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Helen Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Walla Walla, Washington
Our Model Tree links this Helen Davis across the 1910, 1920 and 1930 US Censuses in Walla Walla, Washington (XGBoost, ~Confirmed), with identified parents John & W — first a daughter (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Female
Daughter
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Walla Walla, Washington |
| Surname | Davis |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Bookkeeper |
| Township / Ward | Waitsburg 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Eva Davis | Daughter | — | 17 | ~1913 |
| Helen Davis | Daughter | — | 20 | ~1910 |
| W Davis | Head | — | 52 | ~1878 |
| Dora Davis | Other | — | 42 | ~1888 |
| J Davis | Son | — | 9 | ~1921 |
Census Appearances
1910
Walla Walla, …
Other, age 1
Walla Walla, Washington · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen E. |
| Relationship to Head | Grandchild |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Walla Walla, …
Daughter, age 10
Walla Walla, Washington · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Helen E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Walla Walla, …
Daughter, age 20
Walla Walla, Washington · implied b. ~1910 — 5 household members
| Surname | Davis |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Illinois |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Helen Davis across 3 US Census years (1910, 1920 and 1930) in Walla Walla, Washington, using XGBoost record linkage. Identified parents: father John Davis (~0.92 confidence) and father W Davis (~0.92 confidence) and mother Dora Davis (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Davis
b. ~1872
Source father
● Household
· direct · ~0.92
Father
W Davis
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Dora Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Davis
Daughter · 1930 · age 20 · b. ~1910 · Washington
★ You are viewing this record
Sibling
Eva Davis
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Davis
Sibling · 1930 · age 9
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 — Walla Walla, Washington
Open full size
1930 US Federal Census — Walla Walla, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2523unit:0469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray E. Jeremiah | 28 | Head | Farmer | Washington |
| 2 | Lillian R. Jeremiah | 28 | Wife-H | — | Washington |
| 3 | Raymond L. Jeremiah | 5 | Son | — | Washington |
| 4 | Velha J. Jeremiah | 2 | Daughter | — | Washington |
| 5 | Donna J. Jeremiah | 1 | Daughter | — | Washington |
| 6 | Henry M. Conover | 41 | Head | Salesman | Washington |
| 7 | I May Conover | 40 | Wife-H | — | Washington |
| 8 | Mary Frances Conover | 6 | Daughter | — | Washington |
| 9 | Hollis R. Conover | 4 | Son | — | Washington |
| 10 | W. John Davis | 52 | Head | Caretaker | Texas |
| 11 | Dora E. Davis | 42 | Wife-H | — | Illinois |
| 12 | Helen E. Davis THIS PERSON | 20 | Daughter | Bookkeeper | Washington |
| 13 | Eva M. Davis | 17 | Daughter | — | Washington |
| 14 | J. Donald Davis | 9 | Son | — | Washington |
| 15 | Stewart Milligan | 52 | Head | Carpenter | Illinois |
| 16 | John Milligan | 22 | Son | Chemist | Washington |
| 17 | Gladys Milligan | 22 | Daughter-L | Teacher | Washington |
| 18 | Lester Milligan | 19 | Son | Salesman | Washington |
| 19 | Roscoe H. Flanders | 58 | Head | Painter | Michigan |
| 20 | Retta A. Flanders | 50 | Wife-H | — | Wisconsin |
| 21 | Lenore C. Flanders | 22 | Daughter | — | Washington |
| 22 | Kathleen L. Flanders | 19 | Daughter | — | Washington |
| 23 | Boyd W. Flanders | 26 | Son | Pruning | Washington |
| 24 | May Flanders | 23 | Daughter-in-law | — | Oregon |
| 25 | Wanda Lee Flanders | 0 | Granddaughter | — | Washington |
| 26 | Byron C. Flanders | 24 | Son | Mining | Oregon |
| 27 | Parker Bishop | 47 | Cousin | Carpenter | Wisconsin |
| 28 | Theodore A. Monroe | 26 | Head | Labourer | Oregon |
| 29 | G. Dorothy Monroe | 21 | Wife-H | — | Washington |
| 30 | Emma D. Doughery | 40 | Head-H | — | Washington |
| 31 | Fred R. Doughery | 17 | Son | Farmer | Washington |
| 32 | June E. Doughery | 19 | Daughter | — | Washington |
| 33 | Fred Monroe | 55 | Head | Painter | Oregon |
| 34 | Mary C. Monroe | 79 | Wife-H | — | Missouri |
| 35 | Frank Monroe | 57 | Head-H | Painter | California |
| 36 | Frank Callahan | 66 | Head | Agent | Illinois |
| 37 | Alice C. Callahan | 64 | Wife-H | — | Illinois |
| 38 | Ethel M. Cutting | 43 | Head-H | — | Michigan |
| 39 | Margaret L. Cutting | 18 | Daughter | — | Washington |
| 40 | George L. Cutting | 16 | Son | — | Washington |
| 41 | Parnell Hayes | 47 | Head | Merchant | Washington |
| 42 | Mary G. Hayes | 47 | Wife-H | — | Washington |
| 43 | James M. Chew | 79 | Head | Labourer | Indiana |
| 44 | Ellen R. Chew | 71 | Wife-H | — | Ohio |
| 45 | Fred H. Carver | 52 | Head | Physician | Missouri |
| 46 | Maude Carver | 52 | Wife-H | Agent | Missouri |
| 47 | Fred B. Carver | 24 | Son | Salesman | Missouri |
| 48 | Tucker J. Carver | 21 | Son | Salesman | Missouri |
| 49 | Silas A. Hilson | 71 | Head | Labourer | Illinois |
| 50 | Alice Hilson | 68 | Wife-H | — | Illinois |
Pedigree Summary
Helen + 2 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 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)