implied b. ~1918 — 5 household members
| Surname | Nelson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | nr Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Helen Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ellen Nelson (~0.92 confidence) and mother Ellen Nelson (~0.92 confidence) and father John Nelson (~0.92 confidence) and father John Nelson (~0.92 confidence) and father J Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ellen Nelson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Ellen Nelson
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
John Nelson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Nelson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
J Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Helen Nelson
Daughter · 1940 · age 22 · b. ~1918 · Utah
★ You are viewing this record
Sibling
Harold Nelson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elbert Nelson
Sibling · 1940 · age 33
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-t0627-04226-00480)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William R. Foulger | 66 | Head | — | Utah |
| 2 | Claire B. Foulger | 66 | Wife | — | Utah |
| 3 | Eldon R. O'Neil | 23 | Head | Cement Finisher | Utah |
| 4 | Mary E. O'Neil | 19 | Wife | — | Utah |
| 5 | John A. Nelson | 61 | Head | Carpenter | Sweden |
| 6 | Ellen Nelson | 62 | Wife | — | Utah |
| 7 | Elbert E. Nelson | 33 | Son | — | Utah |
| 8 | Helen Nelson THIS PERSON | 22 | Daughter | Nr Clerk | Utah |
| 9 | Harold Nelson | 19 | Son | — | Utah |
| 10 | John W. Van Casselburg | 48 | Head | Tile Setter | Holland |
| 11 | Margaret Van Casselburg | 41 | Wife | Chocolate Dipper | Utah |
| 12 | James F. Forest | 29 | Head | Nr Surgeon | Mass. |
| 13 | Marguerite H. Forest | 26 | Wife | — | New Jersey |
| 14 | Joseph W. Beesley | 23 | Head | Manager | Utah |
| 15 | Hilma G. Beesley | 23 | Wife | — | Utah |
| 16 | Harry G. Goodey | 32 | Head | Lineman | Utah |
| 17 | Margaret E. Goodey | 32 | Wife | — | Utah |
| 18 | Ruth Joyce Goodey | 9 | Daughter | — | Utah |
| 19 | Harry James Goodey | 3 | Son | — | Utah |
| 20 | Rachael C. Adams | 55 | Head | Seamstress | Utah |
| 21 | Bill E. Adams | 13 | Son | — | Utah |
| 22 | Milan Swilor | 46 | Head | Shovel Engineer | Servia |
| 23 | Marie Swilor | 32 | Wife | — | Utah |
| 24 | Wanda Marie Swilor | 12 | Daughter | — | Utah |
| 25 | Ruth Swilor | 4 | Daughter | — | Utah |
| 26 | Wilford Pugmire | 46 | Head | Shipping Clerk | Utah |
| 27 | Florence Pugmire | 44 | Wife | — | Utah |
| 28 | Donna Pugmire | 16 | Daughter | — | Utah |
| 29 | William Arthur Pugmire | 15 | Son | — | Utah |
| 30 | Delores Mary Pugmire | 12 | Daughter | — | Montana |
| 31 | Shirley May Pugmire | 9 | Daughter | — | Utah |
| 32 | Raymond Harvey | 26 | Head | Welder | Utah |
| 33 | Thelma Harvey | 23 | Wife | — | Utah |
| 34 | Rex Harvey | 6 | Son | — | Utah |
| 35 | Frankie Harvey | 3 | Son | — | Utah |
| 36 | Marion Kay Harvey | 2 | Daughter | — | Utah |
| 37 | Thelma V. Harvey | 0 | Daughter | — | Utah |
| 38 | Lila Fernstrom | 27 | Sister-in-law | — | Utah |
| 39 | Edward Lee Fernstrom | 3 | Son | — | Utah |
| 40 | Paul Lynn Fernstrom | 1 | Son | — | Utah |
Pedigree Summary
Helen + 2 siblings
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)