ES
Earl Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Earl Smith across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Hedwig & Cephas — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 60 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Laborer |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1914 |
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 Earl | Age | Birth yr |
|---|---|---|---|---|
| Albert Smith | Head | — | 49 | ~1891 |
| Howard Smith | Son | — | 14 | ~1926 |
| Richard Smith | Son | — | 19 | ~1921 |
| Earl Smith | Son | — | 26 | ~1914 |
| Olive Smith | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Salt Lake, …
Son, age 5
Salt Lake, Utah · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Earl J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 15
Salt Lake, Utah · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Tennessee |
| 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
Son, age 26
Salt-Lake-County, Utah · implied b. ~1914 — 5 household members
| Surname | Smith |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 60 |
| Highest Grade | 8 |
| 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 Earl Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Hedwig Kloss (~0.92 confidence) and father Cephas Smith (~0.92 confidence) and father Albert Smith (~0.92 confidence) and father Caphas Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence) and mother Olive Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Hedwig Kloss
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Cephas Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Albert Smith
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Caphas Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Olive Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Smith
Son · 1940 · age 26 · b. ~1914 · Utah
★ You are viewing this record
Sibling
Howard Smith
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1940 · age 19
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
38 people indexed on this census page (nara:1940:m-t0627-04223-00784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Karen Jeanne Jolley | 0 | Granddaughter | — | Utah |
| 2 | W. Blake Fitzgerald | 32 | Head | Salesman | Utah |
| 3 | Vivian W. Fitzgerald | 31 | Wife | Teacher | Utah |
| 4 | Lily Ann Fitzgerald | 5 | Daughter | — | Utah |
| 5 | Melva Schade | 32 | Cousin | Stenographer | Utah |
| 6 | Harold Kirby | 27 | Head | Asst. Secretary | Utah |
| 7 | Ethel B. Kirby | 26 | Wife | — | Utah |
| 8 | Gerald B. Kirby | 8 | Son | — | Utah |
| 9 | Carma Kirby | 1 | Daughter | — | Utah |
| 10 | Wallace M. Parkin | 35 | Head | Attendant | Utah |
| 11 | Josephine A. Parkin | 32 | Wife | Seamstress | Utah |
| 12 | Virginia Joy Parkin | 13 | Daughter | — | Utah |
| 13 | Robert W. Parkin | 11 | Son | — | Utah |
| 14 | Stephen E. Parkin | 4 | Son | — | Utah |
| 15 | Louie C. Hancock | 63 | M-in-law | Inspector | Utah |
| 16 | John E. Hanka | 52 | Head | Contractor | Utah |
| 17 | Marie B. Hanka | 46 | Wife | — | Utah |
| 18 | De Valle Hanka | 25 | Son | Contractor | Utah |
| 19 | Richard D. Hanka | 20 | Son | Estimator | Utah |
| 20 | Larry R. Hanka | 18 | Son | — | Utah |
| 21 | David D. Brown | 27 | Son-in-law | Carpenter | Utah |
| 22 | Jack Hackett | 46 | Head | Fireman | Utah |
| 23 | Clarice T. Hackett | 37 | Wife | — | Utah |
| 24 | Clarice Jean Hackett | 19 | Daughter | Switchboard Operator | Idaho |
| 25 | Norma May Hackett | 17 | Daughter | — | Utah |
| 26 | Donna Cleora Hackett | 10 | Daughter | — | Utah |
| 27 | Horton D. Hess | 36 | Head | Clerk | Utah |
| 28 | Estella S. Hess | 33 | Wife | — | Utah |
| 29 | Horton D. (Jr.) Hess | 10 | Son | — | Utah |
| 30 | Shirley Jean Hess | 8 | Daughter | — | Utah |
| 31 | Kenneth W. Hess | 5 | Son | — | Utah |
| 32 | Pearl R. Bennett | 38 | S-in-law | Laundry Helper | Utah |
| 33 | Elaine Bennett | 2 | Niece | — | Utah |
| 34 | Albert E. Smith | 49 | Head | Advertising Mgr. | Utah |
| 35 | Olive L. Smith | 57 | Wife | — | Utah |
| 36 | Earl Smith THIS PERSON | 26 | Son | Laborer | Utah |
| 37 | Richard L. Smith | 19 | Son | Helper | Utah |
| 38 | Howard L. Smith | 14 | Son | — | Utah |
Pedigree Summary
Earl + 2 siblings
Gen 1 · 6 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)