CA
Clara Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Idaho
Our Model Tree links this Clara Anderson across the 1920, 1930 and 1940 US Censuses in Madison-County, Idaho (XGBoost, ~Confirmed), with identified parents Niel & Nettie — first a daughter (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Idaho |
| Surname | Anderson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Unincorporated place Thornton |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Teaching |
| Industry | grammar school |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 300 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Teaching |
| Township / Ward | Unincorporated Place Thornton |
| Est. Birth Year | ~1916 |
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 Clara | Age | Birth yr |
|---|---|---|---|---|
| Edith Anderson | Daughter | — | 18 | ~1922 |
| Clara Anderson | Daughter | — | 24 | ~1916 |
| Mary Anderson | Daughter | — | 22 | ~1918 |
| Neil Anderson | Head | — | 67 | ~1873 |
| Rush Anderson | Son | — | 29 | ~1911 |
| Keith Anderson | Son | — | 25 | ~1915 |
| Nettie Anderson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Madison, Idaho
Daughter, age 4
Madison, Idaho · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Madison, Idaho
Daughter, age 14
Madison, Idaho · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Madison-County, Idaho
Daughter, age 24
Madison-County, Idaho · implied b. ~1916 — 7 household members
| Surname | Anderson |
| Given Name | Clara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Unincorporated place Thornton |
| 1935 Residence (County) | Madison |
| Occupation | Teaching |
| Industry | grammar school |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 300 |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| 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 Clara Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Niel Anderson (~0.92 confidence) and mother Nettie Anderson (~0.92 confidence) and mother Nettie Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Niel Anderson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nettie Anderson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Nettie Anderson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clara Anderson
Daughter · 1940 · age 24 · b. ~1916 · Idaho
★ You are viewing this record
Sibling
Edith Anderson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rush Anderson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Anderson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Anderson
Sibling · 1940 · age 22
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 — Madison-County, Idaho
Open full size
1940 US Federal Census — Madison-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00750-00875)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ross A Gideon | 15 | Son | — | Idaho |
| 42 | Joseph B. Firth | 52 | Head | Farming | Utah |
| 43 | Myrtle Firth | 47 | Wife | — | Utah |
| 44 | William Firth | 20 | Son | Farming | Idaho |
| 45 | Lorenzo T. Firth | 18 | Son | — | Idaho |
| 46 | Ruth G Firth | 13 | Daughter | — | Idaho |
| 47 | Bertha Mae Firth | 10 | Daughter | — | Idaho |
| 48 | Joann Firth | 8 | Daughter | — | Idaho |
| 49 | Ivan M Firth | 4 | Son | — | Idaho |
| 50 | Henry J Kraus | 32 | Head | Farming | Kansas |
| 51 | Yvonne Kraus | 19 | Wife | — | Michigan |
| 52 | Larry D. Kraus | 2 | Son | — | Idaho |
| 53 | Edward Briggs | 43 | Head | Farming | Idaho |
| 54 | Hazel Briggs | 43 | Wife | — | Idaho |
| 55 | La Roy Briggs | 21 | Son | Farming | Idaho |
| 56 | Lennes Briggs | 17 | Son | Farming | Idaho |
| 57 | Dorothy Briggs | 15 | Daughter | — | Idaho |
| 58 | Merlin Briggs | 13 | Son | — | Idaho |
| 59 | Maxine Briggs | 4 | Daughter | — | Idaho |
| 60 | Larry Briggs | 3 | Son | — | Idaho |
| 61 | George Marks | 42 | Head | Tinkering | Colorado |
| 62 | Better Marks | 41 | Wife | — | Colorado |
| 63 | Yanna Marks | 18 | Daughter | — | Oklahoma |
| 64 | Mary Marks | 16 | Daughter | — | Kansas |
| 65 | Kathrine Marks | 14 | Daughter | — | Kansas |
| 66 | Mcgil Marks | 12 | Son | — | Kansas |
| 67 | Frank Marks | 10 | Son | — | Kansas |
| 68 | Neil A. Anderson | 67 | Head | Farming | Utah |
| 69 | Nettie Anderson | 60 | Wife | — | Utah |
| 70 | Rush W. Anderson | 29 | Son | Farming | Idaho |
| 71 | Keith Anderson | 25 | Son | — | Idaho |
| 72 | Clara Anderson THIS PERSON | 24 | Daughter | Teaching | Idaho |
| 73 | Mary Anderson | 22 | Daughter | Teaching | Idaho |
| 74 | Edith Anderson | 18 | Daughter | — | Idaho |
| 75 | W. J Barker | 52 | Head | Farming | Idaho |
| 76 | Sylvia Barker | 45 | Wife | — | Idaho |
| 77 | Mildred S Oram | 36 | Wife | — | Idaho |
| 78 | David V Oram | 32 | Head | Laborer | Idaho |
| 79 | Verla R Oram | 2 | Daughter | — | Idaho |
| 80 | Adeline Clark | 74 | Head | — | Utah |
Related Census Records
Pedigree Summary
Clara + 4 siblings
Gen 1 · 3 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)