WD
William Davidson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Gilliam, Oregon
Our Model Tree links this William Davidson across the 1920 and 1930 US Censuses in Gilliam, Oregon (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 11
b. ~1919
Male
Son
Born: Oregon
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Gilliam, Oregon |
| Surname | Davidson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Olex Precinct |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mabel Davidson | Daughter | — | 5 | ~1925 |
| Mabel Davidson | Head | — | 40 | ~1890 |
| Charles Davidson | Son | — | 15 | ~1915 |
| Andrew Davidson | Son | — | 10 | ~1920 |
| William Davidson | Son | — | 11 | ~1919 |
| Herbert Davidson | Son | — | 13 | ~1917 |
| George Davidson | Son | — | 7 | ~1923 |
| Robert Davidson | Son | — | 14 | ~1916 |
Census Appearances
1920
Gilliam, Oregon
Son, age
Gilliam, Oregon · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Gilliam, Oregon
Son, age 11
Gilliam, Oregon · implied b. ~1919 — 8 household members
| Surname | Davidson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 William Davidson across 2 US Census years (1920 and 1930) in Gilliam, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
William Davidson
Son · 1930 · age 11 · b. ~1919 · Oregon
★ You are viewing this record
Sibling
George Davidson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Davidson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Davidson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Davidson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Davidson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Davidson
Sibling · 1930 · age 15
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 — Gilliam, Oregon
Open full size
1930 US Federal Census — Gilliam, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1941unit:1037)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Benny | 16 | Son | — | Minnesota |
| 52 | Otto | 14 | Son | — | Minnesota |
| 53 | Rosa | 12 | Daughter | — | Idaho |
| 54 | Dorothy | 9 | Daughter | — | Idaho |
| 55 | Vernona | 6 | Daughter | — | Oregon |
| 56 | Ula | 4 | Daughter | — | Oregon |
| 57 | Edwin C Farr | 58 | Head | Farmer | Pennsylvania |
| 58 | John C Farr | 20 | Son | Farm Laborer | Oregon |
| 59 | Elmer Gaskel | 62 | Hired man | Butcher | Ohio |
| 60 | Jack Y Hardie | 59 | Hired man | Farm Laborer | Scotland |
| 61 | May H Hardie | 46 | Housekeeper | Housekeeper | Iowa |
| 62 | Norine J Hardie | 4 | Boarder | — | Oregon |
| 63 | Charles B Marvel | 55 | Head | Farmer | Kansas |
| 64 | Nellie M Marvel | 45 | Wife | — | Oregon |
| 65 | Charles F Marvel | 17 | Son | — | Canada Eng |
| 66 | Nedra Marvel | 15 | Daughter | — | Oregon |
| 67 | Thelma Marvel | 13 | Daughter | — | Oregon |
| 68 | Lenna Marvel | 11 | Daughter | — | Oregon |
| 69 | Loren Marvel | 8 | Son | — | Oregon |
| 70 | Gale Marvel | 4 | Son | — | Oregon |
| 71 | Earl J Drake | 43 | Head | Farmer | Missouri |
| 72 | Florence M Drake | 35 | Wife | — | Missouri |
| 73 | Earl A Drake | 13 | Son | — | Oregon |
| 74 | Mary C Conner | 73 | Head | Farmer | Pennsylvania |
| 75 | Charles O Conner | 48 | Son | Farmer | Kansas |
| 76 | Clarence O Hanson | 34 | Head | Farmer | Missouri |
| 77 | Martina H Hanson | 30 | Wife | — | Oregon |
| 78 | C Vernon Hanson | 8 | Son | — | Oregon |
| 79 | Leslie A Hanson | 5 | Daughter | — | Oregon |
| 80 | Dorothy E Hanson | 3 | Daughter | — | Oregon |
| 81 | Holbrook W King | 28 | Hired man | Farm Laborer | Oregon |
| 82 | Joseph H Springer | 62 | Head | Farmer | Illinois |
| 83 | Guy E Ball | 33 | Head | Farmer | Oregon |
| 84 | Leda M Ball | 32 | Wife | — | Oregon |
| 85 | Sybil Ball | 11 | Daughter | — | Oregon |
| 86 | Buddy Ball | 5 | Son | — | Oregon |
| 87 | Albert Ball | 3 | Son | — | Oregon |
| 88 | Wilbur R Akers | 20 | Hired man | Farm Laborer | Oregon |
| 89 | Mabel Davidson | 40 | Head | Farmer | California |
| 90 | Charles Davidson | 15 | Son | — | California |
| 91 | Robert Davidson | 14 | Son | — | California |
| 92 | Herbert Davidson | 13 | Son | — | California |
| 93 | William Davidson THIS PERSON | 11 | Son | — | Oregon |
| 94 | Andrew Davidson | 10 | Son | — | Oregon |
| 95 | George L Davidson | 7 | Son | — | Oregon |
| 96 | Mabel L Davidson | 5 | Daughter | — | Oregon |
| 97 | Edwin D Engelmann | 21 | Head | Farmer | Oregon |
| 98 | Veda H Engelmann | 20 | Wife | — | Oregon |
| 99 | Hedy D Engelmann | 1 | Son | — | Oregon |
| 100 | Linden L Jones | 18 | Hired man | Farm Laborer | Oregon |
Related Census Records
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)