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Viola Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Union, Iowa
Our Model Tree links this Viola Davis across the 1910, 1920 and 1930 US Censuses in Union, Iowa (XGBoost, ~Confirmed), with identified parents Charley & Clem — first a daughter (b.~1910), then head of a 6-person household.
Age 20
b. ~1910
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, Iowa |
| Surname | Davis |
| Given Name | Viola M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Tests Cream |
| Industry | Creamery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Tests Cream |
| Township / Ward | Creston City |
| Est. Birth Year | ~1910 |
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 1930 census.
| Name | Relation to head | Relative to Viola | Age | Birth yr |
|---|---|---|---|---|
| Harold Davis | Son | — | 23 | ~1907 |
| Clem Davis | Head | — | 49 | ~1881 |
| Edith Davis | Daughter | — | 12 | ~1918 |
| Lester Davis | Son | — | 18 | ~1912 |
| Carrie Davis | Other | — | 42 | ~1888 |
| Viola Davis | Daughter | — | 20 | ~1910 |
Census Appearances
1910
Adair, Iowa
Daughter, age 1
Adair, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Violet P |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Union, Iowa
Daughter, age 10
Union, Iowa · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Viola |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Union, Iowa
Daughter, age 20
Union, Iowa · implied b. ~1910 — 6 household members
| Surname | Davis |
| Given Name | Viola M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Tests Cream |
| Industry | Creamery |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Davis across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Charley Davis (~0.92 confidence) and father Clem Davis (~0.92 confidence) and father John Davis (~0.92 confidence) and mother Bertha Davis (~0.92 confidence) and mother Carrie Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charley Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Clem Davis
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Davis
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bertha Davis
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Carrie Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Viola Davis
Daughter · 1930 · age 20 · b. ~1910 · Iowa
★ You are viewing this record
Sibling
Lester Davis
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Davis
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Davis
Sibling · 1930 · age 12
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
1930 US Federal Census — Union, Iowa
Open full size
1930 US Federal Census — Union, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel684:0188)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Brita E Faust | 11 | Daughter | — | Sweden |
| 2 | Stuart A Faust | 8 | Son | — | Sweden |
| 3 | Elvira A Faust | 6 | Son | — | Sweden |
| 4 | Wilmer R. Pitt | 29 | Head | Car Inspector | Iowa |
| 5 | Leberta M. Pitt | 22 | Wife-H | — | Iowa |
| 6 | Lois J. Pitt | 5 | Daughter | — | Iowa |
| 7 | Charley A. Pitt | 2 | Daughter | — | Iowa |
| 8 | Cecil M. Roberts | 44 | Head | Conductor | Canada-English |
| 9 | Martina M. Roberts | 38 | Wife-H | — | Denmark |
| 10 | Boneda M. Roberts | 14 | Daughter | — | Iowa |
| 11 | Dalmar R. Roberts | 7 | Daughter | — | Iowa |
| 12 | Edna I. Roberts | 5 | Daughter | — | Iowa |
| 13 | Curtis J. Roberts | 74 | Head | — | Canada-English |
| 14 | Helen T. Roberts | 70 | Wife-H | — | Canada-English |
| 15 | Charles L. Roberts | 48 | Son | — | Canada-English |
| 16 | Elmer E. Laughlin | 39 | Head | Mechanic | Missouri |
| 17 | Jessie C. Laughlin | 37 | Wife-H | — | Iowa |
| 18 | Gerald W. Laughlin | 15 | Son | Apprentice | Iowa |
| 19 | Virginia A. Laughlin | 13 | Daughter | — | Iowa |
| 20 | Mary R. Laughlin | 3 | Daughter | — | Iowa |
| 21 | Bert J. Holmes | 80 | Head | — | Iowa |
| 22 | Olive M. Holmes | 75 | Wife-H | — | Iowa |
| 23 | Elizabeth Probasco | 65 | Head-H | — | New York |
| 24 | Fred Probasco | 25 | Son | Baker | Iowa |
| 25 | Lizzie M. Bond | 69 | Head-H | — | Illinois |
| 26 | Clifford H. Pangborn | 31 | Head | Game Warden | Iowa |
| 27 | Ann M. Pangborn | 26 | Wife-H | — | Iowa |
| 28 | Clifford L. Pangborn | 7 | Son | — | Iowa |
| 29 | Kenneth C. Pangborn | 5 | Son | — | Iowa |
| 30 | Florence G. Pangborn | 3 | Daughter | — | Iowa |
| 31 | Harry J. Colton | 32 | Head | Boiler Maker | Iowa |
| 32 | Edith E. Colton | 35 | Wife-H | — | Iowa |
| 33 | Twila M. Colton | 11 | Daughter | — | Iowa |
| 34 | Lester D. Colton | 9 | Son | — | Iowa |
| 35 | Audrey L. Colton | 5 | Son | — | Iowa |
| 36 | Shirley D. Colton | 2 | Daughter | — | Iowa |
| 37 | Charles Quinton | 53 | Head | Laborer | Iowa |
| 38 | Ida M. Quinton | 62 | Wife-H | — | Illinois |
| 39 | Clem D. Davis | 49 | Head | Janitor | Iowa |
| 40 | Carrie B. Davis | 42 | Wife-H | — | Iowa |
| 41 | Harold L. Davis | 23 | Son | Laborer | Iowa |
| 42 | Viola M. Davis THIS PERSON | 20 | Daughter | Tests Cream | Iowa |
| 43 | Lester H. Davis | 18 | Son | Newsboy | Iowa |
| 44 | Edith S. Davis | 12 | Daughter | — | Iowa |
| 45 | Ross L. Mulwee | 42 | Head | Machinist | Tennessee |
| 46 | Nellie J. Mulwee | 47 | Wife-H | — | Missouri |
| 47 | James H. Mulwee | 19 | Son | Laborer | Missouri |
| 48 | Virgil L. Mulwee | 19 | Son | — | Missouri |
| 49 | Babe Mulwee | 15 | Son | — | Missouri |
| 50 | Opal Mulwee | 12 | Daughter | — | Missouri |
Pedigree Summary
Viola + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)