AL
Alice Larson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cassia-County, Idaho
Our Model Tree links this Alice Larson across the 1930 and 1940 US Censuses in Cassia-County, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cassia-County, Idaho |
| Surname | Larson |
| Given Name | Alice Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Oakley Village |
| 1935 Residence (County) | Cassia |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Oakley Village |
| Est. Birth Year | ~1924 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Myrtle Larson | Daughter | — | 19 | ~1921 |
| Margaret Larson | Head | — | 52 | ~1888 |
| Donna Larson | Daughter | — | 11 | ~1929 |
| Leslie Larson | Son | — | 17 | ~1923 |
| Alice Larson | Daughter | — | 16 | ~1924 |
| Osborn Larson | Son | — | 13 | ~1927 |
Census Appearances
1930
Cassia, Idaho
Daughter, age 5
Cassia, Idaho · implied b. ~1925 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Alice L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Cassia-County, Idaho
Daughter, age 16
Cassia-County, Idaho · implied b. ~1924 — 6 household members
| Surname | Larson |
| Given Name | Alice Louise |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Oakley Village |
| 1935 Residence (County) | Cassia |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| 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 Alice Larson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Larson
Daughter · 1940 · age 16 · b. ~1924 · Idaho
★ You are viewing this record
Sibling
Myrtle Larson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Osborn Larson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Larson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Larson
Sibling · 1940 · age 11
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 — 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-t0627-00744-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A. D. Day | 72 | Head | Farmer | Utah |
| 2 | Myrtle Day | 52 | Wife | — | South Dakota |
| 3 | Margaret Larson | 52 | Head | — | Idaho |
| 4 | Myrtle Larson | 19 | Daughter | — | Idaho |
| 5 | Leslie Larson | 17 | Son | — | Idaho |
| 6 | Alice Louise Larson THIS PERSON | 16 | Daughter | — | Idaho |
| 7 | Osborn Larson | 13 | Son | — | Idaho |
| 8 | Donna Larson | 11 | Daughter | — | Idaho |
| 9 | Richard S. Harper | 38 | Head | Watermaster | Utah |
| 10 | Ruby Nellie Harper | 35 | Wife | — | Utah |
| 11 | Richard L. Harper | 12 | Son | — | Idaho |
| 12 | Stanford V. Harper | 10 | Son | — | Idaho |
| 13 | Marlene Harper | 9 | Daughter | — | Idaho |
| 14 | Lavonda Harper | 7 | Daughter | — | Idaho |
| 15 | Evelyn Harper | 6 | Daughter | — | Idaho |
| 16 | Glen L. Harper | 4 | Son | — | Idaho |
| 17 | Nelda Ann Harper | 2 | Daughter | — | Idaho |
| 18 | Sharon Kay Harper | 0 | Daughter | — | Idaho |
| 19 | Clifford S. Burch | 36 | Head | Dairyman | Idaho |
| 20 | Ina Burch | 29 | Wife | — | Idaho |
| 21 | Ina Claire Burch | 10 | Daughter | — | Idaho |
| 22 | James C. Burch | 5 | Son | — | Idaho |
| 23 | Edward Ecklund | 51 | Head | Carpenter | Idaho |
| 24 | Ernest Perry | 50 | Head | Laborer | Idaho |
| 25 | Laura L. Perry | 43 | Wife | — | Idaho |
| 26 | Frank L. Perry | 13 | Son | — | Idaho |
| 27 | Norman B. Perry | 10 | Son | — | Idaho |
| 28 | George Critchfield | 28 | Head | Timekeeper | Idaho |
| 29 | Milly Critchfield | 29 | Wife | — | Idaho |
| 30 | Willa Lou Critchfield | 7 | Daughter | — | Idaho |
| 31 | Lawrence Critchfield | 5 | Son | — | Idaho |
| 32 | Erlene Critchfield | 3 | Daughter | — | Idaho |
| 33 | Ross Critchfield | 1 | Son | — | Idaho |
| 34 | Harvey L. Mills | 47 | Head | Farmer | Utah |
| 35 | Verna Mills | 47 | Wife | — | Utah |
| 36 | Archer Mills | 22 | Son | Farm Laborer | Utah |
| 37 | Eldred Mills | 20 | Son | Farm Laborer | Utah |
| 38 | Hugh Mills | 18 | Son | — | Utah |
| 39 | Phil Mills | 16 | Son | — | Idaho |
| 40 | Marcia Mills | 14 | 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)