FT
Francis Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Summit-County, Utah
Our Model Tree links this Francis Thompson across the 1920, 1930 and 1940 US Censuses in Summit-County, Utah (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 4-person household.
Age 43
b. ~1897
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Utah |
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Park City |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Occupation | Truck Man |
| Industry | Mining Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 880 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Truck Man |
| Township / Ward | Park City |
| Est. Birth Year | ~1897 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Francis Thompson | Head | — | 43 | ~1897 |
| Junior Thompson | Son | — | 13 | ~1927 |
| Ray Thompson | Son | — | 11 | ~1929 |
| Florence Thompson | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Summit, Utah
Head, age 23
Summit, Utah · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | Miner |
| Industry | Metal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Summit, Utah
Head, age 32
Summit, Utah · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 20 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Switzerland |
| Occupation | Laborer |
| Industry | Silver Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 700 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Summit-County, Utah
Head, age 43
Summit-County, Utah · implied b. ~1897 — 4 household members
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Park City |
| 1935 Residence (County) | Summit |
| Occupation | Truck Man |
| Industry | Mining Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 880 |
| Highest Grade | No 8 |
| 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 Francis Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Francis Thompson
Head · 1940 · age 43 · b. ~1897 · Utah
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Summit-County, Utah
Open full size
1940 US Federal Census — Summit-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04218-00141)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Janice Lou Bailey | 5 | Daughter | — | Utah |
| 2 | Lola (Helen (Ab)) Thomas | 18 | Daughter | Housekeeper | Utah |
| 3 | Alice Henrickson | 78 | Head | — | Utah |
| 4 | Clyde M. Henrickson | 41 | Head | Laborer | Utah |
| 5 | Arminta Henrickson | 34 | Wife | — | Utah |
| 6 | Jack M. Henrickson | 14 | Son | — | Utah |
| 7 | Ephriam Adamson | 59 | Head (ab) | Mining | Sweden |
| 8 | Jessie Adamson | 54 | Wife | — | Utah |
| 9 | Lee Adamson | 27 | Son (ab) | Mining | Utah |
| 10 | Ella Adamson | 20 | Daughter | Nurse Maid | Utah |
| 11 | George Adamson | 16 | Son | Laborer | Utah |
| 12 | William Adamson | 14 | Son | — | Utah |
| 13 | Bobby Adamson | 11 | Son | — | Utah |
| 14 | Vern L. Mills | 43 | Head | Deliver Milk | Utah |
| 15 | Alice S. Mills | 33 | Wife | — | Utah |
| 16 | Jack B. Mills | 14 | Son | — | Utah |
| 17 | Alice Jean Mills | 11 | Daughter | — | Utah |
| 18 | La Rae Mills | 8 | Daughter | — | Utah |
| 19 | Harris Bailey Mills | 31 | Head | Laborer | Utah |
| 20 | Edna Mills | 30 | Wife | — | Utah |
| 21 | Betty Coleen Mills | 7 | Daughter | — | Utah |
| 22 | Francis Thompson THIS PERSON | 43 | Head | Truck Man | Utah |
| 23 | Florence Thompson | 42 | Wife | — | Utah |
| 24 | Junior Thompson | 13 | Son | — | Utah |
| 25 | Ray Thompson | 11 | Son | — | Utah |
| 26 | C. S. Clegg | 67 | Head | Watchman | Utah |
| 27 | Martha A. Clegg | 64 | Wife | — | Utah |
| 28 | Donald Brimkenhoff | 26 | Son-in-law | Sheep Man | Utah |
| 29 | Marian Brimkenhoff | 25 | Daughter | — | Utah |
| 30 | Verla Ann Brimkenhoff | 1 | Granddaughter | — | Utah |
| 31 | Leon Brimkenhoff | 1 | Grandson | — | Utah |
| 32 | Jack Olson | 31 | Head | Miner | Utah |
| 33 | Merle Fials Olson | 30 | Wife | Tailoring | Arizona |
| 34 | Carol Olson | 6 | Daughter | — | Texas |
| 35 | Kenneth Olson | 7 | Son | — | Utah |
| 36 | Dale Olson | 5 | Son | — | Utah |
| 37 | Infant (V) Olson | 0 | Son | — | Utah |
| 38 | Ray Bircumshaw | 44 | Head | Truck Man | Utah |
| 39 | Eva D. Bircumshaw | 36 | Wife | — | Utah |
| 40 | Donna P. Bircumshaw | 18 | Daughter | — | Utah |
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)