WC
Walter Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Summit-County, Utah
Our Model Tree links this Walter Clark across the 1920, 1930 and 1940 US Censuses in Summit-County, Utah (XGBoost, ~Confirmed), with identified parents Amanda — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Utah |
| Surname | Clark |
| Given Name | Walter H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Outside Coalville |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Occupation | Miner |
| Industry | Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Miner |
| Township / Ward | Outside Coalville |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Fay Clark | Daughter | — | 14 | ~1926 |
| Dorothy Clark | Daughter | — | 7 | ~1933 |
| Walter Clark | Head | — | 38 | ~1902 |
| Sheldon Clark | Son | — | 3 | ~1937 |
| Ronald Clark | Son | — | 11 | ~1929 |
| Thelma Clark | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Summit, Utah
Son, age 18
Summit, Utah · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | oiler |
| Industry | coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Summit, Utah
Head, age 27
Summit, Utah · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 22 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Laborer |
| Industry | R.R. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $250 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Summit-County, Utah
Head, age 38
Summit-County, Utah · implied b. ~1902 — 6 household members
| Surname | Clark |
| Given Name | Walter H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Outside Coalville |
| 1935 Residence (County) | Summit |
| Occupation | Miner |
| Industry | Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 7 |
| 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 Walter Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Amanda Clark (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Amanda Clark
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Clark
Head · 1940 · age 38 · b. ~1902 · 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 — 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-t0627-04218-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stanley Joseph | 53 | Nephew | Miner | Utah |
| 42 | Sonia Clark | 2 | Daughter | — | Utah |
| 43 | Bert R. Randle | 50 | Head | Farmer | Utah |
| 44 | Violet Randle | 50 | Wife | — | Utah |
| 45 | Mary Buchanan | 70 | Head | — | Utah |
| 46 | Thomas Buchanan | 42 | Son | Miner | Utah |
| 47 | Madge Buchanan | 27 | Daughter | — | Utah |
| 48 | Russell Buchanan | 23 | Grandson | Operator | Utah |
| 49 | Robert Buchanan | 16 | Grandson | — | Utah |
| 50 | Franklin H. Blonquist | 40 | Head | Rancher | Utah |
| 51 | Grace Blonquist | 37 | Wife | — | Utah |
| 52 | Kenneth Blonquist | 12 | Son | — | Utah |
| 53 | Justine Blonquist | 9 | Son | — | Utah |
| 54 | John S. Wright | 44 | Head | Clerk | Utah |
| 55 | Ursula Wright | 46 | Wife | — | Utah |
| 56 | Dean Wright | 16 | Daughter | — | Utah |
| 57 | Donna Wright | 16 | Daughter | — | Utah |
| 58 | Alton Wright | 10 | Daughter | — | Utah |
| 59 | Harren Wright | 2 | Daughter | — | Utah |
| 60 | Angello Renon | 58 | Head | Farmer | Italy |
| 61 | John Mansella | 62 | Friend | Farm Helper | Italy |
| 62 | Pete Pasquali | 27 | Friend | Miner | Italy |
| 63 | Leo L. Fisher | 30 | Friend | Miner | Utah |
| 64 | Chris R. Edward | 66 | Head | Farmer | Wyo. |
| 65 | Carrie E. Edward | 56 | Wife | — | Wyo. |
| 66 | Lester W. Morton | 39 | Head | Farmer | Utah |
| 67 | Lawrence Morton | 36 | Bro. | Farmer | Utah |
| 68 | James H. Wilde | 60 | Head | Farmer | Utah |
| 69 | Margaret Wilde | 58 | Wife | — | Utah |
| 70 | Don Ray Wilde | 18 | Son | Helper | Utah |
| 71 | Lois Wilde | 17 | Daughter | — | Utah |
| 72 | Walter H. Clark THIS PERSON | 38 | Head | Miner | Utah |
| 73 | Thelma Clark | 35 | Wife | — | Utah |
| 74 | Fay Clark | 14 | Daughter | — | Utah |
| 75 | Ronald Clark | 11 | Son | — | Utah |
| 76 | Dorothy Clark | 7 | Daughter | — | Utah |
| 77 | Sheldon Clark | 3 | Son | — | Utah |
| 78 | James R. Staples | 62 | Head | Farmer | Utah |
| 79 | Mary Staples | 54 | Wife | — | Utah |
| 80 | William E. Ball | 40 | Head | Miner | Utah |
Pedigree Summary
Walter
Gen 1 · 1 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)