AT
Arthur Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Arthur Thomas across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents Joseph & James — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Thomas |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mining Co |
| Class of Worker | PW |
| Income (1939) | 275 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Laborer |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Joseph Thomas | Head | — | 49 | ~1891 |
| Glen Thomas | Son | — | 14 | ~1926 |
| Arthur Thomas | Son | — | 22 | ~1918 |
Census Appearances
1920
Salt Lake, …
Son, age 2
Salt Lake, Utah · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Son, age 12
Salt Lake, Utah · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Son, age 22
Salt-Lake-County, Utah · implied b. ~1918 — 3 household members
| Surname | Thomas |
| Given Name | Arthur H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Laborer |
| Industry | Mining Co |
| Class of Worker | PW |
| Income (1939) | 275 |
| 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 Arthur Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and mother Alta Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Thomas
b. ~1891
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Alta Thomas
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Thomas
Son · 1940 · age 22 · b. ~1918 · Utah
★ You are viewing this record
Sibling
Glen Thomas
Sibling · 1940 · age 14
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-t0627-04227-00543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James M Jr Wilkinson | 9 | Son | — | Utah |
| 2 | Frank C.S. Derrick | 33 | Head | Auto Parts Clerk | Utah |
| 3 | Ruth Derrick | 29 | Wife | — | Utah |
| 4 | Karen Derrick | 2 | Daughter | — | Utah |
| 5 | Lester J. Kotoed | 36 | Head | Stationary Fireman | Idaho |
| 6 | Ada B Kotoed | 35 | Wife | — | Utah |
| 7 | Frank S Derrick | 69 | Head | — | Utah |
| 8 | Evelyn S Derrick | 63 | Wife | — | Utah |
| 9 | Leone Derrick | 29 | Daughter | Cashier | Utah |
| 10 | Merle Derrick | 26 | Daughter | Accountant | Utah |
| 11 | Vaughn S. Derrick | 23 | Son | Salesman | Utah |
| 12 | Kenneth D Forgay | 24 | Head | Laborer | Texas |
| 13 | Maria M Forgay | 22 | Wife | — | Utah |
| 14 | Melba Forgay | 1 | Daughter | — | Utah |
| 15 | K Garry Forgay | 0 | Son | — | Utah |
| 16 | Ray C Hobson | 37 | Head | Painter | Idaho |
| 17 | Thelma Hobson | 25 | Wife | — | California |
| 18 | Everett L Hobson | 0 | Son | — | Utah |
| 19 | Eugene F.H. Brown | 23 | Lodger | Painter | New Mexico |
| 20 | Norma Brown | 21 | Lodger | — | Utah |
| 21 | Sarah Jane Mccall | 65 | Head | — | England |
| 22 | Robert M Mccall | 47 | Son | Laborer | Utah |
| 23 | Gladys J. Wilsted | 42 | Daughter | — | Utah |
| 24 | Leroy M. Wilsted | 18 | Grandson | — | Utah |
| 25 | Myrkle Wilsted | 15 | Granddaughter | — | Utah |
| 26 | Gladys J. Wilsted | 12 | Granddaughter | — | Utah |
| 27 | Dorothy Mae Wilsted | 10 | Granddaughter | — | Utah |
| 28 | Cornelis N. Willemsen | 63 | Head | Accountant | Holland |
| 29 | Johanna J Willemsen | 58 | Wife | — | Holland |
| 30 | Cornelis N. Jr. Willemsen | 35 | Son | Pin Setting | Holland |
| 31 | Raymond Willemsen | 20 | Son | — | Utah |
| 32 | Cornelia G Willemsen | 17 | Daughter | — | Utah |
| 33 | William D Stevens | 38 | Head | Accountant | Kentucky |
| 34 | Melba Stevens | 36 | Wife | — | Utah |
| 35 | William D Jr. Stevens | 15 | Son | — | Missouri |
| 36 | Melba Stevens | 13 | Daughter | — | Missouri |
| 37 | Clifford A. Stevens | 8 | Son | — | Missouri |
| 38 | Joseph H Thomas | 49 | Head | Janitor | Utah |
| 39 | Arthur H. Thomas THIS PERSON | 22 | Son | Laborer | Utah |
| 40 | Glen H Thomas | 14 | Son | — | Utah |
Pedigree Summary
Arthur + 1 sibling
Gen 1 · 3 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)