CT
Charles Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Charles Thomas across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Thomas |
| Given Name | Charles E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Truck Driver |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1911 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Head | — | 29 | ~1911 |
| Clifton Thomas | Son | — | 5 | ~1935 |
| Leona Thomas | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Salt Lake, …
Son, age 8
Salt Lake, Utah · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Chas. W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 18
Salt Lake, Utah · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Charles Wm |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| 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
Head, age 29
Salt-Lake-County, Utah · implied b. ~1911 — 3 household members
| Surname | Thomas |
| Given Name | Charles E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Truck Driver |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 400 |
| Highest Grade | H 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 Charles Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Thomas (~0.92 confidence) and father Chas Thomas (~0.92 confidence) and mother Effie Thomas (~0.92 confidence) and mother Mary Wilson (~0.82 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Charles Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Chas Thomas
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Effie Thomas
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Wilson
b. ~1861
Source mother>mother
● Household
· direct · ~0.82
This person
Anchor record
Charles Thomas
Head · 1940 · age 29 · b. ~1911 · 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
39 people indexed on this census page (nara:1940:m-t0627-04225-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Starr | 15 | Son | — | Utah |
| 42 | Robert H. Anderson | 56 | Head | Electrician | Utah |
| 43 | Anna R. Anderson | 52 | Wife | — | Norway |
| 44 | Lucille Anderson | 15 | Daughter | — | Utah |
| 45 | Lloyd Anderson | 27 | Head | Laborer | Utah |
| 46 | Mary Anderson | 24 | Wife | — | Utah |
| 47 | Audrey Anderson | 5 | Daughter | — | Utah |
| 48 | Norma Anderson | 3 | Daughter | — | Utah |
| 49 | Elvin Roberg | 43 | Head | Tile Setter | Utah |
| 50 | Ruth Roberg | 42 | Wife | — | Utah |
| 51 | Ronald Roberg | 9 | Son | — | Utah |
| 52 | William Patterson | 18 | Son in law | Truck Driver | Utah |
| 53 | Elva Patterson | 19 | Wife | — | Utah |
| 54 | Arlene Rogers | 16 | Niece | — | Utah |
| 55 | Andrew P. Anderson | 67 | Head | Janitor | Sweden |
| 56 | Agnes Anderson | 63 | Wife | — | Sweden |
| 57 | Charles E. Thomas THIS PERSON | 29 | Head | Truck Driver | Utah |
| 58 | Leona R. Thomas | 24 | Wife | — | Utah |
| 59 | Clifton Thomas | 5 | Son | — | Utah |
| 60 | Walter W. Thomas | 58 | Head | — | England |
| 61 | Gerta R. Thomas | 60 | Wife | — | Utah |
| 62 | Walter W. Jr. Thomas | 21 | Son | Truck Driver | Utah |
| 63 | Lola Marie Thomas | 18 | Daughter | New Labor | Utah |
| 64 | Carl K. Berg | 40 | Head | Accountant | Germany |
| 65 | Julia Berg | 48 | Wife | — | Denmark |
| 66 | Marian Berg | 16 | Daughter | — | Utah |
| 67 | Ardella Berg | 14 | Daughter | — | Utah |
| 68 | Joan Berg | 10 | Daughter | — | Utah |
| 69 | Dan Berg | 5 | Son | — | Utah |
| 70 | Paul F. Kunze | 43 | Head | Butcher | Germany |
| 71 | Alma Kunze | 41 | Wife | — | Norway |
| 72 | Dean Kunze | 21 | Son | Printer | Idaho |
| 73 | Lorraine Kunze | 19 | Daughter | — | Idaho |
| 74 | Betty Kunze | 14 | Daughter | — | Utah |
| 75 | A. June Collins | 56 | Head | Sheet Metal | Utah |
| 76 | Stella Collins | 49 | Wife | — | Utah |
| 77 | Lazura Collins | 22 | Daughter | Gen Work | Utah |
| 78 | Homer Miller | 35 | Head | Labour | Pennsylvania |
| 79 | Viola Miller | 37 | Wife | — | Utah |
Pedigree Summary
Charles
Gen 1 · 3 parents
~0.92
Gen 2 · 1 grandparents
~0.82
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)