LA
Leonard Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Leonard Anderson across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Joseph & Adelia — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Midvale |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Locomotive engineer |
| Industry | Copper Mine |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1440 |
| Highest Grade | 8 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Locomotive Engineer |
| Township / Ward | Copperton |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Mildred Anderson | Spouse | — | 29 | ~1911 |
| Leonard Anderson | Son | — | 2 | ~1938 |
| Leonard Anderson | Head | — | 30 | ~1910 |
Census Appearances
1920
Salt Lake, …
Son, age 9
Salt Lake, Utah · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 20
Salt Lake, Utah · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | Copper mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Head, age 30
Salt-Lake-County, Utah · implied b. ~1910 — 3 household members
| Surname | Anderson |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Midvale |
| 1935 Residence (County) | Salt Lake |
| Occupation | Locomotive engineer |
| Industry | Copper Mine |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1440 |
| Highest Grade | 8 |
| 1935 Residence | Utah |
| 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 Leonard Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Anderson (~0.92 confidence) and mother Adelia Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Anderson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Adelia Anderson
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Anderson
Head · 1940 · age 30 · b. ~1910 · 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-t0627-04216-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herbert De Bruin | 42 | Head | Clerk | Holland |
| 42 | Phyllis De Bruin | 32 | Wife | — | Utah |
| 43 | Clayton De Bruin | 14 | son | — | Utah |
| 44 | Marilyn De Bruin | 11 | daughter | — | Utah |
| 45 | Joan De Bruin | 5 | daughter | — | Utah |
| 46 | Jerry De Bruin | 6 | son | — | Utah |
| 47 | Frank W. Olsen | 53 | Head | Carpenter | Utah |
| 48 | Grace May Olsen | 49 | Wife | — | Colorado |
| 49 | Leonard Anderson THIS PERSON | 30 | Head | Locomotive Engineer | Utah |
| 50 | Mildred Anderson | 29 | Wife | — | Utah |
| 51 | Leonard Anderson | 2 | son | — | Utah |
| 52 | Fenton Tibble | 31 | Head | Assayer | Utah |
| 53 | Reta Tibble | 27 | Wife | — | Utah |
| 54 | Betty Joyce Tibble | 9 | daughter | — | Utah |
| 55 | Fenton R. Tibble | 5 | son | — | Utah |
| 56 | Deanna Tibble | 2 | daughter | — | Utah |
| 57 | Dorothy Ann Tibble | 1 | daughter | — | Utah |
| 58 | John Alma Whiteley | 41 | Head | Assistant General Foreman | Utah |
| 59 | Jane O. Whiteley | 40 | Wife | — | England |
| 60 | Betty Whiteley | 19 | daughter | Stenographer | Utah |
| 61 | Dorothy Whiteley | 17 | daughter | — | Utah |
| 62 | Patricia Whiteley | 6 | daughter | — | Utah |
| 63 | William Brown | 39 | Head | Line Foreman | Utah |
| 64 | Alice O. Brown | 32 | Wife | — | Utah |
| 65 | Sally Jane Brown | 5 | daughter | — | Utah |
| 66 | Barbara Brown | 2 | daughter | — | Utah |
| 67 | Martin D. Jensen | 35 | Head | Locomotive Engineer | Utah |
| 68 | Mary Elva Jensen | 31 | Wife | — | Utah |
| 69 | Lowell Jensen | 10 | son | — | Utah |
| 70 | Jack Jensen | 4 | son | — | Utah |
| 71 | Flossie Anderson | 25 | sister-in-law | New Worker | Utah |
| 72 | Shirley Anderson | 5 | niece | — | Utah |
| 73 | La Von Anderson | 3 | niece | — | Utah |
| 74 | Leon Stoddard | 36 | Head | Machinist | Utah |
| 75 | Mable O. Stoddard | 30 | Wife | — | Utah |
| 76 | Donald Stoddard | 10 | son | — | Utah |
| 77 | Douglas Stoddard | 5 | son | — | Utah |
| 78 | Carolyn Joy Stoddard | 3 | daughter | — | Utah |
| 79 | Everett Fennell | 55 | Head | Locomotive Engineer | Nebraska |
| 80 | Minnie W. Fennell | 53 | Wife | — | Idaho |
Pedigree Summary
Leonard
Gen 1 · 2 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)