AC
Ada Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tooele-County, Utah
Our Model Tree links this Ada Clark across the 1930 and 1940 US Censuses in Tooele-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.
Age 48
b. ~1892
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tooele-County, Utah |
| Surname | Clark |
| Given Name | Ada P |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Election Precinct 3, Lake Point |
| 1935 Residence (County) | Tooele |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Election Precinct 3 Lake Point |
| Est. Birth Year | ~1892 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Deon Clark | Daughter | — | 14 | ~1926 |
| S Clark | Head | — | 54 | ~1886 |
| S Clark | Son | — | 21 | ~1919 |
| Dwight Clark | Son | — | 8 | ~1932 |
| Lester Clark | Son | — | 12 | ~1928 |
| Charles Clark | Son | — | 19 | ~1921 |
| Ada Clark | Spouse | — | 48 | ~1892 |
| Shirley Clark | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Tooele, Utah
Other, age 38
Tooele, Utah · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ada |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 24 |
| Father's Birthplace | England |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Tooele-County, Utah
Spouse, age 48
Tooele-County, Utah · implied b. ~1892 — 8 household members
| Surname | Clark |
| Given Name | Ada P |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Election Precinct 3, Lake Point |
| 1935 Residence (County) | Tooele |
| Highest Grade | No 8 |
| 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 Ada Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Clark
Spouse · 1940 · age 48 · b. ~1892 · 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 — Tooele-County, Utah
Open full size
1940 US Federal Census — Tooele-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04218-00477)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Rodeback | 80 | Head | — | Utah |
| 2 | Clara Rodeback | 65 | Wife | — | England |
| 3 | Mrs A Clark | 65 | Head | — | Utah |
| 4 | S W Clark | 54 | Head | Farmer | Utah |
| 5 | Ada P Clark THIS PERSON | 48 | Wife | — | Utah |
| 6 | S Wayne Clark | 21 | Son | — | Utah |
| 7 | Charles E Clark | 19 | Son | — | Utah |
| 8 | Deon Clark | 14 | Daughter | — | Utah |
| 9 | Lester Clark | 12 | Son | — | Utah |
| 10 | Dwight Clark | 8 | Son | — | Utah |
| 11 | Shirley Clark | 5 | Daughter | — | Utah |
| 12 | R B Reinhold | 65 | Head | Night Watchman | Germany |
| 13 | S M Reinhold | 52 | Wife | — | Germany |
| 14 | Helen F Reinhold | 17 | Daughter | — | Germany |
| 15 | Ruth Reinhold | 11 | Daughter | — | Utah |
| 16 | John Ralph Reinhold | 4 | Son | — | Utah |
| 17 | Martin Keller | 25 | Head | Wool Puller | Holland |
| 18 | Glenn D Nelson | 29 | Head | Operator | Utah |
| 19 | Maxine Nelson | 26 | Wife | — | Utah |
| 20 | Cherrie Ann Nelson | 7 | Daughter | — | Utah |
| 21 | Karen Nelson | 4 | Daughter | — | Utah |
| 22 | Joseph J Castagno | 45 | Head | Farmer | Utah |
| 23 | Edith A Castagno | 45 | Wife | — | Colorado |
| 24 | Glen Lewis Castagno | 16 | Son | — | California |
| 25 | Tom Soter | 28 | Head | Operator | Greece |
| 26 | Nick Soter | 41 | Head | Proprietor | Greece |
| 27 | Orlean Stuber | 42 | Lodger | Waitress | Utah |
| 28 | Herbert Anderson | 48 | Head | Pipe Fitter | England |
| 29 | Cecil May Anderson | 40 | Wife | — | Kentucky |
| 30 | Elizabeth May Anderson | 19 | Daughter | — | Idaho |
| 31 | Evelyn Anderson | 9 | Daughter | — | Utah |
| 32 | George E Rowland | 35 | Head | Labour | Utah |
| 33 | Alvia Rowland | 32 | Wife | — | Montana |
| 34 | Dan E Rowland | 12 | Son | — | Utah |
| 35 | Albert Leroy Hantham | 38 | Head | Labour | Montana |
| 36 | Velma Hantham | 23 | Wife | — | Utah |
| 37 | Raymond Hantham | 5 | Son | — | Utah |
| 38 | Fay Jane Hantham | 3 | Daughter | — | Utah |
| 39 | Carol Hantham | 0 | Daughter | — | Utah |
| 40 | Dale H Coe | 23 | Head | Attendant | 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)