EC
Ellen Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cassia-County, Idaho
Our Model Tree links this Ellen Clark across the 1930 and 1940 US Censuses in Cassia-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1908), then head of a 7-person household.
Age 32
b. ~1908
Female
Spouse
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cassia-County, Idaho |
| Surname | Clark |
| Given Name | Ellen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oneida |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Burley City |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ellen | Age | Birth yr |
|---|---|---|---|---|
| John Clark | Son | — | 8 | ~1932 |
| Ellen Clark | Spouse | — | 32 | ~1908 |
| Ila Clark | Daughter | — | 11 | ~1929 |
| Dallas Clark | Son | — | 9 | ~1931 |
| Calvin Clark | Son | — | 6 | ~1934 |
| C Clark | Other | — | 75 | ~1865 |
| Ira Clark | Head | — | 32 | ~1908 |
Census Appearances
1930
Cassia, Idaho
Spouse, age 22
Cassia, Idaho · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ellen M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 18 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Cassia-County, Idaho
Spouse, age 32
Cassia-County, Idaho · implied b. ~1908 — 7 household members
| Surname | Clark |
| Given Name | Ellen M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oneida |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Ellen Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Clark
Spouse · 1940 · age 32 · b. ~1908 · Idaho
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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 — Cassia-County, Idaho
Open full size
1940 US Federal Census — Cassia-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00744-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Ray Clagg | 5 | Son | — | Idaho |
| 2 | Patricia Clagg | 3 | Daughter | — | Idaho |
| 3 | Extra Line Clagg | None | — | — | — |
| 4 | Erick Erick Mordness | 71 | Head | — | Norway |
| 5 | William F. Harding | 49 | Head | Asst. Superintendent | England |
| 6 | Flora B. Harding | 45 | Wife | — | Utah |
| 7 | Purvis G. Harding | 23 | Son | Potato Sorter | Idaho |
| 8 | Gail W. Harding | 22 | Son | Bench Chemist | Idaho |
| 9 | Ethel Velora Harding | 19 | Daughter | Potato Sorter | Idaho |
| 10 | Byron O. Harding | 15 | Son | — | Idaho |
| 11 | Dorthy H. Harding | 12 | Daughter | — | Idaho |
| 12 | Beverly P. Harding | 7 | Daughter | — | Idaho |
| 13 | Here Ends Block 24 Starting Block 23 Harding | None | — | — | — |
| 14 | Kenneth W. Moultrie | 21 | Head | Laborer | Idaho |
| 15 | Edith E. Moultrie | 20 | Wife | — | Idaho |
| 16 | Lola M. Moultrie | 1 | daughter | — | Idaho |
| 17 | Ralph M. Fitzsimmons | 20 | Head | Laborer | Idaho |
| 18 | Berta J. Fitzsimmons | 18 | Wife | — | Kansas |
| 19 | John E. Vreman | 62 | Head | Laborer Section | Sweden |
| 20 | Christina Vreman | 57 | Wife | — | Sweden |
| 21 | Edwin Vreman | 17 | Son | — | Idaho |
| 22 | Henry E. Millard | 72 | Head | — | Utah |
| 23 | Elizabeth A. Millard | 66 | Wife | — | Utah |
| 24 | Elmer J. Cramer | 57 | Head | Laborer | Utah |
| 25 | Lydia Cramer | 52 | Wife | — | Idaho |
| 26 | Leroy George Smith | 35 | Nep-son | Feeding Sheep | Utah |
| 27 | Guy Arthur Smith | 21 | Nep-son | Laborer | Idaho |
| 28 | Here Ends Block 23 Starting Block 24 Smith | None | — | — | — |
| 29 | Wilburn C. Roberts | 20 | Head | Laborer | Idaho |
| 30 | Eva L. Roberts | 19 | Wife | — | Oregon |
| 31 | Joann Roberts | 0 | Daughter | — | Idaho |
| 32 | G. W. Rudolph | 64 | Head | — | Minnesota |
| 33 | Ella S. Rudolph | 57 | Wife | — | Iowa |
| 34 | Ira S. Clark | 32 | Head | Foreman | North Carolina |
| 35 | Ellen M. Clark THIS PERSON | 32 | Wife | — | Idaho |
| 36 | Ila Mae Clark | 11 | Daughter | — | Idaho |
| 37 | Dallas Dean Clark | 9 | Son | — | Idaho |
| 38 | John Harvey Clark | 8 | Son | — | Idaho |
| 39 | Calvin James Clark | 6 | Son | — | Idaho |
| 40 | C. G. Clark | 75 | Father | — | North Carolina |
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)