VA
Viola Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Viola Anderson across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Anderson |
| Given Name | Viola E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Hours Worked | 46 |
| Income (1939) | 325 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Mason City |
| Est. Birth Year | ~1919 |
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 Viola | Age | Birth yr |
|---|---|---|---|---|
| Robert Anderson | Son | — | 19 | ~1921 |
| Lena Anderson | Spouse | — | 48 | ~1892 |
| Viola Anderson | Daughter | — | 21 | ~1919 |
| James Anderson | Head | — | 60 | ~1880 |
| Robert Sturgeon | Other | — | 56 | ~1884 |
| Ross Anderson | Son | — | 19 | ~1921 |
| Duane Cahalan | Other | — | 8 | ~1932 |
Census Appearances
1920
Cerro Gordo, …
Daughter, age 1
Cerro Gordo, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Nebraska |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cerro Gordo, …
Daughter, age 11
Cerro Gordo, Iowa · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Viola |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Daughter, age 21
Cerro-Gordo-County, Iowa · implied b. ~1919 — 7 household members
| Surname | Anderson |
| Given Name | Viola E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Hours Worked | 46 |
| Income (1939) | 325 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Viola Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence) and mother Lena Anderson (~0.92 confidence) and mother Nora Anderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Anderson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
James Anderson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lena Anderson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Nora Anderson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Viola Anderson
Daughter · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Robert Anderson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ross Anderson
Sibling · 1940 · age 19
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 — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chris Bekretges | 9 | Son | — | Iowa |
| 2 | James L. Anderson | 60 | Head | Trucker Shuffling | Denmark |
| 3 | Lena Anderson | 48 | Wife | — | Nebraska |
| 4 | Viola E. Anderson THIS PERSON | 21 | Daughter | — | Iowa |
| 5 | Robert A. Anderson | 19 | Son | — | Iowa |
| 6 | Ross Edw. Anderson | 19 | Son | — | Iowa |
| 7 | Duane A. Cahalan | 8 | Grandson | — | Iowa |
| 8 | Robert Sturgeon | 56 | Boarder | — | Iowa |
| 9 | Leon M. Frost | 32 | Head | Service Station Att. | Iowa |
| 10 | Macy Frost | 26 | Wife | Housekeeper | Kansas |
| 11 | Darlene Frost | 4 | Daughter | — | Kansas |
| 12 | Harold R. Mason | 29 | Boarder | Service Station Att. | Iowa |
| 13 | Neil H. Van Horsen | 36 | Head | Hotel Clerk | Iowa |
| 14 | Loretta A. Van Horsen | 33 | Wife | — | Iowa |
| 15 | Johanne Van Horsen | 9 | Daughter | — | Iowa |
| 16 | Peggy J. Van Horsen | 8 | Daughter | — | Iowa |
| 17 | Peter H. Van Horsen | 4 | Son | — | Iowa |
| 18 | Charles B. Snyder | 43 | Head | Workman Mill | Missouri |
| 19 | Helen S. Snyder | 48 | Wife | Ironer-Finisher | Iowa |
| 20 | Alton L. Snyder | 25 | Son | Turtle Catcher | Iowa |
| 21 | Virginia L. Snyder | 19 | Daughter | Sales Lady | Missouri |
| 22 | Virginia M. Abernathy | 23 | Boarder | Waitress | Missouri |
| 23 | John F. Ray | 60 | Head | Repairman | Missouri |
| 24 | Effie M. Ray | 55 | Wife | — | Missouri |
| 25 | Opal L. Ray | 45 | Boarder | Carpenter | Missouri |
| 26 | Helen R. Ray | 18 | Niece | — | Iowa |
| 27 | June E. Adlack | 62 | Head | Watchman | Iowa |
| 28 | Mary Adlack | 55 | Wife | — | Iowa |
| 29 | Fred H. Tischner | 50 | Head | Operator Mill Dept | Minnesota |
| 30 | Leada M. Tischner | 45 | Wife | — | Minnesota |
| 31 | Marcel Jos. Tischner | 22 | Son | Workman Lab. Dept | Iowa |
| 32 | Charles Farnsworth | 74 | Head | Janitor | England |
| 33 | Helen Farnsworth | 74 | Wife | — | England |
| 34 | Carl H. Schultz | 32 | Head | Foreman Raw Material | Iowa |
| 35 | Anna O. Schultz | 22 | Wife | — | Iowa |
| 36 | Shirley A. Schultz | 4 | Daughter | — | Iowa |
| 37 | Joyce L. Schultz | 2 | Daughter | — | Iowa |
| 38 | Irene D. Curtis | 24 | Head | Clerk | Kansas |
| 39 | Irene M. Curtis | 24 | Wife | — | Iowa |
| 40 | Jacqueline Curtis | 6 | Daughter | — | Iowa |
Pedigree Summary
Viola + 2 siblings
Gen 1 · 4 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)