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Clarence Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Clarence Nelson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a head (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Furniture M |
| Industry | Furniture Store |
| Class of Worker | E |
| Hours Worked | 50 |
| Income (1939) | 4000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Furniture M |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1895 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Patricia Nelson | Daughter | — | 11 | ~1929 |
| Marjorie Nelson | Daughter | — | 20 | ~1920 |
| Shirley Nelson | Daughter | — | 13 | ~1927 |
| Clarence Nelson | Head | — | 45 | ~1895 |
| Mabel Evans | Other | — | 40 | ~1900 |
| Olive Nelson | Spouse | — | 41 | ~1899 |
Census Appearances
1900
Salt Lake, …
Son, age 6
Salt Lake, Utah · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Utah |
| Birth Month | June |
| Birth Year | 1894 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1910
Salt Lake, …
Son, age 15
Salt Lake, Utah · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Helper |
| Industry | Supply House |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Salt Lake, …
Head, age 25
Salt Lake, Utah · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Salesman |
| Industry | plumb. supply |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Head, age 35
Salt Lake, Utah · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 22 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Manager |
| Industry | Wholesale Chem. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15,000 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Head, age 45
Salt-Lake-County, Utah · implied b. ~1895 — 6 household members
| Surname | Nelson |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Furniture M |
| Industry | Furniture Store |
| Class of Worker | E |
| Hours Worked | 50 |
| Income (1939) | 4000 |
| 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 Clarence Nelson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Nelson (~0.92 confidence) and father Joseph Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence) and mother Margaret Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Nelson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Joseph Nelson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Margaret Nelson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Nelson
Head · 1940 · age 45 · b. ~1895 · 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-t0627-04226-00598)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Adiel Bleyhl | 24 | Son | Advertising Dept | Utah |
| 42 | Frank Snow | 85 | Head | — | Utah |
| 43 | Olive Williams | 45 | Daughter | — | Utah |
| 44 | Rachel Kingsbury | 52 | Daughter | — | Utah |
| 45 | Vern Halliday | 51 | Head | Auditor | Utah |
| 46 | Marguerite Halliday | 49 | Wife | — | Utah |
| 47 | Ruth Halliday | 20 | Daughter | Bookkeeper | Utah |
| 48 | Ivy Kowallis | 20 | Boarder | Bookkeeper | Utah |
| 49 | Arthur L. Smith | 52 | Head | Salesman | California |
| 50 | Gertrude Smith | 50 | Wife | — | Utah |
| 51 | Rehan Smith | 25 | Daughter | Employment Supervisor | Canada |
| 52 | Franklin Smith | 27 | Head | Service Dept | Canada |
| 53 | Geraldine Smith | 26 | Wife | Operator | Utah |
| 54 | Robert Sims | 24 | Head | Foreman | Utah |
| 55 | Evelyn Sims | 23 | Wife | — | Utah |
| 56 | George A. Sims | 60 | Head | Manager | Utah |
| 57 | Nell B. Sims | 59 | Wife | — | Utah |
| 58 | Valentine Snow | 60 | Head | Mining | Utah |
| 59 | Kate R. Snow | 58 | Wife | — | Utah |
| 60 | Louise Snow | 21 | Daughter | Office Girl | Utah |
| 61 | Martha H. Snow | 60 | Head | Saleslady | Utah |
| 62 | Lucy Durant | 26 | Daughter | Operator | Utah |
| 63 | Harvey Durant | 29 | Son-in-law | Bookkeeper | Idaho |
| 64 | Leon Higginbotham | 45 | Head | Accountant | Utah |
| 65 | Ruth Higginbotham | 39 | Wife | — | Utah |
| 66 | Sue Lyn Higginbotham | 7 | Daughter | — | Utah |
| 67 | Clarence Nelson THIS PERSON | 45 | Head | Furniture M | Utah |
| 68 | Olive Nelson | 41 | Wife | — | Utah |
| 69 | Marjorie Nelson | 20 | Daughter | — | Utah |
| 70 | Shirley Nelson | 13 | Daughter | — | Utah |
| 71 | Patricia Nelson | 11 | Daughter | — | Utah |
| 72 | Mabel Evans | 40 | Maid | Maid | Utah |
| 73 | Wayne Decker | 47 | Head | Wholesale Jewelry | Utah |
| 74 | Evallyn Decker | 46 | Wife | — | Utah |
| 75 | Jack A. Decker | 22 | Son | Missionary | Utah |
| 76 | Mary Decker | 18 | Daughter | — | Utah |
| 77 | Herbert W. Decker | 14 | Son | — | Utah |
| 78 | Ashby Decker | 6 | Son | — | Utah |
| 79 | Marjorie Ann Decker | 5 | Daughter | — | Utah |
| 80 | Rhoda Maid Muir | 30 | Maid | Maid | Utah |
Pedigree Summary
Clarence
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)